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ACANTHOLIMON - (Plumbaginaceae) Acantholimons, or prickly thrifts, form dense cushions of spiny sharp-tipped leaves and attractive bloom stalks with lovely pink or white flowers followed by attractive everlasting bracts. All are very heat and drought tolerant once established.
A. litwinowii - Tight spiny cushions of silver-gray under stalks of pale pink flowers. Does not get as large as some of the other species. 4”(6”) x 6” Sun $code A* A. venustum - Very attractive spiny silver-gray cushions and short spikes of large, dark pink flowers with unusual yellow-brown calyx. Outstanding!   6”(10”) x 12” Sun $code A* (Photo)

AETHIONEMA – (Brassicaceae) A very useful group of Mediterranean plants particularly well suited for sunny walls and crevices. Most have glaucous foliage and racemes of pink flowers.
A. capitatum - Compact mounds of greenish-blue leaves that resemble a dwarf conifer until smothered in spring with stems of light pink flowers. 2”(5”) x 6” Sun $code A (Photo)

AETHEOPAPPUS caucasicus - (Asteraceae) An Asian gem, forming attractive mounds of gray, lobed foliage beneath heads of lavender-rose centaurea-like flowers. 10” x 12” Sun $code A* (Photo)
                                                                                                                                                                                                                                                                       AGASTACHE - (Lamiaceae) Wild hyssops with tall spikes of mint family flowers, blooming from late summer until frost. All have intensely scented foliage and blooms, attractive to hummingbirds and butterflies.
A. cana - Sweet bubblegum scented foliage and dark pink flowers, a popular favorite. 30" x 12" Sun, Xeric to moderate water $code A (Photo)
A. cana SONORAN SUNSET® - A compact, large-flowered selection, that has proven to be a superior clone, blooming earlier and longer, with much showier lavender-rose flowers than the species. A Plant Select® Introduction for 2002. 10”(15”) x 12”  Sun, Part Shade $code A* (Photo)
A. rupestris SUNSET® - Vibrant pink-orange tubular flowers and linear leaves that smell like root beer. Blooms even after several frosts. A Plant Select® Introduction for 1997. 30" x 12” Sun, Xeric to moderate water $code A (Photo)

ALLIUM senescens glaucum - (Amaryllidaceae) A very nice dwarf form with swirling silver-gray foliage and short stems of light pink flowers. 2”(5”) x 5” Sun, Part Shade $code A*

ALOINOPSIS - (Aizoaceae) An outstanding group of succulent plants from South Africa. All form caespitose clumps of thick succulent leaves and produce spectacular floral displays from yellow to various shades of red and magenta. The rosettes of leaves sit atop a large carrot-like root that must be protected from excessive moisture. This can often be accomplished by planting in rock crevices or walls.
A. spathulata - A gem from the rich alpine flora of South Africa! Dense mounds of spathulate, succulent blue-green leaves covered in spring with large magenta flowers. As with all ‘ice plants’, provide good drainage and decrease watering in fall to induce dormancy for winter. 2” x 4” Sun, Xeric $code A* (Photo)
Aloinopsis x ’High Noon’ - A generic hybrid between Aloinopsis and Nananthus has smaller, more compact foliage and has proven to be more reliably winter hardy. This selected clone has magnificent light yellow flowers with an electric blue-pink wash at the end of each petal. 2” x 4” Sun, Xeric $code A* (Photo)
Aloinopsis x ‘Morning Sky’ - Another selection of the previous cross except this time the flowers open yellow and then age to dark orange with a blue-pink wash at the tip of each petal. 2” x 4” Sun, Xeric $code A* (Photo)
Aloinopsis x ‘Last Light’ - Yet another selection of Aloinopsis x Nananthus with flowers that are orange with an electric blue-pink wash in the center of the flower and at the tip of each petal. 2” x 4” Sun, Xeric $code A* (Photo)
Aloinopsis x ‘Opera Mauve’ - This selection sports attractive opera mauve (yes this is a real color) flowers that do not change color as they age. A very good performer! 2” x 4” Sun $code A* (Photo)
Aloinopsis x ’Sunscapes Pink’ - A selection with glowing, deep pink flowers. 2” x 4” Sun $code A* (Photo)
Aloinopsis x ’Yellow Eye’ - NEW Shades of electric blue and orange with a light yellow center. 2” x 4” Sun, Xeric $code A* (Photo)

AMSONIA jonesii - (Apocynaceae) NEW A very showy and durable plant with numerous upright stems of lanceolate, soft green leaves with heads of long-tubed sky-blue flowers in spring. Drought tolerant. Duchesne Co., UT 24” x 15” Sun, Xeric $code A (Photo)

ANACYCLUS depressus - (Asteraceae) A very nice mat-forming daisy with attractive feathery silver-gray foliage and cute white flowers with red undersides. Easy to grow and drought tolerant. Morocco 1”(2”) x 6” Sun $code A (Photo)

ANDRYALA agardhii - (Asteraceae) Ornamental silver rosettes and yellow flowers make an outstanding addition to a well drained rock garden. An outstanding foliage plant. Spain 3”(5”) x 6” Sun $code A (Photo)

ANTENNARIA hilbersonii - (Asteraceae) An exciting Asian species that looks much like one of the choice compact Helichrysums with tight, silver tomentose foliage and pussy-toe flowers on short stems. Should prove to be an excellent trough subject. .5”(1”) x 6” Sun $code A* (Photo)

ARCTOTIS adpressa - (Asteraceae) A wonderful new addition from the high mountains of South Africa! Rosettes of succulent, iridescent silver foliage are adorned in early spring with 3” white daisies with peach and maroon reverses. This gem thrives in ordinary garden conditions and forms spectacular 12” to 15” mats. A beautiful foliage plant when not in flower. Very hardy! 2”(5”) x 12” Sun, Not too hot and dry $code A* (Photo)

ARENARIA - (Caryophyllaceae) Often referred to as ’sandworts’, this Genus contains numerous dwarf, drought tolerant species that form attractive buns or mats of spiny congested foliage. Most are small and are best suited to troughs or small rock gardens.
A. hookeri v. desertorum - Forms extremely tight low buns of very small green needle foliage. The buns are covered with short stems of small white flowers in early summer. Well suited for trough culture. 1”(2") x 4” Sun, Trough $code A* (Photo)

ASTER - (Asteraceae) A large group of mostly perennial herbs and shrubs native to North and South America, Europe, Asia and Africa. Most are easily grown, with large species very useful in the perennial border and small more delicate species better suited to the small native or rock garden.
A. sericeus - RENEW An intriguing species from the SE USA. In spring, the root crown produces attractive clumps of silky olive-green oblanceolate leaves that in late summer produce tall, thin flowering stalks carrying many attractive deep violet to rose-purple flowers. Performs well in dry garden settings. 8”(18”) x 8” Sun $code A

ASTRAGALUS - (Fabaceae) The milkvetch genus has some of the showiest flowers in the pea family, combined with attractive foliage cushions and interesting seed pods. Most are very tough and can withstand poor soil, full sun and xeric conditions.A. chloodes - This unique Utah native has the longest, narrowest leaves in the genus. The clumps resemble very stiff, silvery-green grass with several loose racemes of magenta flowers produced in late spring. 6” x 6” Sun, Xeric $code A*
A. amphioxus v. vespertinus - NEW Attractive pads of silvery pinnate foliage beneath several stems of large pink-purple flowers. Mesa Co., CO 1”(3”) x 4” Sun, Xeric $code A*
A. angustifolius - An outstanding species that forms impressive compact mounds of silver-gray pinnate foliage covered with white flowers in late spring. Romania 6” x 12” Sun, Xeric $code A* (Photo)
A. calycosus v. calycosus - NEW Dense cushions of silvery blue pinnate foliage and nice racemes of lavender-pink and white flowers. White Mtns., Mono Co., CA 1”(2”) x 3” Sun, Alpine $code A*
A. chloodes - This unique Utah native has the longest, narrowest leaves in the genus. The clumps resemble very stiff, silvery-green grass with several loose racemes of magenta flowers produced in late spring. 6” x 6” Sun, Xeric $code A* (Photo)
A. detritalis - One of the best! Attractive tufts of linear silver leaves topped with racemes of bright magenta flowers. A native from the prairies and foothills of western Utah. 4”(6”) x 4” Sun, Xeric $code A (Photo)
A. megacarpus - Erect dark-green pinnate foliage with small pink flowers that seem to develop overnight into giant red-mottled seed pods (up to 4”). One of the most interesting Astragali. 4” x 6” Sun,Xeric $code A* (Photo)
A. mollissimus v. thompsonii - Very attractive clumps of long silver pinnate foliage and short stalks of purple flowers. The flowers are followed by white fuzzy seed pods. San Juan Co., UT   3”(7”) x 9” Sun, Xeric $code A (Photo)
A. species ‘San Felipe’ - A gorgeous species found growing near the San Felipe Indian Pueblo south of Santa Fe, NM. The large pads of attractive silver foliage are covered with large dark pink flowers in early spring. Outstanding! 3” x 10” Sun, Xeric $code A (Photo)
A. utahensis - A very attractive species with light-gray pubescent leaves and large luminescent pink flowers. 2” x 6” Sun, Xeric $code A* (Photo)

AUBRETIA gracilis - (Cruciferae) An excellent species that is both compact and free-flowering. In spring the mat is covered with blue-purple flowers and the foliage remains as an attractive foliage specimen after flowering. Choice! Greece, Albania 4” x 18” Sun, Part Shade $code A* (Photo)

BERGERANTHUS - (Aizoaceae) A small genus of succulent plants native to South Africa. A number of the species grow at high elevation and have proven to be quite cold hardy.
B. albomarginatus - Rosettes of medium green foliage curved inward toward the tip. Yellow flowers opening in the late afternoon. 2" x 5" Sun, Xeric        $code A
B. artus - Medium green foliage and nice scented yellow flowers opening in the evening. 2" x 5" Sun, Xeric $code A
B. jamesii - A very hardy South African succulent with attractive dark green clumps of three-sided leaves and large yellow flowers with many narrow petals.
2” x 5” Sun, Xeric $code A (Photo)

BUKINICZIA cabulica - (Plumbaginaceae) Blue-green rosettes with unusual mottled leaves. Outstanding foliage plant with pink flowers the second year. Reseeds nicely. 1"(6") x 6" Sun, Biennial $code A (Photo)

CALANDRINIA - (Portulacaceae) A large genus of annual and perennial herbs mostly native to western North and South America. The stems and/or foliage are succulent and the very brightly colored short-lived flowers are produce in continuing succession over the flowering season.
C. umbellata - From Peru, stunning neon-magenta flowers on linear, slightly hairy foliage. 3"(6") x 6" Sun $code A

CALYLOPHUS serrulatus - (Onagraceae) From the Evening Primrose family, this day bloomer forms dense tufts of gray-green foliage on a miniature shrublet with yellow tubular flowers all summer. 6" x 8" Sun, Xeric $code A (Photo)

CAMPANULA - (Campanulaceae) The bellflowers are numerous and varied, providing species for a variety of settings and exposures. Some of the species are particularly useful as wall plants and will flourish in the tiniest crevice. They are generally easy to cultivate and will provide good color throughout the growing season.
C. bournmuelleri - NEW Small mounds of light green, serrated foliage and nice purple-blue flowers. Turkey 2”(4”) x 4” Sun, Part Shade $code A
C. choruhensis - An outstanding dwarf Turkish Campanula, forming small clumps of green topped in summer with pink-tinged flower buds that open into huge white starfish flowers. Outstanding! 2”(3”) x 4” Sun $code A* (Photo)
C. incurva - RENEW A spectacular monocarp from northern Greece forming large mounds of pubescent gray-green serrated leaves and large upward-facing white to light purple bells. Wants good drainage and does well in rock crevices. 3” (8’) x 8” Sun, Part Shade $code A
C. topaliana - A ground hugging mat of pubescent gray-green leaves studded with light blue flowers from early summer to frost. Makes a spectacular wall plant with stems clasping the rocks like a giant spider. 2” x 8” Sun, Crevice/Wall $code A (Photo)
C. trogerae - One of the best! Nice clumps of gray-green leaves and beautiful 2-3” white flowers with exerted pistils. Turkey 3”(4”) x 6” Sun, Part Shade $code A* (Photo)

CASTILLEJA - (Scrophulariaceae) A large group of perennial herbs found mostly in North and South America. Most species seem to form a parasitic relationship with other plants and, therefore, they should be planted with other natives. Native grasses and Penstemons have proven successful.
C. sessiliflora - Olive-green foliage with spikes of attractive tricolor flowers of pink, cream and green. This dry prairie ‘Paint Brush’ does well in pot culture and seems to be less dependent on host plants. Unusual. 5"(8") x 8" Sun, Xeric, Trough $code A* (Photo)

CERCOCARPUS - (Rosaceae) The ‘Mountain Mahoganies’ are evergreen shrubs that grow throughout the Rocky Mountain West, often found on open, rocky slopes. In summer, insignificant flowers appear, followed by feathery tailed seeds. Very hardy and useful structure plants for the garden.
C. intricatus - Dense erect evergreen shrub with small dark-green linear leaves and contrasting gray stems. Makes a very striking vertical structure element in the xeric garden. A Plant Select® Recommendation for 2009. 8’ x 4’ Sun, Xeric $code A (Photo)

COLUTEOCARPUS vesicaria - (Brassicaceae) Similar to the American genus Physaria, this Turkish native forms cushions of rosettes of linear dentate leaves that produce spikes of pale violet to white flowers in very early spring. The flowers are followed by spectacular 1” globose, inflated, papery seed pods which persist for an extended period of time. 2”(4”) x 6” Sun $code A (Photo)

CONVOLVULUS - (Convolvulaceae) An interesting genus, containing some of the most coveted as well as some of the most hated plants (bindweed) in the garden. Fortunately, we offer only the former - tight mats of non-invasive foliage and attractive flowers.
C. assyricus - Tight mats of gray-green pubescent foliage and sessile light pink flowers. Outstanding! Turkey 2” x 8” Sun, Xeric $code A* (Photo)
C. compactus - Congested mats of shimmering silver foliage and sessile white flowers. Superb! Turkey 2” x 8” Sun $code A* (Photo)

DAPHNE - (Thymelaceae) A genus of evergreen flowering shrubs that contains some of the most desirable plants for the rock garden. They are notoriously difficult to produce and do not thrive in pots. Small plants transplant more reliably, so purchasing more expensive large plants is usually a mistake. Always plant in well drained soil in full or part shade. Once established, they are quite drought tolerant so do not over water. All of our plants have been grown using the biological fungicide Rootshield to help protect the roots from fungal attack.
D. cneorum f. verlotii x arbuscula - One of the most reliable dwarf cultivars forming dense mounds of dark green foliage and deep pink-purple flowers produced in spring and again in fall. A real winner! 6” x 12” Sun, Part Shade $code A** (Photo)
D. juliae - NEW A fantastic species forming mounds of numerous thin stems of dark green foliage and covered in spring with strongly scented, bright pink flowers. Russia 6” x 12” Sun, Part Shade $code A** (Photo)
D. sericea v. compacta - This outstanding compact selection of the species forms dense mounds of dark evergreen foliage covered with fragrant lavender-pink flowers in spring or early summer. Turkey 12” x 15” Sun, Part Shade $code A** (Photo)
D. x ’Lawrence Crocker’ - One of the best and easiest of the small hybrids. A cross between D. arbuscula and D. collina forming a dense mound of evergreen foliage covered in spring with fragrant lavender-pink flowers. Sporadic flowering continues throughout summer into fall. 8” x 12” Sun, Part Shade $code A** (Photo)

DELOSPERMA - (Aizoaceae) A large genus of succulent plants native to South Africa. Most are not winter-hardy but there are high altitude species that will thrive in cold climates. A number of these species have been introduced into cultivation by our good friend Panayoti Kelaidis. They all have beautiful flowers and interesting, succulent foliage.
D. ashtonii 'Blut' - NEW A superb new ice plant originally discovered by Nurseryman Kelly Grummons, owner of Timberline Nursery in Arvada, CO. The mat of deep green evergreen foliage is covered with magenta-red flowers in spring and sporadically throughout the season. 2" x 36" Sun $code A (Photo)
D. basuticum 'Gold Nugget' - Previously listed as D. congestum, this plant forms tight mats of light green leaves covered with sessile yellow flowers in spring. Good trough plant and one of the hardiest.. 1” x 4” Sun, Alpine $code A (Photo)
D. basuticum 'White Nugget' - NEW Tight mats of light green leaves covered with sessile white flowers in early spring. Very hardy. 1" x 4" Sun, Alpine $code A (Photo)
D. ‘Beaufort West’ - Another outstanding addition to the ever growing list of winter hardy ice plants! Collected in the Great Karoo of South Africa near the town of Beaufort West, this little gem produces tight mounds of dark green succulent foliage adorned in spring and summer with sessile, bright pink flowers. Super! 1.5” x 5” Sun $code A (Photo)
D. sp. ‘Carlile Pink’ - A cute little species with light green succulent foliage and delicate light pink flowers with dark pink centers. This plant appeared in the garden and it’s origin is unknown. Very hardy. 1” x 5” Sun $code A* (Photo)
D. cooperi ‘Select Dwarf’ - A smaller version of the common D. cooperi but this one seems to be one zone hardier. A beautiful plant which you can now enjoy in a smaller garden. 1”(2”) x 8” Sun $code A (Photo)
D. dyeri RED MOUNTAIN™ - A new hardy iceplant from the mountains of South Africa. The congested mats of dark green foliage are studded with spectacular dark orange flowers from spring to fall. More drought and heat tolerant than many of the alpine iceplants. A Plant Select® Introduction for 2007.     1” x 8” Sun $code A* (Photo)
D. LAVENDER ICE™ - We are proud to offer this exciting new ice plant selection that was discovered by our good friends at Perennial Favorites Nursery. Similar in foliage and habit to Table Mountain® but with stunning lavender flowers. To date it has demonstrated excellent cold and drought tolerance. A real winner! A Plant Select® Introduction for 2009. 2” x 36” Sun $code A* (Photo)
D. sp. ‘Lesotho Pink’ - An exciting new introduction first offered by High Country Gardens. Forms very compact mats of dark green evergreen foliage covered from early to mid spring with large, deep pink flowers. Excellent cold hardiness. Lesotho 1” x 18” Sun, Part Shade $code A* (Photo)
D. MESA VERDE® - This iridescent, salmon-pink-flowered sport appeared among plants of a dwarf, alpine form of Delosperma cooperi at Denver Botanic Gardens in 1997. It is vigorous, compact and floriferous. Perennial. A Plant Select®Introduction for 2002. 2” x 12” Sun, Part Shade $code A* (Photo)
D. TABLE MOUNTAIN® - This ice plant is destined to become one of the greats! An outstanding ground cover with dark green wedge-shaped leaves that are covered throughout the growing season with lustrous, fuchsia flowers. Hardier than D. cooperi, the leaves remain turgid and green, often tinged with purple, throughout the winter. Don’t be without this one! A Plant Select® Introduction for 2002. 2” x 36” Sun $code A* (Photo)
D. sphalmanthoides - Small mats of congested blue green cylindrical leaves covered in spring with sessile fuchsia flowers that seem to glow. 1" x 4" Sun
$code A (Photo)
D. sutherlandii - NEW An outstanding species with succulent dark green foliage and large magenta flowers. Natal, Transvaal, South Africa 3” x 4” Sun $code A (Photo)

DIANTHUS - (Caryophyllaceae) An indispensable group of plants that are easily grown and provide outstanding color and texture in the garden. There are all sizes and shapes but we are particularly fond of the smaller bun-forming species that fit well into the smaller rock garden or trough. No garden should be without them!
D. alpinus - One of the best , forming tidy mats of shiny green foliage and covered in late spring with large flowers in shades of pink and red. E. Alps   2"x 6" Sun $code A (Photo)
D. arpadianus - NEW Very compact cushions of gray-green foliage and light pink flowers on 1” stems. One of the best! Turkey 3”(4”) x 4” Sun $code A*
D. giganteus - NEW An unusual species with small rosettes of green foliage and tall stems topped with clusters of nice pink flowers all summer. Similar in style to Verbena bonariensis, and very useful among tall grasses and taller perennials. 4”( 30”) x 6” Sun, Part Shade $code A
D. haematocalyx ssp. alpina - NEW Tight mats of gray-green pointed foliage covered with hot pink flowers. A larger version of v. pindicola. Macedonia 2”(4”) x 8” Sun $code A*
D. haematocalyx ssp. pindicola - Tight mats of gray-green pointed foliage covered with hot pink flowers. A good selection for dry sunny slopes. Macedonia 2” x 6” Sun $code A*
D. x ’Sunscapes Pink ’ - After additional study and observation, we have come to the conclusion that what we have been offering as D. freynii is more likely a D. gratianopolitanus hybrid. Although the name may have changed, the plant has not and it remains a stunner - mats of gray-green foliage and nice aromatic pink flowers in profusion. Easy and attractive. 3”(5”) x 12” Sun $code A (Photo)

DIASCIA integerrima CORAL CANYON® - (Scorphulariaceae) This heat tolerant introduction from the East Cape Drakensburg Range of South Africa has a wide tolerance of soil and exposure. A cloud of pink, oval flowers from late spring to autumn frost. By far the toughest performer in the novel genus of everblooming wildflowers. A Plant Select® Introduction for 2000 6”(12”) x 12” Sun, Part Shade $code A (Photo)

DIGITALIS – (Scrophulariaceae) A group of summer flowering perennial and biennial herbs native to Europe and northwest Africa to central Asia. Most have large penstemon-like flowers and are easily grown.
D. mariane - One of the best Digitalis for the rock garden! Nearly prostrate dark green rosettes arise from a perennial crown and produce strong 12” stems of glorious, large, reddish-purple flowers. Similar to D. purpurea but not as fussy. 3”(12”) x 10” Sun, Part Shade $code A* (Photo)
D. obscura SUNSET® - A dwarf selection of this subshrub, with evergreen, willow-like foliage set off by burnt sienna-colored trumpet shaped flowers. Attractive in and out of flower. A Plant Select® Recommendation for 2004. 10”(14”) x 15” Sun, Part Shade $code A (Photo)

DRABA - (Brassicaceae) A large group of bun forming plants with yellow or white crucifer flowers. With a few exceptions, all are easy to grow. They are among the earliest to flower, marking the beginning of early spring activity in the garden.
D. brunifolia - Attractive fuzzy green mats covered with short stems of yellow flowers in early spring. 2"(3") x 6" Sun $code A* (Photo)
D. brunifolia ssp. hetarocoma v. nana - Dwarf cushions of hairy rosettes and very short scapes of nice yellow flowers. Turkey 1”(1.5”) x 2” Sun, Alpine $code A
D. densifolia - NEW Compact cushions of small, hairy, gray rosettes adorned in early spring with dense clusters of yellow flowers. Wasatch Plateau, San Pete Co., UT 1”(3”) x 4” Sun, Alpine $code A
D. handelii - NEW A high alpine species forming dwarf cushions of white tomentose foliage and racemes of attractive yellow flowers on short stems. Bayan Har Shan, Qinghai, China 1”(2”) x 3” Sun, Alpine $code A
D. imbricata - Buns of compact foliage adorned with scapes of bright yellow flowers. Caucases 1”(2”) x 2” Sun, Alpine $code A*
D. mongolica - NEW Very tight buns of dark green foliage and bright yellow flowers on very short stems. Excellent trough specimen. Altai Mtns., China 1”(1.5”) x 3” Sun, Part Shade $code A*
D. polytricha - Compact mounds of hairy, gray-green foliage adorned with short stems of bright yellow flowers in early spring. 2” x 4” Sun $code A*
D. rigida ssp. bryoides - One of the tightest buns in the genus with dark green incurved leaves and short stems of bright yellow flowers. Caucasus  2”(4”) x 4” Sun, Part Shade $code A (Photo)

ECHINOCEREUS - (Cactaceae) A large group of heavily-spined cacti often called ‘Hedgehog Cactus’. Within this genus are many of the most winter hardy cacti. Most have extremely large showy flowers that appear in early summer and all are easily grown if given full sun and well drained soil.
E. fendleri v. rectispinus - Clusters of dark-green stems covered with distinct up-curving and twisting spines of variable length. The large magenta flowers appear in mid-summer and are followed by burgundy-red fruits. 3” x 4” Sun, Xeric $code A* (Photo)
E. viridiflorus - Native to the prairies and foothills of southern Colorado, this small clumping cactus is as hardy as they get. Appressed white and red spines and aromatic greenish-yellow flowers in spring. Very hardy 2” x 2” Sun, Xeric $code A*

ECHIUM amoenum - (Boraginaceae) A compact, columnar borage from the Caucasus that looks for all purposes like a spring blooming Liatris that’s gone rusty. The dark reddish-brown flowers are attractive and the plant will re-bloom if deadheaded. 4”(10” ) x 4” Sun   $code A* (Photo)

EDRAIANTHUS - (Campanulaceae) A very useful and attractive group of Mediterranean plants with grass-like foliage and clusters of up-facing bell flowers. They thrive in sunny locations and are particularly effective in walls and crevices.
E. pumilio - Mounds of slender, rigid, blue-green leaves covered in spring with upward facing blue bell flowers. Very showy and particularly well suited for walls and crevices. 2" x 6”  Sun, Part Shade $code A (Photo)

EPITHELANTHA micromeris - (Cactaceae) A very choice cactus with tiny appressed white spines covering the plant. Small salmon flowers emerge from the top of the plant in spring, followed by very decorative long, bright red fruits. From the northernmost population in New Mexico. Cannot reliably be wintered outside in Zone 5. 2” x 1” Sun, Xeric $code A*

ERIGERON - (Asteracea) A vast and variable race of composites many of which make good garden subjects. Most are easy to grow and can be used in a variety of garden situations from the open garden to walls and crevices.
E. chrysopsidis v. brevifolius - RENEW Compact tufts of tomentose, dark green linear foliage and nice yellow flowers on 1” stems. Flowers from spring to fall and performs well in troughs. Wallowa Mtns., Wallowa Co., OR 2”(3”) x 4” Sun, Part Shade, Trough $code A (Photo)
E. chrysopsidis v. chrysopsidis - NEW Larger than v. brevifolius, forming tufts of well-branched rosettes of narrow, gray-green leaves and producing significantly larger flowers on 3” stems. Blue Mtns., Umatilla Co., OR 3”(6”) x 6” Sun, Part Shade $code A*
E. compactus v. consimilis - Dense pulvinate cushions of short linear, gray-green leaves and large white flowers that age to pale lavender. A choice Great Basin native requiring excellent drainage and protection from excess winter moisture. Outstanding! 2”(4”) x 6” Sun, Xeric $code A (Photo)
E. compositus ‘Red Desert’ - This very dwarf form was found growing in rock crevices near Baggs, Wyoming. Very condensed foliage and white flowers on short stems. Great for walls and crevices! 1”(2”) x 6” Sun $code A (Photo)
E. scopulinis - Dense mats of small shiny dark green leaves and cute little white flowers on 1/2" stems in spring. Good for troughs and between rocks.                  1"(1.5") x 12" Sun, Part Shade $code A (Photo)

ERIOGONUM - (Polygonaceae) The ‘buckwheats’or ‘sulphur flowers’ are a dominant presence on the prairies and mountain screes of the West. They come in an amazing array of forms and colors, from tiny mat formers and mini-shrubs, to fantastic mounds of silver tomentose leaves that erupt into dense domes of ‘chicken wire’ covered with tiny flowers.
E. ericifolium v. pulchrum - RENEW A perfect tiny shrub with clouds of pure white, ivory or pink powderpuffs in late summer and autumn. 5”(8”) x 8” Sun, Xeric $code A*
E. ovalifolium v. nevadense - NEW Tight mats of gray felted, oval leaves with bright chrome yellow poms that age to deep rusty pinks. Churchill, NV 1”(3”) x 6” Sun, Xeric $code A*
E. ovalifolium v. purpureum - NEW Compact mats of white felted leaves and pink-purple poms on 3” stems. San Rafael Swell, Emery Co., UT 2”(5”) x 6” Sun, Xeric $code A*
E. saxatile - NEW Small spreading cushions of relatively large, white-felted, spoon shaped leaves with branching flowering stems of pale yellow umbels that quickly age to copper and bronze. Southern Sierra Nevada, Inyo Co., CA 4” x 8” Sun, Xeric $code A*
E. umbellatum v. aureum KANNAH CREEK® - An excellent garden plant that seems to be more moisture tolerant than most. The spreading green foliage changes to vivid purple-red in winter and masses of yellow flowers appear from May to July, turning orange as they age. Plant Select® Introduction for 2007. W. United States 8”(12”) x 20” Sun $code A*
E umbellatum v. humistratum - Dense mats of silver-gray leaves and large umbels of bright yellow flowers on strong upright stems. The flowers change to shades of orange and red as they age. A choice alpine from the Trinity Mountains, Siskiyou Co., CA 3”(6”) x 8” Sun, Alpine $code A* (Photo)
E. umbellatum v. porteri - A tiny alpine Eriogonum forming a dense mat of green leaves with white tomentose backs. The yellow pom-pom flowers rise above the mat on short stems in late summer. 1” (2”) x 6” Sun, Xeric $code A* (Photo)

ERODIUM chrysanthum - (Geraniaceae) This Grecian gem forms extremely attractive mounds of silver, fern-like leaves and produces scapes of light yellow flowers in spring and sporadically throughout the summer. The foliage alone makes this a must have! 6”(8”) x 15” Sun $code A

ESCOBARIA - (Cactaceae) A North American genus of mostly clump-forming, globular cacti with a number of reliably cold-hardy species. The apical flowers appear in early summer.
E. orcuttii v. koenigii -  A very attractive clump-forming species covered completely with short white spines. Small salmon-pink flowers in early summer. Very hardy. 4" x 6" Sun, Xeric $code A* (Photo)
E. sneedii v. leeii - Small clumps with short white spines and small salmon-pink flowers in early summer. Very hardy and one of the best species for trough culture. 2" x 4" Sun, Xeric, Trough $code A* (Photo)
E. vivipara - Globes of interwoven brown and white spines with dark brown tips. Attractive bright pink flowers. Pueblo Co., CO 3” x 3” Sun, Xeric $code A* (Photo)

GAZANIA - (Asteraceae) A very familiar group of composites found frequently in garden centers and , in colder climates, used as annuals. However, the species offered here are hardy South Africans that work well in perennial plantings and rock gardens.
G. krebsiana TANAGER® - Fluorescent orange daisies from earliest spring to late autumn create dazzling specimens ideal for mass displays. Glossy, dark green leaves develop a deep purple tinge in the winter months. Reseeds moderately in zone 5 and is hardy in protected microclimates. Native to South African and a Plant Select® Recommendation for 2003. 2”(4”) x 10” Sun, Part Shade $code A (Photo)
G .linearis COLORADO GOLD® - Glossy mounds of deep green, strap-shaped leaves that are spangled with 3” shiny yellow flowers with patterned centers. Flowering is most prolific in spring and fall but continues throughout the growing season. This selection is reliably hardy in zones 4 - 8 (up to 9,000’). This plant was chosen as a Plant Select® Introduction for 1998. 4”(6”) x 10” Sun, Part Shade $code A (Photo)

GENISTA - (Leguminosae) These heat and sun-loving dwarf shrubs form dense mounds of mostly leafless stems that are covered with yellow pea flowers in spring and early summer. Most are easy to grow and thrive in any well-drained soil.
G. lydia - This spectacular shrub forms a low dense mound of mostly leafless stems that are covered with large, bright yellow flowers in late spring. It is very effective when planted on slopes where it can cascade over rocks. 12” x 36” Sun $code A* (Photo)

GERANIUM magniflorum LA VETA LACE® - (Geraniaceae) This alpine geranium from the Drakensberg Mountains of South Africa forms compact, evergreen mounds of foliage, resembling finely textured parsley, that take on hints of purple and scarlet in winter. The vivid purple flowers continue from spring into summer. Adaptable and long lived. A Plant Select® Introduction for 2003. 8” x 20” Sun, Part Shade $code A* (Photo)

GLAUCIUM - (Papaveraceae) Members of this Mediterranean genus are known as ‘horned poppies’ because of the horn-like seed pods that form after flowering. Most species have very attractive incised, tomentose silver foliage, attractive flowers, and are very drought tolerant.
G. acutidentatum - An outstanding species that forms compact mounds of attractive , tomentose silver foliage and a profusion of deep orange flowers with black throats. The flowers are followed by the characteristic horn-like seed pods. Difficult to propagate, so seldom offered. Turkey 10”(20”) x 20” Sun, Xeric $code A* (Photo)
G. grandiflorum - Much like G. acutidentatum but smaller with compact foliage and more red in the flowers. Outstanding! Turkey 4”(8”) x 8” Sun, Xeric $code A* (Photo)

GRASSES (ORNAMENTAL) - There are many species of ornamental grass that are of great use in the garden and landscape, providing texture and structure in all seasons. Most of the species we list can be used effectively in the rockery. All will grow in average garden conditions.
Calamagrostis brachytricha - A nice clump-forming grass with narrow arching foliage and very attractive straw colored seed heads. This species flowers in early fall and will perform in slightly shaded exposures. A Plant Select® Recommendation for 2009. 24"(36") x 15" Sun, Part Shade $code A (Photo)
Festuca idahoensis ‘Siskiyou Blue’ - Very blue foliage that is taller and looser than the Festuca glauca hybrids. A softer look. 8”(12”) x 12” Sun $code A
Panicum virgatum ‘Shenandoah’ - A very colorful Switch Grass with red-tipped green foliage that changes to a striking blend of reds and oranges in fall. The flowers form a haze of tiny seed heads. 48” x 18” Sun $code A (Photo)
Schizachyrium scoparium 'The Blues' - A selection of the great plains native 'Little Bluestem Grass'. This cultivar has been selected for its intensely blue upright foliage. Attractive feathery seed heads are produced in fall and the foliage turns to pinkish-gray. 24" x 12" Sun, Xeric $code A (Photo)
Sorgastrum nutans ‘Cheyenne’ - NEW Very attractive native ornamental grass with an upright growth habit and golden seed heads. Performs well in drier growth conditions. 18” x 40” Sun $code A
Sporobolus heterolepis - NEW A wonderful species that forms soft, weeping mounds of dark green foliage and thin spikes of tan flowers. Very effective in mass plantings. 10”(18”) x 15” Sun, Part Shade $code A (Photo)
Sporobolus wrightii 'Giant Sacaton' - A wonderful southwestern alternative to Pampas grass. This species develops into a fountain of luxuriant foliage that explodes with fine-textured seed heads in late summer. A Plant Select® Recommendation for 2006. 6’ x 4’ Sun, Part Shade $code A* (Photo)

HAPLOPAPPUS (STENOTUS) acaulis - (Asteraceae) A very interesting species, forming long lived cushions of rigid narrow dark green prickly leaves. The bright yellow flowers rise on short stems above the congested mats. Utah 1”(2”) x 6” Sun $code A

HESPERALOE parviflora - (Agavaceae) You will find this Agave relative in use extensively as a landscape plant in Phoenix, AZ and other mild climates, but it has proven perfectly hardy for us here in Colorado. Absolutely no winter damage, so the plants develop into attractive specimens. Produces tall spikes of beautiful coral-red flowers that last throughout the summer. 18”(36”) x 18” Sun $code A (Photo)

HETEROTHECA jonesii - (Asteraceae) Flat mats of gray-green leaves studded with bright yellow daisies from spring to frost. Will grow in xeric conditions, but performs better if given some moisture and good drainage. Southern UT 1” x 10” Sun, Xeric $code A* (Photo)

HIRPICIUM - (Asteraceae) A South African genus of Gazania-like composites found growing in dryer exposed locations in the high Drakensberg. More durable and heat tolerant than the Gazanias.
H. amerioides ‘Tiffendell Dwarf’ - A new variety collected near Tiffendell, South Africa by David Salmon of High Country Gardens. The plants are half the size of the species and form more congested mats of bristly gray-green foliage. The white daisies with dark gray reverses appear from spring through fall. Very cute! 2”(3”) x 6” Sun $code A*

IBERIS taurica - (Cruciferae) Low, compact mounds of hairy, dark green foliage completely covered in spring with clusters of pinkish-purple buds that open into short-stemmed umbels of extremely attractive white flowers. 4” x 8” Sun $code A* (Photo)

IRIS manchurica - (Iridaceae) NEW An outstanding little Pseudoregelia Iris from the steppes of Mongolia. Compact clumps to gray-green foliage with numerous stems of bright yellow flowers opening at the top of the leaves. Outstanding! Mongolia, China 6”(7”) x 6” Sun $code A* (Photo)

INULA verbascifolia - (Asteraceae) Mounds of beautiful gray tomentose leaves with nice short-rayed yellow flowers in summer. Very effective when planted in hot, sunny rock garden settings or hardscape crevices. 4”(6”) x 10” Sun $code A (Photo)

KHADIA alticola - (Aizoaceae) NEW An outstanding species from the mountains of South Africa, with succulent dark green foliage and large pink flowers. S. Africa 2” x 4” Sun, Xeric $code A (Photo)

KNIPHOFIA - (Liliaceae) Stout, rhizomatous perennial herbs native to Madagascar and South Africa. Often referred to as ‘Red Hot Pokers’, the green or silver rosettes of grass-like foliage produce spikes of flowers in shades of yellow, orange and red.
K. caulescens - Very robust rosettes of glaucous foliage and impressive flower stalks of cream-yellow and red. This is a big one! S. Africa 24”(48”) x 24” Sun $code A* (Photo)
K. hirsuta - Gray-green hirsute leaves and attractive flower spikes of yellow with orange tops. Blooms in early summer and, at times, re-blooms in late summer. S. Africa 6”(12”) x 12” Sun $code A (Photo)
K. ‘Nancy’s Red’ - Nice selection with grass-like foliage and deep orange-red flowers. 8”(12”) x 6” Sun $code A
K. triangularis - Thin grass-like light green foliage and nice flowers is shades of yellow and rusty-orange. S. Africa 12”(15”) x 12” Sun, Part Shade $code A*

LALLEMANTIA canescens - (Lamiaceae) A very attractive mint from Iran producing spikes of large blue flowers with white stripes over mats of gray-green foliage. 3”(8”) x 8” Sun $code A (Photo)

LEWISIA - (Portulacaceae) This is the American ‘bitter-root’ genus, found in the mountains and valleys of the US West. They grow in succulant rosettes over large fleshy roots and are well worth growing for their lovely flowers and foliage.
L. ‘Little Plum’ - NEW Attractive dark green succulent rosettes and unusual rose-purple flowers with a touch orange. One of the easier Lewisias to grow. 2”(6”) x 4” Sun, Part Shade $code A

LESQUERELLA – (Brassicaciae) The members of this genus, often referred to as ‘bladder-pods’, form inflated silvery-pubescent seed pods after flowering. All flower early in spring when very little else is in flower.
L. arizonica - Very tight gray mats covered with yellow blossoms in early spring. 2”(3") x 6" Sun, Xeric $code A (Photo)
L. sp. ’Penrose’ - Similar to L. arizonica but larger in foliage and flower. Restricted to dry hillside around Penrose, CO. 3”(5’) x 8” Sun, Xeric $code A (Photo)

LUPINUS - (Fabacaea) A widely distributed genus of annual and perennial herbs or subshrubs with a particularly large number of species found in western North America. Most have very attractive purple to blue flowers and silver foliage.
L. albifrons - A compact, mat-forming shrub with extremely attractive silver foliage. The silvery blue sheen on the compound leaves is produced by a covering of silky hairs. The large, lavender-blue to violet flowers are carried on 6-9” stems rising just above the foliage. An absolutely stunning plant. Siskiyou Mountains, OR 6”(12”) x 15” Sun, Xeric $code A* (Photo)

MAIHUENIA poeppigii - (Cactaceae) An excellent mat-forming winter hardy cactus from Patagonia. The spiny 2” stems are studded with glowing 2” yellow flowers in summer. 2” x 12” Sun, Part Shade $code A* (Photo)

MARRUBIUM incanum – (Labiatea) NEW An attractive foliage plant for the xeric garden, forming a small scale groundcover of wooly foliage with attractive pale pink flowers from spring to mid summer. Easy to grow in a wide range of soils. 4” (8”) x 12” Sun, Xeric $code A

MATTHIOLA montana - (Cruciferae) An exciting new introduction from the mountains of Turkey. The compact mounds of long, gray-pubescent leaves are covered with abundant umbels of yellow-eyed, lavender-pink flowers on stout 2” stems. 3”(5”) x 6” Sun $code A* (Photo)

OENOTHERA - (Onagraceae) A large and widely distributed group of species in the Western Hemisphere. Often referred to as ’evening primroses’, they encompass a wide range of forms with a number of very nice plants and many that are of little horticultural interest. Most are very drought tolerant and easy to grow.
O. fremontii - One of the better ‘evening primroses’ with attractive linear-lanceolate silver-green foliage and large yellow flowers from early summer to frost. The flowers are followed by large four-winged seed pods. Kansas and Nebraska 4” x 24” Sun, Xeric $code A
O. fremontii ’Lemon Silver’ - An excellent selection with large, broadly lanceolate silver-green foliage and spectacular, large lemon-yellow flowers that glow in the afternoon and evening light from early summer to frost. The flowers are followed by large four-winged fruits. 4” x 24” Sun, Xeric $code A (Photo)

OTHONNA capensis - (Asteraceae) This succulent composite forms mats of fat cylindrical blue-green leaves and bright yellow flowers on thin 2" stems. Flowers appear from spring through fall to make a grand display in the rockery. A must for the succulent fancier. South Africa 2"(4") x 6" Sun $code A (Photo)

OXYTROPIS - (Fabaceae) A group of marvelous dry land plants much like Astragalus with pinnate leaves and heads of pea flowers. Most require xeric treatment and make excellent trough subjects.
O. besseyi v. obnapiformis - Dense clumps of silver pinnate foliage and short spikes of purple-pink flowers followed by inflated white fuzzy seed pods. Central WY. 3”(5”) x 5” Sun, Xeric $code A*
O. deflexa - NEW Graceful mounds of gray-green and bright pink flowers. 8” x 10” Sun, Xeric $code A*
O. multiceps - Silvery mounds of small lanceolate leaves adorned in spring with bright pink flowers followed by white calyxes that inflate as the seed develops. An outstanding trough plant.. Wyoming native 2” x 6” Sun, Xeric $code A (Photo)
O. podocarpa - An outstanding and challenging alpine from the Mosquito Range in Colorado. The green fern-like foliage pads produce sessile satiny purple flowers followed by mottled, bubble-like seedpods. Choice 1” x 6” Sun, Alpine $code A* (Photo)
O. splendens - Erect clumps of whorled pubescent silver leaves and woolly heads of pink flowers. Park County, CO 4”(6”) x 4” Sun, Alpine $code A (Photo)

PELARGONIUM - (Geraniaceae) A large group of annual and perennial herbs and shrubs native mostly to South Africa with two species in Turkey. With the exception of the Turkish species, all are not reliably cold hardy.
P. endlicherianum ’Select Form’ - Similar to the species but the leaves are more finely divided and slightly hairy. The flowers are the same but the color is an outstanding bright deep pink. Turkey 6”(12”) x 12” Sun, Part Shade $code A* (Photo)

PENSTEMON - (Scrophulariaceae) From the American West, Penstemons are the work horses of the xeriscape or native garden, providing substance, shape and long-lasting color. They're also adored by hummingbirds and butterflies.
P. alamosensis - Beautiful evergreen rosettes of large blue-gray leaves and tall stems of brilliant coral-red tubular flowers. A beautiful specimen for the xeric garden in or out of flower. A rare endemic from the mountains of southern New Mexico. 3"(15") x 8" Sun, Xeric $code A (Photo)
P. albidus - An excellent white-flowered species with green basal rosettes and compact flower spikes. 2”(6”) x 4” Sun $code A (Photo)
P. albidus ‘Lavender’ - NEW Usually a white-flowered species, this selection has attractive light lavender flowers. Baca Co., CO 2”(6”) x 4” Sun $code A*
P. arenicola - Very similar to Penstemon nitidus with dense spikes of glowing sky-blue flowers atop nice rosettes of glaucus foliage. One of the first to flower in early spring. Wyoming 3”(6”) x 6” Sun, Trough $code A* (Photo)
P. aridus - One of the smaller Penstemons, forming tidy mats of dark-green leaves and 4” stems of attractive blue flowers. Makes an excellent trough subject!
1”(5”) x 4” Sun, Trough $code A
P. cardinalis - Tall stems of dark red tubular flowers above large rosettes of fleshy green leaves. Lincoln Co., NM 4”(20”) x 10” Sun, Xeric $code A (Photo)
P. hallii - One of the most beautiful alpine Penstemons, this gem is found in the high mountains of Colorado. Forms attractive clumps of dark green linear foliage and short stems of violet-blue flowers in late spring. 4”(8”) x 6” Sun, Alpine $code A (Photo)
P. jamesii - Another large flowered Penstemon with gray-green rosettes and 9" flower spikes. One of the best for that hot dry spot in your garden. 3"(12") x 5" Sun, Xeric $code A (Photo)
P. mensarum - Attractive mounds of bright green foliage and tall stems of cobalt blue flowers. An outstanding species from the mountains of Colorado. 8”(20") x 12” Sun, Part Shade $code A (Photo)
P. x mexicale RED ROCKS® - A hybrid made by Bruce Meyers between Mexican and American wild Penstemons that has produced a stunning new introduction that is both beautiful and easy to grow. Mounds of attractive dark green leaves produce stems of bright rose flowers all summer. This plant is a Plant Select® Introduction for 1999. 8"(15") x 15" Sun $code A (Photo)
P. nitidus - Spectacular displays in earliest spring with many flowered spikes of aquamarine atop blue-gray leaves. An indispensable member of the early spring garden and marvelous companion for early spring bulbs. Wyoming, Montana 4"(8") x 6" Sun, Xeric, Trough $code A (Photo)
P. richardsonii v. dentatus - A more compact version of the species, with entire, toothed leaves and bright lilac-pink flowers from mid summer and continuing into autumn. 6”(9”) x 8” Sun, Part Shade $code A (Photo)
P. superbus - Attractive blue-green foliage rosettes and tall spikes of coral-red flowers. New Mexico, Arizona 4”(12”) x 8” Sun $code A* (Photo)
P. superbus (Pink Form) - Glaucous foliage and tall stems of bright dark-pink flowers. Makes quite a statement in the late spring garden! 6”(24”) x 8” Sun $code A (Photo)

RABIEA albipuncta - (Aizoaceae) One of the most winter hardy of the South African succulents, forming hard pads of dark green triangular leaves that are covered in early spring with spectacular 1.5” glowing yellow flowers. Easy to grow if given good drainage and full sun. 2” x 6” Sun, Xeric $code A* (Photo)

ROSULARIA - (Crassulaceae ) A useful group of plants forming mounds of succulent rosettes of small leaves with interesting variations of color and texture. All perform well in a variety of settings, but are best displayed when planted among rocks or in crevices. In parts of the country where sunlight is intense, provide filtered shade at least during the afternoon and/or plant on an E to NE exposure.
R. muratdaghensis - Succulent mounds of light green rosettes tinged with red on the edges when grown in strong light. Nice cream flowers. 2"(4") x 6" Sun, Part Shade $code A (Photo)
R. persica - This rarely offered species from western Asia forms compact mounds of succulent dark green rosettes and stems of pink flowers. Iran, Lebanon, Syria 2”(4”) x 3” Sun, Part Shade $code A (Photo)
R. sempervivum v. glaucophylla - An outstanding variety with blue-green rosettes and stems of pure white flowers. 2”(5”) x 6” Sun, Part Shade $code A

RUSCHIA pulvinaris - (Aizoaceae) One of the best winter hardy succulents from the high mountains of South Africa. Forms mats of stiff stems of succulent triangular leaves that are covered with fuchsia-pink flowers in late spring. 3” x 10” Sun $code A (Photo)

SALVIA - (Lamiaceae) Members of this group of 'sages' are very useful in providing color to the garden in late spring and early summer. The aromatic foliage provides interesting shape and texture and large tubular two-lipped flowers are produced in whorls along the tall flower spikes. Most require little water and are easily grown.
S. daghestanica PLATINUM™ SAGE - Mats of light gray tomentose foliage with abundant spikes of deep blue flowers. A Plant Select® Recommendation for 2006. A real winner! 2”(8”) x 10” Sun $code A* (Photo)
S. dorrii - Extremely aromatic silver foliage and glowing purple flowers. This ‘purple sage’ of the American West makes a very striking specimen in the xeric garden. 8"(12") x 12" Sun, Xeric $code A* (Photo)
S. greggii 'Wild Thing' - Aromatic mounds of dark, semi-evergreen foliage covered with flushes of hot pink flowers much of the growing season. Brought to Plant Select® by Tom Peace. A woody perennial best cut back in spring. A Plant Select® Introduction for 2005. 15” x 10” Sun $code A* (Photo)
S. jurisicii - This unusual Salvia forms a dense bush of ferny hirsute foliage and produces deep-blue spikes of flowers for much of the summer. E. Europe 10”(15”) x 15” Sun $code A (Photo)
S. pachyphylla (Mojave Sage) - An exciting introduction from the mountains of California! This shrubby perennial is much like S. dorrii but larger in all aspects. The intensely aromatic, evergreen , silver-green leaves set off persistent mauve bracts surrounding small blue flowers. Flowering from June to frost. A Plant Select® Introduction for 2005. Spectacular! 30” x 30” Sun $code A* (Photo)

SCROPHULARIA macrantha - (Scrophulariaceae) An outstanding and versatile perennial with dark-green serrated leaves and glowing dark-red flowers on a sub-shrub that continues to expand from the base. The flowers look like ‘Red Birds in a Tree. A Plant Select® Introduction for 2008. 12”(24”) x 12” Sun $code A

SCUTELLARIA - (Lamiaceae) Known commonly as ’skullcaps’, these cosmopolitan herbs provide a number of attractive rock garden species. Their bright flowers and attractive foliage are always a welcome addition.
S. resinosa - An outstanding Great Plains native which forms a miniature shrublet of small gray-green rounded leaves. In early summer the upper portions of the stems are covered with blue-purple flowers with two prominent white guidelines on the flaring lower lip. Don’t be without this one! 8” x 8” Sun $code A (Photo)
S. suffrutescens (Cherry Skullcap) - A low mounding subshrub with a continuous display of hot, cherry-red flowers. Grows best in sunny, well-drained sited. Good in raised beds, rock gardens or front of the border. This tender perennial is hardy to USDA zone 6 and in zone 5a in protected sites. A Plant Select® Recommendation for 2004. 6” x 12” Sun, Part Shade $code A* (Photo)

SEDUM - (Crassulaceae) A large genus of succulent plants with an amazing variety of shapes and sizes. They perform well as groundcovers, crevice plants and the larger species make attractive individual specimens. The winter hardy species are tough and easy to grow and many are quite drought tolerant.
S. cauticola ‘Lidakense’ - One of the best fall blooming sedums, forming attractive mounds of glaucus purplish-gray foliage and gorgeous deep pink flowers. 3”(5”) x 8” Sun, Part Shade $code A (Photo)
S. corsicum - (Crassulaceae) Blue-green mounds of thin needle-like leaves with reddish tinges when grown in strong light. Flowers have never been produced so the compact foliage growth is maintained throughout the growing season. 2" x 6" Sun, Part Shade $code A
S. dasyphyllum ‘Himalayan Skies’ - NEW A more robust form of the species with delicate blue-gray globular foliage and light pink flowers in summer. Yunnan, China 2” x 4” Sun, Part shade $code A
S. ewersii ‘Rosenteppich’ - NEW Attractive glaucous foliage covered with superb deep pink flowers in mid to late summer. 2”(4”) x 6” Sun $code A (Photo)
S. lanceolatum ‘Prueser’ - NEW A more robust form of the species discovered by Scott Preusser of Timberline Nursery. Colorado 2"(4") x 6" Sun, Part Shade $code A
S. obtusifolium - (Crassulaceae) This outstanding species forms prostrate mats of dark green rosettes that are evergreen. In spring, short flowering stems of light red flowers are produced as the rosettes elongate. After flowering, the flowering stems persist and turn an attractive dark brown. The rosettes return in late summer and continue to be decorated by the flowering stems, producing an intriguing specimen in the fall and winter. Outstanding! .75” (3”) x 4” Sun, Part Shade $code A* (Photo)
S. rupestre ‘Angelina’ - NEW An outstanding cultivar with trailing stems of gold-green foliage that turn a glorious orange in winter. Originally found in a Croatian garden. 3”(5”) x 15” Sun, Part Shade $code A (Photo)

SILENE - (Caryophyllaceae) Summer -blooming plants for the sunny rock garden. The frequently notched or cut five petaled flowers of white, pink or red are carried on short stems which arise from a fleshy root stalk.
S. kantzeensis - NEW Superb compact cushions of light green ovate leaves and large rose flowers. Zedou Shan, Sechuan, China 2”(3”) x 6” Sun, Alpine $code A

SOLIDAGO sp. ‘Wichita Mountains’ - (Asteraceae) An outstanding native from the Wichitas in SW Oklahoma with long standing tall flowering spikes of bright gold flowers in late summer. A GreatPlants® selection in 2005. 30” x 24” Sun, Xeric $code A (Photo)

SPHAERALCEA caespitosa - (Malvaceae) This aristocrat of the Sphaeralcea clan forms silver-gray tufts of pleated, fan-shaped leaves and sessile heads of large orange flowers. Endemic to Great Basin limestone barrens and gravels in west-central Utah. It wants unpampered, xeric treatment to maintain character. 2” x 6” Sun, Xeric $code A* (Photo)

STOMATIUM - (Aizoiceae) An interesting genus of South African succulent plants that form mats of variously textured and toothed foliage. The narrow-petaled yellow flowers appear in late afternoon and evening. They have proven to be remarkably cold hardy.
S. agninum - A very attractive foliage plant, forming tight mats of dull-green, roughened, green-dotted, rhomboidal leaves. Light yellow flowers, but seldom flowers. Very hardy. South Africa 1.5” x 5” Sun, Xeric $code A* (Photo)
S. beaufortense - Compact mats of medium green foliage covered with numerous small white dots and a few short teeth on the margins. Nice yellow flowers opening in the late afternoon. South Africa 2" x 6" Sun, Xeric $code A* (Photo)
S. loganii - Mats of medium-green foliage covered with numerous white dots and with short teeth on the margins. Nice yellow flowers opening in the late afternoon. 2" x 6" Sun, Xeric $code A* (Photo)
S. mustillinum - A very hardy South African succulent forming mats of tightly spaced gray-green leaves roughened with many minute white dots. Attractive yellow flowers with many narrow petals open in late afternoon. One of the easiest winter hardy ‘iceplants’ to grow. 1” x 6” Sun, Xeric $code A (Photo)
S. resedolens - Mats of light green foliage sparsely marked with white dots and with numerous teeth on the margins. Nice yellow flowers opening in the late afternoon. 3" x 6" Sun, Xeric $code A* (Photo)

TALINUM- (Portulacaceae) Another Lewisia relative with fleshy cylindrical leaves growing from a thick stem or root stalk. The bright white, pink or magenta flowers with golden stamens open in the afternoon and can be caespitose or carried on tall thin stems. All will thrive in poor sandy soil in full sun
T. brevifolium - Compact clumps of sausage-shaped opalescent leaves covered with large bright pink flowers in summer. One of the best! 1” x 4” Sun $code A (Photo)
T. spinescens- A miniature of T. calycinum, forming more condensed mounds with the same hot magenta flowers. Makes a good trough specimen. 2"(5") x 5" Sun, Xeric, Trough $code A*

TITANOPSIS x ‘Thai Dyed’ - (Aizoaceae) NEW A spectacular hybrid created by a chance cross pollination of Titanopsis fulleri and likely Aloinopsis spathulata in the garden of David Salmon from High Country Gardens. Hard to believe such a drastic color break could occur in only one generation, but that seems to be the case. Enjoy! 2" x 4" Sun, Xeric $code A* (Photo)

TOWNSENDIA- (Asteraceae) These condensed asters are often called “Easter Daisies” because they flower so early in the spring. Most have large caespitose flowers of white, pink or lavender and form mounds of linear leaves of green or silver. Most require a well drained soil in full sun. No garden should be without a good selection of these wonderful plants.
T. exscapa- Forms tight buns of silver leaves covered in early spring with large glowing white flowers often suffused with pink. This is a particularly robust form grown from seed collected near Pueblo, CO. This one is a must! 2" x 6" Sun, Xeric, Trough $code A (Photo)
T. ‘Jeane’s Purple’ - An exceptional plant with dark gray-green foliage and nice purple flowers. Excellent trough plant. 1” x 2” Sun, Part Shade, Trough $code A* (Photo)
T. rothrockii - A very adaptable alpine species forming mats of dark green leaves covered with 1" light lavender daisies in earliest spring. 2” x 6” Sun, Alpine $code A (Photo)
T. spathulata - Tight mounds of narrow, spathulate, silver leaves and caespitose white flowers. Difficult in the open garden but an outstanding trough plant! 2” x 4” Sun, Xeric, Trough $code A* (Photo)

VERBASCUM – (Scrophulariaceae) A large group of herbs native to Asia and Europe, primarily the Mediterranean. Most are large summer flowering plants that provide excellent vertical accents in gardens large enough to accommodate them.
V. bombyciferum - NEW The most spectacular of the large Verbascums, forming large, light gray, woolly rosettes and tall woolly flowering spikes of yellow flowers. Very drought tolerant. 10”(48”) x 20” Sun, Xeric $code A (Photo)
V. undulatum - A spectacular foliage plant forming large rosettes of woolly leaves with undulating margins. Tall spires of yellow flowers are produced in mid summer. (Greece) 12” (48”) x 12” Sun, Xeric, Biennial $code A

VERONICA - (Scrophulariacea) There are many forms of ‘speedwell’ from small mat- formers to larger more erect plants that bear flowers on tall stems. Most are easy to grow and thrive in sunny settings where only the hardiest will grow.
V. ‘Reavis’ CRYSTAL RIVER® - This excellent groundcover is a hybrid between V. liwanensis and V. pectinata. Much like liwanensis in leaf and flower but slightly larger and more vigorous. Tiny blue flowers appear in a solid mass in spring, with scattered blooms throughout the season. A Plant Select® Introduction for 2003. 3” x 24” Sun, Part Shade $code A (Photo)
V. liwanensis (Turkish Veronica) - Mats of small, glossy green leaves covered in spring with clusters of showy blue flowers. One of the best ground covering plants available! A Plant Select® Introduction in 1997. 1” x 12” Sun, Part Shade $code A (Photo)
V. oltensis - Another great miniature Veronica from the high mountains of Turkey. The creeping mats of dark-green pinnate leaves are covered with azure-blue flowers in spring. Relatively slow growing, this plant works well in crevices in the xeric garden. .5” x 12” Sun, Xeric $code A (Photo)

ZAUSCHNERIA- (Onagraceae) This genus contains some of the most spectacular xeric plants for the dryland rockery. They form upright or creeping green to silver-leafed shrubs that in late summer erupt in a blaze of pink or red tubular flowers which are very attractive to hummingbirds. These plants provide the much needed splash of red in the yellow domination of fall, and the color lasts even past the first frost. In colder areas, these plants are root hardy and the dead foliage should not be removed until spring when new growth begins. They are best planted in spring or early summer.
Z. californica ‘Wayne’s Select’ - A great new addition with fantastic silver foliage and muted scarlet flowers. Spreads more slowly then most. 18” x 20” Sun, Xeric $code A* (Photo)
Z. garrettii ‘Siskiyou Dwarf’ - Smaller green-leaved form with good scarlet flowers and more prostrate growth habit. This plant is an early bloomer, starting in mid July and continuing to frost. 6” x 18” Sun, Xeric $code A (Photo)