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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. 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 (Photo)   
A. schistosum  -  Neat mounds of glaucous blue foliage covered in spring with stems of aromatic pink flowers followed by decorative seed heads.  Turkey  2”(5”) x 8”  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. rupestris 'Sunset Hyssop' -  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* (Photo)

ALOINANTHUS - (Aizoaceae)  This newly created genus contains complex hybrids between species of Aloinopsis and Nananthus and have been selected for their unique flower colors.  They are not reliably hardy here in zone 5 but will survive some winters in warm microclimates.  They are best planted among rocks with a southern exposure.
A. 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)
A. 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)
A. 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)
A. 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)
A. x 'Peachy Keen' - NEW  A very floriferous hybrid with light peach colored flowers that turn a little darker as they age.  2" x 4"  Sun  $code A*  (Photo)  
A. x ’Sunscapes Pink’ -  A selection with glowing, deep pink flowers. 2” x 4” Sun $code A* (Photo)
A. x ’Yellow Eye’ -  Pink with shades of electric blue and orange and a light yellow center. 2” x 4” Sun, Xeric $code A* (Photo)
  
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)
A. x ‘Thai Dyed’ - (Aizoaceae)  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)

AMSONIA - (Apocynaceae) A small group of perennial herbs native to North America and Eastern Asia.  The tall stems are covered with attractive narrow foliage and clusters of star-shaped flowers are produced at the apex of each stem.  Most are quite drought tolerant and of easy culture. 
A. jonesii  -  (Apocynaceae)   This widely adaptable western native thrives in ordinary gardens or unwatered xeriscape.  Sapphire blue stars from April to early summer.  Autumn foliage is a beautiful clear yellow.  A Plant Select® Recommendation for 2011  15” x 15”  Sun, Xeric  $code A  (Photo)
A. peeblesii - NEW Numerous stems narrow green leaves and apical clusters of blue buds that open into attractive white flowers.  Coconino Co., AZ  15" x 10"  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, Part Shade  $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. ericoides 'Snow Flurry' -  A robust drought tolerant ground cover of bright green stems with small leaves.  In late summer the plants are completely covered with small white flowers with yellow centers.  In spring, cut back the old flowering stems to the newly emerging rosettes.  2"(5") x 24"  Sun, Part Shade  $code A (Photo)

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. 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. 2”(3”) x 4” Sun, Xeric $code A  (Photo)
A. drabelliformis  -  NEW  Small, silvery-gray cushions with short scapes of small purple flowers.  Sublette, WY  2" x 4"  Sun, Xeric  $code A*
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. purshii v. tinctus  -  RENEW  A beautiful western native which forms compact tufts of silvery-green foliage and 1” pink-purple flowers.  The flowers are followed by decorative white fuzzy seed pods.  Reno, NV  2” x 4”  Sun, Xeric  $ code A*
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!  4” x 10”  Sun, Xeric  $code A (Photo)
A. uncialis -  RENEW  One of the tiniest species, forming silvery-gray tufts that bear relatively large pink-purple to violet flowers followed by flattened seed pods with horns.  Great Basin  1”x 3”  Sun, Xeric  $code A*
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)

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. 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.  Adaptable to a variety of habitats.  3” (8”) x 8”  Sun, Part Shade  $code A  (Photo)
C. kemulariae - NEW  Mats of shiny dark green heart-shaped leaves smothered with stems of lilac-blue dangling bells.  A good species for rock walls and crevices.  Caucases  1"(4") x 12"  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)

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)

CLEMATIS - (Ranunculaceae)  This large group of vines and shrubby plants is found growing in temperate regions throughout the world and has been frequently hybridized to produce a variety of brightly colored cultivars.  The shrubby non-vining species and cultivars are good choices for the rockery or rock garden.
C. fruticosa 'Mongolian Gold' -  This unique species is an erect, woody shrub that is covered with yellow flowers in summer followed with attractive seed heads in late summer and fall.  Originally collected by the Great Plants™ group in Northern Inner Mongolia.  A 1999 Great Plants® selection.  36" x 36in.  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. compactus - Congested mats of shimmering silver foliage and sessile white flowers. Superb!  Turkey  2” x 8”  Sun  $code A*  (Photo)

DEGENIA velebitica - (Brassicaceae )   Tufts of linear silver leaves with short stems of large bright yellow flowers followed by inflated seed pods.  A monotypic genus endemic to the Velebit Mountains of Croatia; the image of this species can be found on the reverse of the Croatian 50 lipa coin.  2"(3") x 4"  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 of the Denver Botanic Gardens.. They all have beautiful flowers and interesting succulent foliage.
D. ashtonii 'Blut'  -  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. sp. '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’ (PPAF) -  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-red 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. sutherlandii - An outstanding species with succulent dark green foliage and large magenta flowers.  This species grows from a central root and does not spread into a mat. 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 white, pink and red.  E. Alps   2"x 6"  Sun  $code A  (Photo)
D. haematocalyx ssp. pindicola  - RENEW  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*  (Photo)
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. cappadocica - NEW  Tight cushions of hairy gray-green foliage covered in early spring with short-stemmed bright yellow flowers.  Turkey  1"(2") x 4"  Sun, Part Shade, Alpine  $code A*
D. densifolia - 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. 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  (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 -  A new collection from a population of plants in Fremont Co., CO.  Robust 8" to 10" stems with variable spine colors and some partial hooks.  Large purple flowers.  8" x 3"  Sun, Xeric  $code A*  (Photo)
E. reichenbachii v. albispinus - NEW  Clumping barrels covered with dense white spines adorned with pale pink flowers.  3" x 2"  Sun, Xeric  $code A*  (Photo)
E. reichenbachii v. baileyi -  Tall, cylindric stems with variable combinations of red, orange, yellow, white or pink spines.  Nice large magenta flowers.  6" x 3"  Sun, Xeric  $code A*  (Photo)
E. reichenbachii v. caespitosus - NEW  Single, mushroom-shaped stems with chalky-white radial spines and no centrals.  The large flowers are light pink with a white center.  Easy to grow and very hardy.  Kimble Co., TX  5" x 3"  Sun, Xeric  $code A*  (Photo)
E. triglochidiatus -  Robust green stems with 5-8 ribs armed with heavy tan and gray- brown spines.  The flowers are a magnificent scarlet-red with green stigmas.  This is likely variety gonacanthus and will form a mound of branching stems 12"-18" in diameter in time.  5" x 3"  Sun, Xeric  $code A* (Photo)
E. x lloydii -  A naturally occurring hybrid between E. coccineus and E. dasyacanthus with stout, clumping green stems with 6-8 ribs armed with heavy tan spines.  The large attractive flowers are generally shades of orange.  A very reliable garden plant.  6" x 3"  Sun, Xeric  $code A* (Photo)

ECHIUM amoenum 'Red Feathers'- (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.  A Plant Select® Recommendation for 2010.  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. dalmaticus - NEW  Tufts of narrow grass-like leaves producing clusters of upward facing violet-blue flowers in mid to late summer.  Native to the mountains of Dalmatia in Croatia, this species makes an excellent trough subject.  3"(5") x 5"  Sun, Part Shade  $code A
E. dinaricus - NEW  Tufts of narrow grey-green foliage producing short stems of large single purple-blue flowers.  A good species for troughs, walls and crevices.  Macedonia  2"(4") x 4"  Sun, Part Shade  $code A
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. 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. elegantulus - NEW  A dwarf dryland species forming hard pads of  narrow, pointed, gray-green foliage.  Attractive dark blue flowers with yellow centers rise above the mats on short stems.  The flower color may vary from blue to pink to white.  NE California and SE Oregon  2"(4") x 6"  Sun  $code A*
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. cespitosum - A highly desirable species forming tight caespitose mats of gray-green tomentose leaves and short-stemmed pom-poms of white and pink flowers.  Requires xeric treatment.  1” x 5”  Sun, Xeric  $code A* (Photo)
E. douglasii v. douglasii -  NEW Compact spreading cushions of spatulate, silvery white leaves.  The stems of capitate inflorescences are pale to bright yellow. Blue Mtns., Wallowa Co., OR    2” (6”) x 6”  Sun, Xeric  $code A*
E. ovalifolium v. nevadense  - 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. ovalifolium - NEW  Compact cushions of  tomentose silver-gray foliage and nice yellow capitate inflorescences.  Western US  2"(6") x 6"  Sun, Xeric  $code A*
E. ovalifolium (Wellington Form) - One of the best forms of this species.  Dense gray cushions covered with stems of large multicolored poms of yellow, red, pink and/or cream.  Carbon Co., Utah  3”(5”) x 10”  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. 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.  Beaver Co., UT  2”(4”) x 10”  Sun, Xeric  $code A*  (Photo)

ESCOBARIA  -  (Cactaceae)  A North American genus of solitary to clump-forming, globular cacti  with a number of reliably cold-hardy species.  The apical flowers appear in early summer.
E. dasyacantha v. nova -  Single stems with red-tipped, white spines and sunset-pink to olive-green flowers. Green to flesh-pink fruits.  4" x 2"  Sun, Xeric  $code A*
E. navahoensis v. nova -  Dark green stems with only a few large tubercles tipped with a small ring of very short white radial spines.  The flowers are a creamy yellow followed by attractive red seed pods.  1" x 3"  Sun, Xeric  $code A*
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. varicolor -  Light green stems, generally solitary, with numerous delicate straw colored radials and one light reddish-brown central.  Flowers are white to very light pink followed by attractive dark red fruits.  5" x 2"  Sun, Xeric  $code A*
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)

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.  Can be easily deadheaded after flowering to control naturalization.  Turkey  10”(20”) x 20”  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.
Bouteloua gracilis 'Blonde Ambition' - NEW An impressive, highly ornamental form of Western native grass with tall, upright stems.  Showy chartreuse, aging-to-blonde seed heads hold their straight shape and are displayed high above the foliage through winter, providing many months of color and texture.  Developed by High Country Gardens.  A Plant Select® Introduction for 2011.  30" x 30"  Sun, Partial Shade  $code A*  (Photo)
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
Festuca mairei -  Larger than most of the commonly offered species of fescue, this species develops into an impressive specimen with rigid gray-green leaves and feathery seed heads.  24" x 24"  Sun  $code A  (Photo)
Muhlenbergia reverchonii -  Native to a small area in north Texas, this medium sized grass explodes into a profusion of tiny reddish-pink seed heads floating above thin, mid-green foliage.  Flowering in early fall, this grass is resistant to deer browsing.  One of the best recent introductions.  30" x 20"  Sun  $code A*  (Photo)
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’ -  Very attractive native ornamental grass with an upright growth habit and golden seed heads. Performs well in drier growth conditions. 40” x 18” Sun  $code A
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)

HESPERALOE parviflora 'Red Yucca' - (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. A Plant Select® Recommendation for 2010.  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)

HIERACIUM - (Asteraceae)  A mostly North American genus containing a large number of species with attractive rosettes and, in most cases, yellow flowers.  Commonly called 'hawkweeds', they are easily cultivated, thriving in sunny situations in poor soil.
H. tardans -  An outstanding species that forms tight mats of silver foliage with attractive yellow flowers on 3" stems.  This is an agressive ground cover that will perform in a variety of situations and spreads by rooting new rosettes each year, not by seed. The size of the mat can be controlled, if desired, by trimming off the new rosettes from the perimeter before they root in mid summer.  Very much like a giant Antennaria.  Outstanding!  2"(5") x 36"  Sun, Part Shade  $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

HYMENOXYS - (Asteraceae)  A large genus of yellow-flowered composites found on the prairies and extending in range to the alpine tundra.  Most are too large and course for the rock garden but there are also some real gems that no garden should be without.
H. acaulis ssp caespitosa -  An outstanding dwarf alpine for the rock garden or trough!  Condensed buns of silver-tomentose leaves produce many short-stemmed yellow flowers in spring.  This plant comes from the alpine screes of Pikes Peak in Colorado.  2”(4”) x 4”  Sun, Alpine  $code A*  (Photo)
H. scaposa -  Masses of yellow flowers covering attractive mounds of delicate green foliage from early spring to mid summer.  Very heat and drought tolerant.  3"(6") 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)

JOVIBARBA heuffelii - (Crassulaceae)  Very similar to Sempervivums but unique in that they do not produce ofsetts on stolons but rather increase by the existing rosettes dividing.  They form tight clusters of colorful, durable rosettes that will grow in brighter situations and seem to be less prone to browsing by wildlife.
J. heuffelii 'Gold Bug' -  Attractive green rosettes that turn golden-green in early spring.  2" x 1.5"  Sun, Part Shade  $code A* (Photo)
J. heuffelii 'Hot Lips' -  Dark red leaves with green bases and silver edges.  2" x 2"  Sun, Part Shade  $code A* (Photo)
J. heuffelii 'Orion' -  Soft gray-green leaves with a silver edge.  2" x 2"  Sun, Part Shade  $code A* (Photo)
J. heuffelii 'Sylvan Memory' -  Dark reddish-purple leaves with a silver edge.  2" x 2"  Sun, Part Shade  $code A* (Photo)

KHADIA alticola - (Aizoaceae)  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)

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)

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)

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)

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)

MINUARTIA - (Caryophyllaceae)  Cushion forming plants similar in character to Arenaria.  Native to the alpine regions of Asia, Europe and North America,  most are of easy culture and provide interesting foliage and prolific bloom from spring to early summer.
M. stellata -  Light green cushions of needle-like foliage and nice white flowers in early summer.  Long-lived and reliable.  2"(3") 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 ’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)
O. fremontii 'Shimmer Seedling' - NEW  Grown from seed collected from Oenothera fremontii 'Shimmer', these plants have foliage much more narrow than the species but with the same large yellow flowers.  4" x 24"  Sun, Xeric  $code A*

OPUNTIA - (Cactaceae)  The second largest genus of cactus with the most extensive north-south distribution in the family.  The plants are composed of numerous jointed cylindrical stems or flat pads that are generally heavily armed with long spines that arise from a small circle of small spines called glochids.  In some cases, only the glochids are present.  Many of the species and cultivars produce spectacular floral displays and are very popular in xeriscape gardens.
 O. debreczyi v. denuda 'Potato' - Globe-shaped, spherical stems with short glochids and occasional yellow flowers.  The stems turn shades of  purple in winter.  Ideal for rock gardens. Colorado Plateau into south-central Wyoming  3" x 12"  Sun, Xeric  $code A* (Photo)

OTHONNA capensis - (Asteraceae) This succulent composite forms mounda 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. argophylla  -  Very condensed cushions of silvery-white foliage and racemes of brilliant magenta flowers.  Beaverhead Co., MT  2”(3”) x 4”  Sun, Xeric  $code A* (Photo)
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. 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. 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. barbatus  - NEW  An old standard and still one of the best. Attractive, dark green  rosettes produce numerous flowering stalks of nice red flowers.  4" (20") x 10"  Sun  $code A
P. euglaucus - NEW  Basal tufts of elliptical, glaucous, gray-blue foliage adorned with numerous 9-12" stems sporting compact whorls of dark blue flowers with red-violet tubes.  Hood River Co., OR  4"(10") x 8"  Sun, Part Shade  $code A
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 6" flower spikes. One of the best for that hot dry spot in your garden.  3"(9") x 5"  Sun, Xeric  $code A  (Photo)
P. laricifolius v. laricifolius  -  RENEW  Very floriferous species with grass-like linear green foliage and numerous stiff, thin flowering stems of pinkish-purple flowers.  Excellent trough plant!  Fremont CO,. WY  2”(6”) x 4”  Sun, Trough  $code A*  (Photo) 
P. mensarum - Attractive mats of evergreen foliage and stunning cobalt blue spikes in early spring that last for nearly two months.  The foliage turns a lovely orange-red in winter. An outstanding species restricted to the mountains of Western Colorado.  A Plant Select® Recommendation for 2011  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. paysoniorum NEW - A nice dwarf species with glabrous, gray-green foliage and several stems of abundant small blue flowers.  A good plant for the dry rock garden.  SW Wyoming  6" x 6"  Sun  $code A
P. pseudospectabilis -   A large species with dark green toothed leaves that clasp the base and become disk-like on the upper parts of the stem.  The flowers are glandular and pink to rose-pink.  A great plant for the large dry garden.  Catron Co., NM  8"(20") x 10"  $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)

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. 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
 

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 (Red Birds in a Tree) - (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  (Photo)

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)

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. ewersii ‘Rosenteppich’ -  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’ -  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! 1” (4”) x 6”  Sun, Part Shade  $code A (Photo)
S. rupestre ‘Angelina’ -  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)

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, Trough  $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*  (Photo)

TEUCRIUM - (Lamaceae)  A large group of herbs, shrubs and subshrubs of wide distribution, especially in the Mediterranean region.  Most have attractive, aromatic foliage, attractive flowers and are generally quite drought tolerant. 
T. aroanium - NEW  Mats of attractive, silver foliage and large soft lavender flowers.  This is the true species and much different from the plant that is commonly in the trade.  Greece  2" x 12"  $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. 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. atroviolaceum - NEW  Very congested rosettes of wrinkly, dark green foliage and tall thin flowering stalks of deep violet-purple flowers throughout the summer. Tolerates a wide range of soils and exposures.  Caucases  3"(15") x 6"  Sun, Part Shade  $code A
V. bombyciferum -  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)

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. 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)

YUCCA - (Liliaceae)  Yuccas are one of the signature plants in the western xeriscape garden.  Succulent and evergreen, they provide a strong sculptural accent throughout the seasons with striking foliage and magnificent flowers.  There are many species, varying in size from 10' giants to cute 8" miniatures.  A surprising number are quite cold hardy. 
Y. aff. angustissima - This attractive small yucca was found growing at 7500' near San Luis, Colorado.  The numerous, narrow light green leaves are generously decorated with white hairs that curl away from the edge of the leaf.  Very cute and very hardy.  6"(12") x 6"  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 ‘Etteri’ -  This form has a more prostrate habit with narrow, silver-green leaves and nice red flowers. This form also blooms a little earlier for us, beginning in late July.  12” x 20”  Sun, Xeric  $code A
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)