Detailed Plant Information

Cool Connection

*Phlomis cashmeriana*		Chashmere Sage
Mature Height: 2-3'	Water Requirements: Adaptable	Flower Color: Pink
Mature Spread: 18-24"	Exposure: Sun to Filtered Shade	Flower Season:Late Spring to Early Summer
Hardy To: 9,000'
Stately spires of lavender-pink blooms stand out in the perennial border in late spring. The large furry leaves are attractive throughout the growing season. Thrives in sandy or clay loam soils.

*Panicum virgatum ‘Rotstrahlbusch’*		Rotstrahlbusch Switchgrass
Mature Height: 3-4'	Water Requirements: Adaptable	Flower Color: Burgundy
Mature Spread: 18-24"	Exposure: Sun	Flower Season: Late Summer
Hardy To: 7,000'
An upright, grass that grows up to 4' tall (5' with seed heads) and slowly spreads to form a large clump. Stiff, upright leaves are tinged with red all season long, changing to rich red in the fall. Produces burgundy flower/seed panicles in late summer and provides structural interest through the winter.

*Agastache cana*		Double Bubblemint
Mature Height: 2-3'	Water Requirements: Dry	Flower Color: Rich Pink
Mature Spread: 18-24"	Exposure: Sun	Flower Season: Mid-Summer to Fall
Hardy To: 8,000'
An attractive upright clump with aromatic, dark green foliage climbing rigid stalks to loose spikes of rich pink tubular flowers with bubble gum fragrance.

*Osteospermum ‘Lavender Mist’*		Sun Daisy, Lavender Mist
Mature Height: 10-12"	Water Requirements: Adaptable	Flower Color: Lavender
Mature Spread: 12-15"	Exposure: Sun to Filtered Shade	Flower Season: Spring to Fall
Hardy To: 7,000'
Oblong succulent-like, evergreen leaves become completely covered with shimmering 3" white flowers that fade to pale lavender as they mature. Blooms from April to autumn. Performs well in most garden soils.

*Liatris spicata ‘Gayfeather’*		Gayfeather, Kobold
Mature Height: 18-24"	Water Requirements: Adaptable to Dry	Flower Color: Lavender-Purple
Mature Spread: 12-18"	Exposure: Sun	Flower Season: Mid to Late Summer
Hardy To: 8,500'
Frilly, lavender-purple florets on slender wands rise on short stout stalks, originating from a compact tuft of narrow blade-like, bright-green foliage.

*Artemisia stelleriana ‘Silver Brocade’*		Sage, Silver Brocade
Mature Height: 8-12"	Water Requirements: Low	Flower Color: Yellow
Mature Spread: 1-2’	Exposure: Sun	Flower Season: Summer
Hardy To: 7,500
Beautiful, deeply cut, lobed leaves are densely covered with white hairs giving it a silvery appearance. Good for rock gardens. It can withstand intense heat.

*Diascia integerrima*		Coral Canyon Twinspur
Mature Height: 12-15"	Water Requirements: Adaptable	Flower Color: Soft Pink
Mature Spread: 8-12"	Exposure: Sun to Partial Shade	Flower Season: L. Spring to Summer
Hardy To: 7,000'
Keith A. Williamson
A cloud of soft pink, oval flowers from late spring to autumn frost. This heat tolerant introduction from the East Cape Drakenberg Range of South Africa has a wide tolerance of soil and exposure. By far the toughest performer in this novel genus of everblooming wildflowers.

Dianthus gratianopolitanus

Firewitch Dianthus

Mature Height: 6-8"

Water Requirements: Adaptable

Flower Color: Deep pink

Mature Spread: 8-12"

Exposure: Sun

Flower Season: Late Spring

Hardy To: 8,000'

Keith A. Williamson

Sharply pointed buds on wiry stems open to bright magenta, single blossoms over tufts of gray-green, stiffly pointed grassy leaves. The flowers emit a spicy, clove-like fragrance.

*Fescue glauca*		Boulder Blue Fescue
Mature Height: 8-12"	Water Requirements: Adaptable	Flower Color: Tan
Mature Spread: 8-10”	Exposure: Sun	Flower Season: Mid Spring
Hardy To: 8,500'
Sharply pointed buds on wiry stems open to bright magenta, single blossoms over tufts of gray-green, stiffly pointed grassy leaves. The flowers emit a spicy, clove-like fragrance.

Heavenly Hell

Santolina chamaecyparissus		Lavender Cotton
Mature Height: 12-18"	Water Requirements: Low	Flower Color: Yellow
Mature Spread: 12-18"	Exposure: Sun	Flower Season: Summer
Hardy To: 8,000' '
Upright stems form rounded clumps of finely-cut, fragrant foliage, silvery-gray in color. Flowers appear as bright yellow buttons.

Callirhoe involucrata		Prairie Winecups
Mature Height: 6-12"	Water Requirements: Low	Flower Color: Magenta
Mature Spread: 2-3'	Exposure: Sun	Flower Season: Early Summer to Fall
Hardy To: 7,500'
A low mound of trailing stems with rounded rich green leaves and vivid, reddish-purple flowers throughout the summer.

*Gaura lindheimeri ‘Crimson Butterflies’*		Red Whirling Butterflies
Mature Height: 15-18"	Water Requirements: Low	Flower Color: Pink
Mature Spread: 15-18”	Exposure: Sun to Filtered Shade	Flower Season: Summer
Hardy To: 6,500'
Small, dark crimson leaves on many slender stems arising from a central crown create a compact, upright form. Hot pink flowers dangle above the plant on wiry red stems through the summer.

*Verbena bipinnatifida*		Verbena, Native
Mature Height: 3-6"	Water Requirements: Low	Flower Color: Purple
Mature Spread: 12-18"	Exposure: Sun	Flower Season: Summer
Hardy To: 6,000'
Vibrant, rose-purple flower clusters held above sprawling stems with deeply incised leaves create a beautiful groundcover that blooms from late spring through frost

*Aurinia saxatilis 'Gold Ball'*		Basket-of-Gold Alyssum
Mature Height: 8-12"	Water Requirements: Low	Flower Color: Yellow
Mature Spread: 12-18"	Exposure: Sun	Flower Season: Early Spring
Hardy To: 10,000'
A compact mound of thick, grayish-green leaves covered by bright yellow flowers. One of the earliest perennials to show color.

*Campanula rotundifolia ‘Olympica’*		Harebell, Blue
Mature Height: 6-18"	Water Requirements: Low	Flower Color: Blue
Mature Spread: 12-18"	Exposure: Sun to Filtered Shade	Flower Season: Late Spring to Mid-Summer
Hardy To: 10,000'
A loose rosette consisting of rounded basal leaves becoming linear as they climb wiry stems to the blue, bell shaped flowers.

*Penstemon strictus*		Penstemon, Rocky Mountain
Mature Height: 18-24"	Water Requirements: Low	Flower Color: Blue
Mature Spread: 12-18"	Exposure: Sun to Filtered Shade	Flower Season: Early to Mid-Summer
Hardy To: 8,000'
Brilliant midnight blue flowers form open spikes on stout stalks arising from narrow, glossy green leaves. .

*Sempervivum species*		Hens and Chicks
Mature Height: 2-6"	Water Requirements: Very Low	Flower Color: Mixed
Mature Spread: 12-18"	Exposure: Sun	Flower Season: Various
Hardy To: 10,000'
Thick rosettes of red-tipped succulent leaves produce offsets that are miniature copies of the parent, making this a delightful rock garden plant, tolerant of drought and poor soil condition.

Delosperma nubigenum		Iceplant, Yellow Hardy
Mature Height: 1-2"	Water Requirements: Low	Flower Color: Yellow
Mature Spread: 12-18"	Exposure: Sun	Flower Season: Early to Mid-Summer
Hardy To: 8,000'
A tightly packed mat of plump, succulent leaves that are light green with a purplish cast through the winter. Covered by yellow flowers in early summer, with scattered blossoms recurring throughout the summer.

Nepeta x Little Trudy		Catmint, Little Trudy
Mature Height: 8-12"	Water Requirements: Low	Flower Color: Lavender
Mature Spread: 18-24"	Exposure: Sun	Flower Season: Early to Late Summer
Hardy To: 8,500'
Rippled, soft gray leaves on square stems are aromatic when handled or crushed. Profuse, lavender blossoms are borne above the foliage on branched stems that grow close to the ground.

Festuca glauca		Grass, Blue Fescue
Mature Height: 6-8"	Water Requirements: Low	Flower Color: Tan
Mature Spread: 6-8"	Exposure: Sun	Flower Season: Mid-Summer
Hardy To: 8,500'
Rich, powdery blue foliage forms striking clumps. Tan seed heads appear in early summer. An excellent contrast plant when used with perennials.

Water-Wise Sunrise

Callirhoe involucrata		Prairie Winecups
Mature Height: 6-12"	Water Requirements: Low	Flower Color: Magenta
Mature Spread: 2-3'	Exposure: Sun	Flower Season: Early Summer to Fall
Hardy To: 7,500'	A low mound of trailing stems with rounded rich green leaves and vivid, reddish-purple flowers throughout the summer.

Phlox bifida 'Snowmass'

White Cleft Phlox

Mature Height: 4-8"

Water Requirements: Medium

Flower Color: White

Mature Spread:

6-12"

Exposure: Sun to Filtered Shade

Flower Season: Spring

Keith A. Williamson

Hardy To: 6,000'

White, star-like blossoms completely cover the tight mound of narrow leaves. Each petal has a notch in the tip, which adds a delicate texture to the flowers.

Coreopsis auriculata 'Nana'		Dwarf Coreopsis
Mature Height: 6-8"	Water Requirements: Low	Flower Color: Orange-Yellow
Mature Spread: 6-12"	Exposure: Sun	Flower Season: Early Summer to Fall
	Keith A. Williamson
Hardy To: 7,000'	A dense, compact mound with slender, rich green leaves on erect stalks leading to open-faced, orange-yellow flowers.

Anacyclus pyrethrum var. depressus		Mt. Atlas Daisy
Mature Height: 1-3"	Water Requirements: Low	Flower Color: White
Mature Spread: 12-15"	Exposure: Sun	Flower Season: Spring
Hardy To: 6,500'	A wide mat of feathery, silvery green leaves forms the backdrop for the white daisies that are produced in the spring. The petals of the blossoms are red on the underside and stand out in contrast to the inner white as they unfold.

Agastache aurantiaca ‘Coronado’		Hyssop, Coronado
Mature Height: 15-18"	Water Requirements: Low	Flower Color: Orange
Mature Spread: 12-18"	Exposure: Sun to Filtered Shade	Flower Season: Mid-Summer to Fall
	Keith A. Williamson
Hardy To: 7,000	Native to southwestern America, this hyssop has silvery green leaves on slim, branched stems with large numbers of curved, pale orange flowers from mid-summer to fall. Has an intensely minty fragrance when handled or crushed.

Delosperma dyeri Red Mountain		Red Mountain Iceplant
Mature Height: 1-2"	Water Requirements: Low	Flower Color: Orange-Red
Mature Spread: 10-12"	Exposure: Sun	Flower Season: Summer
Hardy To: 7,000'	Ground-hugging, succulent leaves form a tight mat with dark, orange-red blossoms produced in the summer.

Oenothera macrocarpa		Missouri Evening Primrose
Mature Height: 1-2'	Water Requirements: Low	Flower Color: Lemon-Yellow
Mature Spread: 18-24"	Exposure: Sun	Flower Season: Mid-Summer
Hardy To: 8,000'	A sprawling clump of slender, dark green leaves topped by large lemon-yellow flowers opening from red-spotted buds in early evening.

Salvia darcyi Vermillion Bluffs		Vermillion Bluffs Mexican Sage
Mature Height: 2-3'	Water Requirements: Medium	Flower Color: Red
Mature Spread: 15-18"	Exposure: Sun	Flower Season: Summer to Fall
	Plant Select
Hardy To: 5,500'	A tender perennial with medium green, textured, arrow-shaped leaves. Produces bright red blossoms throughout the summer and into fall until frost.

Nassella (Stipa) tenuissima		Mexican Feather Grass
Mature Height: 2-3'	Water Requirements: Low	Flower Color: Light Beige
Mature Spread: 1-2'	Exposure: Sun	Flower Season: Spring
Hardy To: 5,500'	A native of Texas and New Mexico, this grass has wiry stems which form large tufts. Soft narrow panicles of flowers appear in June.

Penstemon digitalis 'Husker Red'		Husker Red Penstemon
Mature Height: 2-3'	Water Requirements: Low	Flower Color: Creamy-White
Mature Spread: 18-24"	Exposure: Adaptable	Flower Season: Late Spring to Early Summer
Hardy To: 8,000'	A thick mound of striking reddish-green foliage with erect stalks carrying open spires of white flowers.

Gazania krebsiana Tanager		Hardy Orange Gazania
Mature Height: 3-4"	Water Requirements: Low	Flower Color: Orange
Mature Spread: 8-10"	Exposure: Sun	Flower Season: Spring to Fall
	Keith A. Williamson
Hardy To: 7,500'	Rosettes of very narrow, lobed leaves are glossy, dark green in the summer and purplish in the winter. Daisy-like flowers are an intense orange in color. Tanager blooms from early summer through late autumn. Needs a protected location. May reseed.

Plant descriptions courtesy of Little Valley Wholesale Nursery.

Pictures courtesy of High Country Gardens, Little Valley Wholesale Nursery, Utah Government, City of Loveland, northcreeknurseries.com, georgiaperennial.org, hotgardens.net and ogis.co.jp