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Koeleria macrantha
  • Common name: Prairie Junegrass
  • Zone: 3
  • Exposure: Sun
  • Height x Width: 2' x 1'
  • Native to: Idaho

Prairie Junegrass is a native, perennial, cool season tufted bunch grass , growing  actively when soil temps are cooler in spring and fall. It produces lustrous silver-green seedheads in early summer. The supporting foliage is an attractive green-gray color. June Grass prefers full sun and dry, sandy soil. More information here.

Lamium maculatum
  • Common name: Spotted Deadnettle
  • Zone: 2
  • Exposure: Shade/part shade
  • Height x Width: 3" & spreading
  • Native to: Eurasia

A groundcover that loves shade! Its variegated leaves light up a dark shady area, yet the plant will also grow in sun. Not picky about soil type or moisture.

Leymus cinereus
  • Common name: Great Basin Wildrye
  • Zone: 3
  • Exposure: Sun
  • Height x Width: 5 ft. x 3 ft.
  • Native to: Idaho

Great Basin Wildrye is the largest native Western bunchgrass. Tall and stately foundation plant for the dry garden. Seed heads in late summer .

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Liatris ligulistylis
  • Common name: Rocky Mountain Blazing Star
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 2-3’ x 1’
  • Native to: Montana to New Mexico

Rocky Mountain Blazing Star produces tall  stalks of lavender/purple flowers. This prairie native is a robust grower and does best in fertile soils with infrequent but deep soakings. Nectar plant for Monarch and other butterflies. Excellent cut flower. Firewise.

Liatris mucronata
  • Common name: Bottle Brush Blazing Star
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 24” x 18”
  • Native to: South Central US

Dense spikes of lavender-pink flowers on tall, thick stems. Great pollinator plant. Prefers dry, sandy soil. Firewise.

Liatris punctata
  • Common name: Dotted Gayfeather
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 12-18 in. x 8-12 in.
  • Native to: Short Grass Prairie, Central US

A showy plant for dry gardens or shortgrass meadows, Dotted Gayfeather produces lavender bottlebrushes that bloom from the top down. Deep tuberous taproots account for extreme drought tolerance and long life. Nectar plant for butterflies. Firewise.

 

Limonium latifolium
  • Common name: Sea Lavender
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 10" x 10"
  • Native to: Europe

This dwarf, perennial statice produces a bouquet of airy, blue-lavender flowers in mid-summer. The flowers are lovely in dried arrangements.

Linum lewisii
  • Common name: Lewis Flax
  • Zone: 3
  • Exposure: Sun
  • Height x Width: 1 ft. x 2 ft.
  • Native to: Idaho

Lewis Flax, a vigorous native that produces masses of cheerful little blue flowers from late spring through mid-summer. Each flower lasts only a day, drops to the ground and is replaced by more the next morning. Charming. Pollinators: bees.

Mahonia repens
  • Common name: Creeping Oregon Grape
  • Zone: 4
  • Exposure: sun/shade
  • Height x Width: 2' x 2'
  • Native to: Idaho

Creeping Oregon Grape is a small, evergreen native shrub. Early flowers are a good pollen source for native insects. Tolerant of both sun and shade, firewise. It can propagate by runners with age. Edible fruit used by native peoples. More information here.

Marrubium rotundifolium
  • Common name: Creeping Horehound
  • Zone: 3
  • Exposure: Sun / part shade
  • Height x Width: 1 in. x 18 in.
  • Native to: Mediterranean

Creeping Horehound has showy, fuzzy leaves edged in silver, carefree ground cover with deep taproot. Especially recommended for shade or part shade areas. Evergreen.

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Melampodium leucanthum
  • Common name: Blackfoot Daisy
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 12” x 18”
  • Native to: SW US

Blackfoot Daisy is a cheerful, informal SW native daisy that, with a little extra water, blooms all summer long. More information here.

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Mirabilis multiflora
  • Common name: Colorado Four o'Clock
  • Zone: 4
  • Exposure: Sun/Part shade
  • Height x Width: 3-4 ft. x 3-4 ft.
  • Native to: Southwest US

Colorado Four O’Clock  dies back to its enormous root in winter. Then, late in the spring, shoots begin to emerge and once the plant starts growing—there’s just no stopping it! It can sprawl far and wide and looks lovely draped over a wall. Long-lived!  Firewise. More info here.

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Nepeta mussinii
  • Common name: Catmint
  • Zone: 5
  • Exposure: Sun/part shade
  • Height x Width: 15" x 15"
  • Native to: Mediterranean

A vigorous, long-blooming catmint. An excellent choice for pollinators. Can seed out aggressively. Firewise.

Oenothera macrocarpa
  • Common name: Missouri Evening Primrose
  • Zone: 4
  • Exposure: Sun / Part shade
  • Height x Width: 10 in. x 2-3'
  • Native to: West-central US

Missouri Evening Primrose grows into mounds of glossy leaves followed by clear yellow blossoms over much of the summer. Plants sprawl widely then die back to the ground in winter. Firewise.

 

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Oenothera macrocarpa ssp. fremontii
  • Common name: Fremont's Evening Primrose
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 12 in. x 24 in.
  • Native to: Central US

Fremont’s Evening Primrose produces a dazzling display of lemon-yellow flowers in mid-summer. Blooms are tucked in and around the narrow gray- green foliage. Deeply tap-rooted and long-lived. Needs good drainage. Firewise.

 

Origanum libanoticum
  • Common name: Hopflower Oregano
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 4 in. and spreading
  • Native to: Mediterreanean

Hopflower Oregano is an outstanding mounding or draping plant, producing hundreds of small lantern-like flowers on wiry stems. Terrific for edging, cascading over walls or filling in between larger plants.

 

Paronychia kapela
  • Common name: Silver Nailwort
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 1 in. and spreading
  • Native to: Spain

Silver Nailwort is native to the Pyrenees of southern Europe, Silver Nailwort is a tough-as-nails ground cover that very closely resembles Creeping Thyme. Blooming in late spring, the flowers are insignificant, but the white bracts light up the plant for several months. Turns copper in winter then re-greens in spring.

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Penstemon barbatus
  • Common name: Beardlip Penstemon
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 3 ft. x 2 ft.
  • Native to: Southwest US

Loose spikes of brilliant scarlet tubular flowers with distinctive ‘bearded’ lip. Tough and long-lived. Attracts hummingbirds. More information here.

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Penstemon barrettiae
  • Common name: Barrett's Penstemon
  • Zone: 5
  • Exposure: Sun or Part Shade
  • Height x Width: 12" x 18"
  • Native to: Eastern Oregon

Waxy blue green leaves and large lavender tubular flowers. Semi-woody structure. Prefers part shade. Firewise.

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Penstemon cardinalis
  • Common name: Cardinal Penstemon
  • Zone:
  • Exposure: Sun
  • Height x Width: 2' x 2'
  • Native to: SW US

Tall flower spikes loaded with ruby red flowers.  Eye-catcher. Native to hot, dry sites with well-drained soil. Great for hummingbirds, other pollinators. Firewise. More information here.

Penstemon davidsonii v.davidsonii
  • Common name: Davidson’s Penstemon
  • Zone: 3?
  • Exposure: Sun / Part shade
  • Height x Width: 3 in. x 12 in.
  • Native to: Western US

Davidson’s Penstemon is a choice landscape plant with a low, sprawling woody structure that allows it to function like a ground cover. If given some sun protection in winter it will be completely evergreen. Lavender tubular flowers show up in late spring. Likes well-drained soils. Firewise.

 

Penstemon fruticosus
  • Common name: Shrubby Penstemon
  • Zone: 4
  • Exposure: Sun / Part shade
  • Height x Width: 12-16 in. x 8-12 in.
  • Native to: Idaho

Shrubby Penstemon is an unusual woody, upright, evergreen penstemon with abundant lavender tubular flowers in early summer. Foliage turns soft yellow in autumn with purple-green flower spikelets. Leaves may burn in winter–shade helps. Firewise.

Penstemon fruticosus, dwarf form
  • Common name: Dwarf Shrubby Penstmon
  • Zone: 4
  • Exposure: Sun / Part shade
  • Height x Width: 6-8 in. x 8-10 in.
  • Native to: (Cultivar of native plant)

Dwarf Shrubby Penstemon is a compact version of the native Shrubby Penstemon and quite similar to Davidson’s Penstemon. Gorgeous lavender flowers in late spring. Evergreen mounds are beautiful in winter. Charming! Firewise.

Penstemon pinifolius
  • Common name: Pineleaf Penstemon
  • Zone: 4
  • Exposure: Sun / Part shade
  • Height x Width: 15 in. x 18 in.
  • Native to: Southwest US

Pineleaf Penstemon has loads of red-orange tubular blooms over expanding clumps of attractive narrow leaves. Stems become woody with age. Evergreen foliage. Firewise. More information here.

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Penstemon platyphyllus
  • Common name: Broadleaf Penstemon
  • Zone: 4-5 (?)
  • Exposure: Sun
  • Height x Width: 12-18 in. x 12-18 in.
  • Native to: Nevada

Showy spikes of purple-blue flowers in mid-spring. Flowers are huge and attractive to bees. Firewise.

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Penstemon procerus
  • Common name: Littleflower Penstemon
  • Zone: 3
  • Exposure: Sun or Part Shade
  • Height x Width: 12' x 12'
  • Native to: Idaho

This early blooming penstemon sends up multiple stalks, each with numerous whorls of small tubular flowers. Widespread native. Firewise.

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Penstemon pseudospectabilis
  • Common name: Desert Penstemon
  • Zone: 5
  • Exposure: Sun/part shade
  • Height x Width: 3-4 ft. x 3 ft.
  • Native to: Southwest US

Desert Penstemon can produce loads of shocking magenta flowers in summer. Native to southern Nevada and higher elevation sites in Arizona and New Mexico. Does well in heat and can tolerate partial shade.

Penstemon richardsonii
  • Common name: Richardson's Penstemon
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 30 in. x 30 in.
  • Native to: Eastern Oregon and Washington

Richardson’s is a wonderful and easy Penstemon for filling in spaces in the garden or tumbling down banks on trailing stems. Unlike most penstemons, this one starts blooming late, producing a charming profusion of rosy purple flowers that lasts from early summer nearly until frost. It re-seeds readily and multiplies in the garden. Firewise.

Penstemon strictus
  • Common name: Rocky Mountain Penstemon
  • Zone: 4
  • Exposure: Sun / part shade
  • Height x Width: 24 in. x 24 in.
  • Native to: Mountain West

Rocky Mountain Penstemon has violet-blue flower spikes over leathery foliage. Attracts hummingbirds. Long-lived, reliable bloomer. Forms low evergreen clumps, easy and reliable; deadhead for re-bloom. Pollinators: bees. Firewise.

Penstemon tubaeflorus
  • Common name: White Wand Penstemon
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 2' x 2'
  • Native to: Central, Eastern US

Pure white flowers on tall stems in early summer. This  clump-forming penstemon grows wild on dryish soils in prairies and open woods.  Attractive to hummingbirds, butterflies and bees.

Penstemon venustus
  • Common name: Lovely Penstemon
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 3 ft. x 3 ft.
  • Native to: Idaho

Lovely Penstemon is a vigorous evergreen native penstemon with large, gorgeous tubular lavender flowers in late spring. Cut back seed heads to encourage re-bloom. Pollinators: bees. Firewise.

Penstemon virens
  • Common name: Blue Mist Penstemon, Front Range Penstemon
  • Zone: 4
  • Exposure: Sun / part shade
  • Height x Width: 8 in. x 8 in.
  • Native to: Mountain West

Blue Mist Penstemon or Front Range Penstemon is a dwarf penstemon,  native to the plains and foothills of the Eastern Rockies, often growing in large colonies. In late spring, dainty spikes of lavender-blue flowers rise over evergreen rosettes Likes dry, well- drained soil and is well adapted to garden conditions. Firewise.

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Potentilla fruticosa
  • Common name: Shrubby Cinquefoil
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 2-3 ft. x 2 ft.
  • Native to: Idaho

Shrubby Cinquefoil is a small native shrub covered by small, yellow flowers all summer. Attractive foliage makes this a nice accent plant for sun or partial shade. Attracts bees and butterflies.

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Prunus virginiana
  • Common name: Chokecherry
  • Zone: 2
  • Exposure: Sun
  • Height x Width: 10-15 ft. x 8-10 ft.
  • Native to: Idaho

Chokecherry has profuse racemes of white flowers that turn into edible black fruit. Leaves turn deep glossy red in fall. Freely suckering growth form provides good wildlife habitat, especially for birds. Pollinators: butterflies, bees. Firewise.

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Pseudoroegneria spicata
  • Common name: Bluebunch Wheatgrass
  • Zone: 4-5
  • Exposure: Sun
  • Height x Width: 2' x 2'
  • Native to: Idaho

Bluebunch Wheatgrass, a lower Foothills native bunchgrass, greens up early in the spring. Can see out prolifically. Excellent for reclamation, naturalization.

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Pterocephalus depressus
  • Common name: Carpeting Pincushion Flower
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 2" and spreading
  • Native to: Morrocco

Charming, low-growing rock garden plant or small-scale groundcover. Finely cut evergreen foliage creeps across the ground, sprouting pincushion-like mauve flowers in late spring. Attractive seedhead tufts follow.

Purshia stansburiana
  • Common name: Stansbury Cliffrose
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 5 - 7' x 5 - 6'
  • Native to: Idaho, also: CA, AZ, NV, NM,UT, CO

A stout, upright shrub or subtree growing to head-high or higher. Produces many pale yellow, wildrose-type flowers in the spring, each of which produces five feathery plumes with a seed attached. Related to bitterbrush.

Quercus gambelii
  • Common name: Gambel Oak
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 15 to 20 feet high
  • Native to: Mountain West

The Gambel Oak is a slow-growing large shrub to small tree., often forming a multi-stemmed thickets, Good accent tree with lovely fall color. Glossy leaves; interesting branch patterns in winter. Firewise.

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Ratibida columnifera
  • Common name: Prairie Coneflower. Mexican Hat
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 15” x 18”
  • Native to: Widespread in U. S.

This cheerful wildflower has two forms, one yellow and one red. They both will  bloom over a long period in hot, dry summers, attracting bees and butterflies. Great in meadows and other casual landscapes. Will seed around.

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Rhus trilobata
  • Common name: Oakleaf Sumac
  • Zone: 3
  • Exposure: Sun / part shade
  • Height x Width: 6-8' x 6-8'
  • Native to: Idaho

Oakleaf Sumac is a dense, mid-sized to large shrub, excellent foundation plant. Yellow bloom in spring and nice orange-yellow leaf color in fall. Female plants can yield a tart fruit traditionally used to make a lemony drink. Deciduous. Good bird habitat. Unrelated to poison sumac. Firewise. More information here.

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