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Penstemon eatonii
  • Common name: Firecracker Penstemon
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 40 in. x 24 in.
  • Native to: Southwest US

Firecracker Penstemon bears tubular, bright scarlet flowers over dark green basal leaves. Prefers poor to moderately fertile, well drained soil and full sun. Great for dry desert-scapes. Pollinators: hummingbirds and bees. 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 grandiflorus
  • Common name: Large Flower Penstemon
  • Zone: 3
  • Exposure: Sun
  • Height x Width: 2-3' x 1'
  • Native to: Midwest

One of the showiest of all North American native Penstemons, Penstemon grandiflorus can reach heights of three feet with stunning pink to purple flowers. The plant’s beautiful vertical structure and succulent gray-green foliage, make it a very unique Penstemon. Firewise.  More information here.

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.

Philadelphus lewisii
  • Common name: Syringa, Mock Orange
  • Zone: 4
  • Exposure: Sun / part shade
  • Height x Width: 4-10 ft. x 6-8 ft.
  • Native to: Idaho

Syringa or Mock Orange is a deciduous shrub with lovely four petaled flowers, incredible fragrance. In the wild, Syringa grows in variety of habitats, from streambanks to lava flows. Can adjust to very low water sites. Idaho state flower. Firewise. More information here.

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.

Rosa woodsii
  • Common name: Woods Rose
  • Zone: 3
  • Exposure: Sun / part shade
  • Height x Width: 4 ft. x 4 ft.
  • Native to: Idaho

Woods Rose has fragrant, pink rose flowers which profusely bloom. A freely suckering native. Can bloom in full shade as well as full sun.

Saponaria ocymoides
  • Common name: Rock Soapwort
  • Zone: 3
  • Exposure: Sun
  • Height x Width: 8" x 12-18"
  • Native to: Europe

Rock Soapwort is a vigorous, mounding plant, covered with small pink flowers in the spring. Beautiful for edging a sunny border or spilling over rock walls or the edges of large planters. To maintain a compact habit, prune plants back hard immediately after blooming. Firewise.

Sidalcea neomexicana
  • Common name: New Mexico Checkermallow
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 2’ x 1’
  • Native to: Western US, including Idaho

This native Checkermallow is a charming wildflower sporting dozens of small hollyhock-like blooms. Found in the wild in moist meadows, but it does well in moderately irrigated gardens. Supports native pollinators.

Solidago canadensis
  • Common name: Canada Goldenrod
  • Zone: 3
  • Exposure: Sun/part shade
  • Height x Width: 2' x 2'
  • Native to: Idaho

This widespread native is an excellent pollinator plant, as well as being extremely drought tolerant once established. Its only drawback is that it spreads by root and can be quite aggressive in a well-watered garden.

Sphaeralcea coccinea
  • Common name: Scarlet Globemallow
  • Zone: 4-5
  • Exposure: Sun
  • Height x Width: 6-8" and spreading
  • Native to: Intermountain West, including Idaho

This low-growing Globemallow travels by root and colonizes very dry areas with poor soil. Tolerates clay. Flower color can vary from orange to red. More information here.

Sphaeralcea grossulariifolia
  • Common name: Gooseberry Globemallow
  • Zone: 4
  • Exposure: Sun
  • Height x Width: 2-3 ft. x 2-3 ft.
  • Native to: Idaho

Gooseberry Globemallow’s red-orange flowers bloom in spring & summer. Attracts all kinds of native pollinators.

Tanacetum densum
  • Common name: Partridge Feather
  • Zone: 4
  • Exposure: Sun / part shade
  • Height x Width: 6 in. & spreading
  • Native to: Mediterranean

Partridge Feather is a low-growing, no-care tough, grey-green groundcover with lovely feather-shaped leaves. Good for sun or part shade, little water. Evergreen.

Veronica incana
  • Common name: Silver Speedwell
  • Zone: 3
  • Exposure: Sun
  • Height x Width: 10 in. x 15 in.
  • Native to: Eurasia

Silver Speedwell has deep purple/blue flowers in early summer on 10” flower spikes over attractive gray-green foliage. The evergreen foliage serves as a small-scale groundcover.

Yucca angustissima
  • Common name: Narrowleaf Yucca
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 2' x 2'
  • Native to: SW US

Slow-growing, evergreen. Great foundation plant for the xeric garden. Needs no water once established. Do not confuse with the locally common Yucca filamentosa. Firewise and evergreen.

Yucca harrimaniae
  • Common name: Harriman's Yucca
  • Zone: 5
  • Exposure: Sun
  • Height x Width: 1-2' x 1-2'
  • Native to: SW US

Short, chubby Yucca. Great foundation plant for the xeric garden. Needs no water once established. Evergreen. Do not confuse with the locally common  Yucca filamentosa. Firewise.