Greek Yarrow is a slow-growing, tidy, dense evergreen ground cover. This beauty is a reliable heavy-bloomer bearing bright white clusters of tiny flowers for many weeks in late spring. Attracts bees and butterflies.
Woolly Yarrow is a low growing evergreen ground cover forming loose clumps of charming, fuzzy grey-green leaves.Clusters of cheerful yellow blossoms pop up in late spring. Attracts bees and butterflies.
A natural hybrid from Bulgaria, this unusual and charming miniature yarrow produces clumps of small white flowers over carpets of attractive silvery leaves. Expanding gradually by root, this plant can form loose colonies.
Persian Stonecress forms handsome tight mounds of unusual deep blue-green foliage which is completely evergreen. The plant is covered with cheerful pink blossoms in late spring to early summer.Can seed out fairly aggressively.
This compact Agastache, or ‘Hummingbird Mint’ bears dozens of upright stalks of purple tubular flowers which–of course!–attract hummingbirds. Because of its compact form, it can be used to create spectacular small ‘hedges’, bringing color to the late summer garden.
Threadleaf Giant Hyssop has numerous spikes of uniquely-colored orange-purple tubular flowers over fragrant, finely divided leaves. It blooms in the heat of mid-summer and persists into fall. Outstanding hummingbird plant and nectar source for bees. More info here.
Mountain Alyssum is one of the earliest of the spring bloomers. Bright right yellow flowers over attractive, low gray-green mats of small oval leaves. Nice for rock gardens, front of borders. Pollinators: bees and butterflies. Can seed out.
Pearly Everlasting is a sturdy, undemanding native wildflower that can be grown in dramatic drifts in sun or part shade.Hundreds of glowing, white flowers atop woolly, erect stems account for its “pearly” appearance. Fine food source for butterflies. More info here and here.
Littleleaf or Rosy Pussytoes is a very low growing, tight groundcoverwith pinkish “pussytoe” blossoms in late spring. Spreads nicely around garden rocks and thrives in dry sunny areas with poor, well-drained soil. Retains grey-green leaves all winter.
Amazingly tight, hard mats of silver-green triangular foliage are sprinkled with tiny white flowers in late spring. A fine and rarely available alpine from Spain. Exquisite rock garden plant, evergreen.
Mountain Sandwort is a classy little alpine or rock garden plant. It forms a low evergreen cushion of dark green leaves, bearing loads of large white flowers during the spring and early summer. Great for edging paths, between flagstones, in walls or rock gardens. Evergreen.
Fringed Sage is a low growing sagebrush relative forming mats of frilly grey-green leaves, giving rise in summer to foot-high fringed seed-stalks. Trim off seed-stalks to maintain as an ornamental ground cover with good color year- round.
Narrow Leaf Milkweed, native to Southern Idaho, is smaller and more drought-tolerant than the better-known Showy Milkweed. Mauve-pink flowers emerge in mid-summer. With extra water, bloom time is extended. Host plant for Monarch butterflies.
Despite its common name, the flowers of Sky Blue Aster are more lavender than blue. But this Aster puts on a brilliant show in fall, each plant covered with hundreds of beautiful blooms. Growing well in almost any soil, from dry sand to moist loam, it attracts butterflies and bees.
Snow Flurry is a fall-blooming Aster that creates low-growing dense ground cover carpeted with tiny white flowers in September and October. A good strong grower and a totally new look and use for Asters! Makes an excellent container plant. Cut back in spring. Attracts native bees, honeybees and butterflies.
Blue Grama can be used as a xeric lawn grass or as a stand alone specimen grass. Unmowed, it forms a tight mound with interesting and graceful seedheads that look a bit like bushy eyebrows waving above the mound by mid-summer. It could star as an accent in a flower bed or naturalized meadow setting. To avoid aggressive seeding, cut back seed heads in fall.
Winecups or Purple Poppy Mallow has striking wine colored blooms on prostrate stems which wind along the ground in and around other plants. Tough and long blooming, it prefers well-drained soil. Pollinators: native bees.
Hartweg’s Sundrops produces masses of cheerful, clear yellow blossoms throughout the heat of the summer and into fall. The yellow blooms age into burnt orange creating a two-tone effect. Easy-and reliable. Needs well-drained soil. Attracts: butterflies and bees.
Jupiter’s Beard produces masses of crimson flowers fading to pink from late spring right through the summer. Periodic deadheading will enhance the bloom even more. Attracts Swallowtails and Monarchs. Can seed out somewhat aggressively.
Snow-in-Summer is a lovely evergreen groundcover, attractive even in winter. The fine silvery foliage is covered with masses of white blooms in late spring. No pruning necessary, but faded flowers may be sheared.
Mountain Mahogany is an attractive evergreen, large shrub to small tree with spreading open crown of thick, twisted branches and furrowed reddish brown bark This beautiful Owyhee County native will tolerate heavy pruning and is browsed into beautiful bonsai-like shapes in the wild. More information here.
Yellow Bee Plant is a smaller cousin of the purple Rocky Mountain Bee plant, Both of these annuals are extremely valuable as food sources for native bees and butterflies as well as honeybees. Very long-blooming and freely reseeding in the garden. Available spring only.
This outstanding native annual is a magnet for honey bees and native bees alike! Tall stalks end in multiple flowers that look as if they were designed by Dr. Seuss. Once it starts blooming in early to mid-summer, Rocky Mountain Bee Plant just keeps going until fall. More information here.
Purple Prairie Clover produces lovely purple bottle-brushes on erect stems. Perfect specimen plant or as part of a meadow or prairie planting. Long-lived, with a deep taproot. Often found on eroded, depleted soils, including caliche. Supports bees and butterflies and fixes nitrogen.