This lovely blue-purple penstemon with thick bluish green leaves is native to the foothills and middle elevations of the Sierras where it thrives in sun to part shade with good drainage. It is drought tolerant and more importantly, one of the more garden tolerant ones. Refined, neat, and tidy, in warmer countries it will attract hummingbirds if you place it on or in a rock wall ... Learn More

Penstemon caespitosus forms can vary from around 2" to 6", making a low compact clump, which produces countless white-throated, purple-blue tubular flowers on short stems in spring and early summer. Fabulous on a rockery! ... Learn More

This very rare but surprisingly easy-to-grow species, bears densely crowded spikes of a true lemon-yellow, making it the only genuinely yellow penstemon. In the wild it grows locally in moist open or wooded places, sometimes in meadows or by streams, and in lowlands and foothills in the Rockies, as well as in Montana and Alberta to British Columbia, Oregon and the Wenatchees of Washington. Very few seeds collected. ... Learn More

A very desirable plant, with dense, compact, spreading mats of tiny green leaves carrying heads of large violet snapdragon flowers in early summer. It looks good whether trailing over the edge of a stone trough or in a selected spot on the rock garden in sun and well-drained soil. ... Learn More

New and discovered here! Sprays of lilac-pink tubular flowers open on shortish stems clad in golden yellow leaves, which age to burnished bronze in bright sunshine, and incredibly do not scorch in the sun. This extremely lovely plant was discovered here as a foliage sport some years ago, and subsequent seedlings slowly re-selected until the plants come acceptably true from seed. A brand new and novel foliage penstemon, and possibly the best discovery since the darker leaved variety, Husker's Red, was discovered, with which it makes a perfect companion. One image shows both for comparison. ... Learn More

Beetroot-coloured stems and foliage form a superb background to the swaying stems of rosy-lipped, palest pastel pink tubular flowers. This imposing and unusual-coloured foliage plant may be seen at its best where it can contrast with other paler flowers. ... Learn More

Prized for its elegant pink, white lipped tubular flowers set against a vibrant burgundy foliage, 'Ruby Dusk' is a real show stopper! The foliage maintains its rich, dark color throughout the growing season, providing a stunning contrast to the bright pinkish-purple blooms that appear in late spring to mid-summer. These nectar-rich flowers attract bees, butterflies, and hummingbirds, making it a pollinator-friendly choice for sunny borders or rock gardens. Thriving in full sun and well-drained soils, Penstemons are drought-tolerant, low-maintenance plants ideal for xeriscaping or mixed pere ... Learn More

Two-lipped lavender flowers with long purple hairy stamens open in June to September. This scarce, drought-tolerant plant, that attracts butterflies and bees, is perfect for a hot garden or a rocky or sandy, very well-drained spot. ... Learn More

The "Glaucous Beardtongue" grows on dry forested slopes on the Western coast of the USA, where it covers the ground with low, glaucous-leaved hummocks bearing true-blue, yellow-bearded flowers, in tight trusses. ... Learn More

Native to the eastern Canada and the United States, this attractive and-easy-to-grow perennial species has hairy stems (hence its species name, hirsutus) bearing leaves which are opposite and stalkless. Numerous purple-blue and white trumpet flowers open over an extended period in early and mid summer. This is a very versatile penstemon for full sun to full shade and medium wet to dry soils. ... Learn More

Another of the easier, drought tolerant penstemons, this one forms a lowish mat of leathery dark-green leaves, with upright stems bearing tubular, pure white flowers. It make a very showy early summer display in the rock garden, foliage turning an attractive bronze-red colour in winter. ... Learn More

This is a lovely bright form of this species from the mountainous western states of the USA, where it decorates the hillsides with compact clumps of white-throated, pale purple, tubular flowers in spring and early summer. ... Learn More

This rare and tiny plant has long pale purple tubular flowers, darker on top, in early summer. Making a compact cushion of small-leafed stems, it is ideal for a small rock garden or pot on the porch, and although bone hardy from the cold, it prefers a dryish, wel-drained spot. ... Learn More

Mounds of purple-tinted leaves are soon decorated in spring by long, thin, pink trumpets with white flared mouths opening on striking, purple, thin, dividing stems. When grown with no surrounding competition this dwarf plant makes a superb specimen. ... Learn More

An exquisite introduction from Idaho/Montana. A compact overwintering rosette sprouts forth many branching stems heavily laden with large, slightly squashed, deep lavender blue flowers. Long flowering in midsummer. ... Learn More