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

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

Spikes of bright blue funnel-shaped flowers, dramatically flared at the end, open in whorls along stems covered in ash-colored hairs. This drought-resistant plant grows in open sagebrush scrub, juniper woodlands and rocky ridges, into very high elevations in the wild. ... 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

This semi-evergreen perennial opens its purple bell shaped flowers, all beautifully-marked in the throat, over a prolonged period in early and mid summer. Coming from Mexico, it prefers a sandy well drained soil in full sun or part shade. It is completely hardy as long as it is not planted in boggy soil! ... Learn More

Two-lipped, ivory-white flowers with protruding and contrasting black anthers open from June to September. This drought-tolerant plant attracts butterflies and bees and is perfect for a hot garden or a rocky or sandy very well-drained spot. Few seeds. ... Learn More