This is a lovely species from the mountainous western states of the USA, where it decorates the hillsides with compact clumps of white-throated, pale puple tubular flowers in spring and early summer. (Click for more details)

Penstemon caespitosus forms can vary from around 2" to 12" and this is one of the larger selections, making a low compact clump, which produces countless white-throated, purple-blue tubular flowers on short stems in spring and early sum... (Click for more details)

Beetroot coloured stems and foliage form a superb background to the swaying stems of rosy-lipped, palest pastel pink tubular flowers. Imposing and unusual. (Click for more details)

A completely new dwarf variety with bright red, flared tubular flowers held on short stems which are held well above the compact basal clump. (Click for more details)

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. (Click for more details)

Still undoubtedly the finest red penstemon. Profuse sunset red flared trumpets throughout summer and autumn. (Click for more details)

Vigorous multi-stemmed plants carry heavily packed heads of large purple-mauve flowers. Forms large, impressive clumps with a prolonged flowering period. (Click for more details)

One of the most flamboyant of all penstemons, this semi-evergreen, bushy perennial carries dense sprays of flared, white centred, scarlet-red tubular flowers from mid summer to autumn. (Click for more details)

Collected in Mexico below the summit of Cerro Potosi, at over 11,000 ft. with winter temperatures to nearly -30 C. (PC&H 148) A very long season of stubby, flared white trumpets, delicately brushed purple on top. (Click for more details)

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. (Click for more details)

This compact new plant produces many tight trusses of bright purple-blue tubular flowers, which are much loved by bees and butterflies, on a compact shrubby clump. If pruned back in early spring it will delight for years to come. (Click for more details)

One of the all-time favourites, this lovely plant provides a summer-long succession of truly wonderful lilac-blue flowers, mottled with blush pink, which are carried on strong upright stems, forming a good solid, bushy plant which will improve ove... (Click for more details)

A wide selection from this increasingly popular group of plants, including both rockery and border varieties in all colours, e.g. Penstemon cardinalis, fruticosus, procerus, serrulatus, montanus, ovatus, venustus, virens and many more. (Click for more details)

A new and completely hardy, long-flowering plant, which produces from early summer into late autumn a seemingly endless succession of white throated, bright red flowers. (Click for more details)

A medium stature penstemon bearing attractive mauve flowers on relatively short stems in mid summer. (Click for more details)