Among the most exuberantly blooming plants this side of the Mississippi, Penstemon are part of the enchantment of the West. A member of the Snapdragon family, even cultivated varieties retain a natural air, with dainty, long trumpet flowers and 5 (pent) prominent stamens. Sturdy and easily cultivated, species usually range from 1 to 3 ft. tall, and vary in color from white to pink to purple to deep wine-red to blue—one for every sunny spot. Trim after the first bloom to encourage a repeat flowering, and cut to the crown in autumn for strong growth next season.
Beckoning gardeners, butterflies and hummingbirds, deep pinkish violet blossoms with magenta-streaked white throats open nonstop from midsummer through autumn. The abundant tubular-shaped blooms populate prismatic upright spires bolstered by a dense lustrous footing of pointed, slender green leaves. Ideal for cut arrangements and colder regions, ‘Sunburst Amethyst’ requires minimal care, endures dry conditions and works well in the rockery, a favored container or near a border’s front lines.
Blooms late July–October
Size: 20" high x 20" wide.
Hardy to zone 5.
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Other selections in this genus:
- Penstemon ‘Alice Hindley’
- Penstemon ‘Bev Jensen’
- Penstemon ‘Blackbird’
- Penstemon ‘Blue Midnight’
- Penstemon x iapas x ‘Hidalgo’
- Penstemon ‘Dark Towers’
- Penstemon ‘Elizabeth Cozzens’’
- Penstemon ‘Enor’
- Penstemon ‘Firebird (Ruby/Schoenholzeri)’
- Penstemon ‘Garnet’
- Penstemon ‘Geoff Hamilton’
- Penstemon ‘Ghent Purple’
- Penstemon ‘Gilchrist’
- Penstemon gloxinioides ‘White Bedder’
- Penstemon heterophyllus ‘Züriblau’
- Penstemon ‘Hidcote Pink’
- Penstemon ‘King George V’
- Penstemon x mexicali ‘Pike’s Peak Purple’
- Penstemon x mexicali ‘Psmyers’
- Penstemon x mexicali ‘Red Rocks’
- Penstemon x mexicali ‘Sunburst Ruby’
- Penstemon ‘Port Wine’
- Penstemon ‘Purple Tiger’
- Penstemon ‘Raven’
- Penstemon ‘Schoenholzeri’
- Penstemon ‘Stapleford Gem’
- Penstemon ‘Thorn’
- Penstemon ‘Violet Kissed’
- Penstemon virgatus ‘Blue Buckle’