A printed copy of them will be available upon request.
Penstemon
Beard Tongue
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 maintained, 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 back in autumn for strong growth next season.
Penstemon ‘Dark Towers’ (P-1944)
Each 10.50
Well-respected Penstemon breeder Dale Lindgren of the University of Nebraska originally bred ‘Husker’s Red’ and now he brings us ‘Dark Towers’, a remarkable Penstemon ‘Husker’s Red’ and Penstemon ‘Prairie Splendor’ prodigy. A vast improvement over his initial introduction, this resolute hummingbird hero delivers darker lance-shaped, plush burgundy foliage and rigid deep purple stems plus regal upright towers, which are openly arranged with abundant tubular pink flowers. The ultrahardy low-maintenance clump can be added to borders, cottage gardens or informal settings, maintaining its opulent coloration during warm summer weather, but pouting in poorly drained soil. (PP#20,013)
Blooms May–June
Size: 2' 0" – 3' 0" high x 12" – 2' 0" wide.
Hardy to zone 3.
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Other selections in this genus:
- Penstemon ‘Alice Hindley’
- Penstemon ‘Bev Jensen’
- Penstemon ‘Blackbird’
- Penstemon ‘Blue Midnight’
- Penstemon sp. (chiapas x ‘Hidalgo)’
- 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 x mexicali ‘Pike’s Peak Purple’
- Penstemon x mexicali ‘Psmyers’
- Penstemon x mexicali ‘Red Rocks’
- Penstemon x mexicali ‘Sunburst Amethyst’
- 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’
