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‘Dark Towers’ is a clump-forming penstemon that typically grows 1.5-3’ tall. It is noted for its pink flowers and dark wine-red foliage. Two-lipped, tubular, pale pink flowers (each to 1.5”) in loose terminal racemes bloom from late spring into summer atop erect, rigid, leafy stems. Foliage (oblong to ovate basal leaves and lance-shaped stem leaves) are an attractive dark maroon/wine red. Foliage generally retains good color throughout summer. (Courtesy of Missouri Botanical Gardens Plant Finder)
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Easily grown in average, dry to medium, well-drained soils in full sun. Plants have some tolerance for drought, summer heat and humidity. Avoid wet, poorly-drained soils. Remove spent flowering racemes to prolong bloom. Plants may be cut back to basal foliage after flowering to improve appearance of the planting. Plants in cold winter climates often benefit from a loose winter mulch. (Courtesy of Missouri Botanical Gardens Plant Finder)
| Common Name | Black Towers Beardtongue |
|---|---|
| Height | 1.5 to 3 ft. |
| Botanical Name | Penstemon 'Dark Towers' |
| Container/Amount | 1 gallon |
| Evergreen or Deciduous | Deciduous |
| Hardiness Zone | 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b |
| Growth Rate | Average |
| Light Requirements | Sun |
| Width | 12-24" |
| Soil Condition | Well-drained |
| Water Needs | Average |
| Blooming Period | early summer |
| Flower Color | pale pink |
| Fragrance | No |
| Foliage Color | Wine red |
| Deer Resistant | Yes |
