| Common Name | Penstemon |
|---|---|
| Family | Scrophulariaceae |
| Genus | Penstemon |
| species | hybrid |
| Plant Type | Perennial |
| US Patent # | PP20013 |
| EU Grant # | EU27485 |
| Bloom Time | July, August |
| Flower Color | Pink |
| Foliage Color | Green, Purple, Red |
| Dormancy | Required |
| Exposure | Full Sun |
| Growth Habit | Upright |
| Growth Rate | Fast |
| Hardiness Zone | 3, 4, 5, 6, 7, 8 |
| How Different? | It has much darker foliage that 'Husker's Red' and pink rather than white flowers. |
| Landscape Value | Mixed beds and borders. |
| Most Active Growing Season | Spring |
| Persistence | Deciduous |
| Size (HT/W/FL HT) | 33" / 30" / 36" |
| Soil (Garden) | Average, well drained. |
| Water (Garden) | Average |
| Special Uses | Cut Flower, Deep South, Deer Resistant, Pollinator Attractor |
| Comments | Easy to grow. Very attractive in spring and summer. Much nicer than P. 'Husker's Red'. |
Penstemon ‘Dark Towers’
Glossy bronze-red foliage is topped with masses of pink flowers in July and August. Compared to 'Husker's Red', this beauty has much darker foliage which stays darker. Dale Lindgren of University of Nebraska created this dark leaf ultra-hardy, pink flowering form. A tough, carefree plant which tolerates high heat and humidity. A perfect dark background plant for the border.
USDA Hardiness Zone(s): 3-8
Size (HT/W/FL HT): 33″ / 30″ / 36″
Exposure: Full Sun
Bloom Time(s): July, August
| Water (Greenhouse) | Dry moderately between waterings. |
| EC | 1.8 – 2.2 |
| pH | 5.5 – 7.0 |
| Fertility Needs | 150 – 200 ppm |
| Notes | Growing-on temps- 65°F-75°F / day & 60°F-65°F /nights. Vernalization does not impact flowering. |
| Finish Time to 4″ | 4 – 6 weeks |
| Finish Time to Gallon | 6 – 8 weeks |
| Day Length for Flowering | Day Neutral |
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