Penstemon digitalis 'Dark Towers' (Dark Towers Beardtongue)
Botanical Information
| Family | Plantaginaceae |
| Genus | Penstemon |
| Species | digitalis |
| Cultivar | 'Dark Towers' |
| Category | Perennials |
Description and Growing Information
| Notable Specimens | Whistling Gardens, Wilsonville, Ontario, Canada. |
| Habitat | Horticultural origin. |
Photographs
