Blackbeard Penstemon (Beardtongue)
Dark purple flower stems hold its lilac purple flowers with their white flaring tubes high above the low mound of deep eggplant purple leaves. Attractive dark burgundy seed pods follow the flowering performance for extended seasonal interest. ‘Blackbeard’ stays strictly upright all season long with no lodging.
- Height: 28 to 34 inches
- Spread: 24 inches
- Exposure: Full Sun
- Zone: 3-8