Large, single, deep purple-black flowers that stand tall on sturdy stalks. A true perennial - not biennial.
| Scientific Name: | Alcea rosea 'Black Knight' |
| Zone: | 3 |
| Light: | Sun to Light Shade |
| Height: | 60" |
| Width: | 2-3' |
| New Shape: | Upright |
| Foliage: | Green |
| Flower: | Deep purple |