Dahlia Black Jack
- Dramatic dark blooms add garden depth
- Blooms throughout summer with regular attention
- Easy tuber planting with simple care
Dahlia 'Black Jack' creates a striking display with its dramatic, dark blooms that add depth to any garden setting. Supplied as dormant tubers (not growing plants). Plant tubers 10–15cm deep and 30–40cm apart in well-drained soil after the last frost for best results.