- Large spectacular flowers
- Long flowering period
- Easy to grow and hardy
- Trim after flowering in late autumn
- Prefers full sun
Exquisite velvet purple flowers appearing from mystical almost black buds gives this variety top accolades! A stunning perennial with so many attributes. Continuously flowering from Spring through to the first frosts. It will quickly rebloom after trimming. Cold hardy to -5 but, will die down in winter. Avoid damp spots in winter. Prefers full sun to part shade.