The large velvet purple flowers of Clematis 'Jackmanii Superba' bloom in June to September and will rebloom dependably. The classic large purple Clematis.
Group A: Benefits from a light pruning in late winter or early spring, followed by a light pruning after the summer bloom period. The second pruning encourages the large flowered cultivars to rebloom in late summer.
USDA Hardiness Zone
Future Crop Ready Date
Clematis Jackmanii Superba #2 on Trellis (velvet-purple)