Clematis x Jackmanii 'Superba' JACKMAN'S SUPERBA CLEMATIS

Clematis x Jackmanii 'Superba' JACKMAN'S SUPERBA CLEMATIS

10-12 ft. (Zone 4)  Improved form of 'Jackmanii', 'Jackmanii Superba' displays more profuse, slightly larger flowers of velvet purple. Blooming late spring-early fall.