about

Clematis ‘Jackmanii’ was introduced in 1858. In 1863 it was awarded the Royal Horticultural Society's First Class Certificate. Over a hundred years later, it was given the RHS Award of Garden Merit. A late flowering Clematis producing masses of velvety single dark purple flowers which fade to violet as they mature.

HEIGHT | 10-12 FT.
SPACING | 36-48 IN.
HARDINESS | ZONE 4A-9B
PRUNING | GROUP 3