Late Season Color – Makes a Great Groundcover!Clematis Jackmanii, Clematis ‘Jackmanii Superba’, is known to be an improved Clematis ‘Jackmanii’ with its broader petals and deeper rich purple color when flowers first open.The 5″ flowers transition from deep purple to a lighter violet with age. ‘Jackmanii Superba’ is an excellent cultivar for later season color – blooming from midsummer to early fall. Jackmanii can also be used as a ground cover!Clematis ‘Jackmanii Superba’ is easy to grow in a rich, porous, alkaline soil with plenty of room for the roots to spread. Clematis perform best perform when the tops are in full sunlight and the roots are shaded. Apply mulch or plant a shallow rooted groundcover to keep the roots cool and shaded.Flowers are produced on new growth so prune this plant back to 1 to 2 feet in late winter or early spring.* Profusion of Purple Flowers* Flowers Fade From Deep to Light Purple* Blooms Mid Summer Through Fall Pruning & Training Clematis.