'C. 'Vyvyan Pennell'' clematis Description
Photo courtesy of Marleen Spaens
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Early Large Flowered, Group 2.
Mauve. Average diameter 7". Single, double bloom form. Late spring to early summer, early autumn.
Height of 6' to 10' (185 to 305 cm).
USDA zone 4b through 9b. Plant in sun or partial shade. Disease susceptibility: clematis wilt. This plant blooms twice. It blooms on the previous year's growth, so resist the urge to prune it in early spring. It will bloom a second time on new growth.