'Henryi' clematis Description
Photo courtesy of Shelley H
White. 8 petals. Average diameter 8". Single, overlapping bloom form. Late spring to late summer, midsummer to midautumn.
Height of 10' to 12' (305 to 365 cm).
USDA zone 4b through 9b. Plant in sun or partial shade. sheltered. suitable for growing through trees. It blooms on the previous year's growth, so resist the urge to prune it in early spring. In early spring, cut back to just above the lowest set of healthy buds.