'Haku-ōkan' clematis Description
Photo courtesy of Calif Sue
Violet. 7 to 8 petals. Average diameter 7". Single, curved edge bloom form. Late spring to early summer, late summer.
Height of 6' to 8' (185 to 245 cm).
USDA zone 4b through 9b. Sheltered. It blooms on the previous year's growth, so resist the urge to prune it in early spring.
If you know the parentage of this clematis, or other details, please contact us.