Clematis ‘Haku Ookan’ (1957) is truly unique. ‘Haku Ookan’ is a rich violet double Clematis with elegant thin, tapered petals. These are produced as single blooms on the second flush, but the contrasting white stamens still make it a showstopper.

Flowers 5-7” wide / blooms May-June & Sept / grows 6-9’ tall (2-3m) / sun to part shade / Pruning Group B1 / USDA zone 4 / 1-gallon pot

📸 Clearview Horticultural Products