Of Japanese origin Clematis 'Haku-Okan' has beautiful, large, deep, purple-violet flowers with a prominent creamy-white centre during May, June and September.
This non-evergreen climber can be grown against a trellis, garden fence, wall, arches, pillars, pergolas, clambering over tree stumps and through large shrubs or planted in a container trained up bamboo canes or an obelisk.
Clematis Haku-Okan' was raised by Esio Kubota of Japan. The name means "white royal crown".