Clematis Haku-Okan

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".


Haku-Okan characteristics

Growing

  • Gardening skill: Suitable for beginners
  • Flowering duration: Long
  • Height after 10 years: 2.5m-3.5m / 8ft-12ft
  • Growth habit: Climbing
  • Spread after 10 years: Less than 1m / 3ft

Climate

  • Cold hardiness (RHS): H6 (to -20C)
  • Cold hardiness (USDA): (6) -10F / -23C

Identification

  • Country of origin: Japan
  • Flower colour: Purple
  • Flowering month: June September
  • Flower form: Single flower (5-8 petals)
  • Leaf colour: Green
  • Leaf colour - young: Green
  • Leaf colour - autumn: Yellow
  • Annual cycle: Deciduous