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Large flowers, inside deep violet to blue-purple, sometimes with paler bar veined with purple, outside with wide white bar. Early flowers are sometimes semi-double. Filaments white; anthers pale yellow to creamy white. Seedheads persistent.

The name means 'white royal crown'. Introduced into the U.K. by Jim Fisk in 1971. Magnus Johnson in Slaktet Klematis suggests that 'Hakuokan' (sic) was raised by Esio Kubota.

Group: Early large-flowered group
Approximate height: 2.0 - 3.5 metres
Flowering period(s): May Jun | Aug Sep
Aspect: Sun or semi-shade
USDA zones: 4 5 6 7 8 9
Pruning: Light prune (Group 2)
Raised by: Yoshio Kubota
Country of origin: Japan
Date raised: b1957
Parentage: The President x unknown
Other name(s): 'Hakuokan'; 'Haku-├┤kan'; 'Hakuohkan'; 'Haku Ookan'; 'Hakuookan'; Wrongly: 'Haku-okan'

Further detail:

Flower diameter: (12-) 15-18 (-20)cm
Tepals: 7-8; lanceolate, overlapping, pointed, margin somewhat wavy

People:  Click the name(s) for information about:

Jim Fisk