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Rhus verniciflua Cultivation | Propagation | General Uses Cultivation Notes: Succeeds in a well-drained fertile soil in full sun[11, 200]. One report says that this species is only hardy ito zone 9 (tolerating only occasional light frosts)[200] but there are large healthy trees at Cambridge and Edinburgh Botanic gardens, and both sites had fruiting trees in September 1989[K]. Plants have brittle branches and these can be broken off in strong winds[200]. Plants are also susceptible to coral spot fungus[11]. Plants in this genus are notably resistant to honey fungus[200]. Cultivated for its lacquer in the warmer areas of Japan[58, 109]. Many of the species in this genus, including this one, are highly toxic and can also cause severe irritation to the skin of some people, whilst other species are not poisonous. It is relatively simple to distinguish which is which, the poisonous species have axillary panicles and smooth fruits whilst non-poisonous species have compound terminal panicles and fruits covered with acid crimson hairs[1, 4]. The toxic species are sometimes separated into their own genus, Toxicodendron, by some botanists[200]. Partly dioecious. Male and female plants must be grown if seed is required. For further Rhus verniciflua gardening information |
