Appearance
The leaves are broadly oval, toothed and 7–15 cm long. In late summer it bears large conical panicles of creamy white fertile flowers, together with pinkish white sterile florets.
Naming
It was first formally described by Philipp Franz von Siebold in 1829.
Cultural
In cultivation it is pruned in spring to obtain larger flower heads. Numerous cultivars have been produced, of which "H. paniculata Pink Diamond" 'Interhydia' has gained the Royal Horticultural Society's Award of Garden Merit."H. paniculata" is sometimes smoked as an intoxicant, despite the danger of illness and/or death due to the cyanide present as cyanogenic glycosides.
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