Viburnum
viburnum
5 species
2 subspecies and varieties
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Viburnum edulesquashberry
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, across Canada, the Great Lakes area, and further east to northeastern North America.
Habitat: Moist woods and swamps.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Viburnum ellipticumwestern blackhaw, oval-leaved viburnum
Distribution: Occurring west of the Cascades crest chiefly along the southern border in Washington; southern Washington to northern California.
Habitat: Thickets, bottom lands, and open woods at low to middle elevations.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Viburnum lantanawayfaring-tree
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Washington and Montana, also in eastern North America.
Habitat: Disturbed thickets, riparian forest, and forest edge.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Perennial
Viburnum opuluscranberry-bush, high-bush cranberry
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east across Canada and the northern U.S. to the Atlantic Coast.
Habitat: Moist woods at low to moderate elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
var. americanum – American cranberry-bush, American high-bush cranberry
var. opulus – European cranberry-bush, European high-bush cranberry
Viburnum tinuslaurustinus
Origin: Introduced