Page author: David Giblin
Hypericum boreale
northern St. John's wort

Distribution: Occurring west of the Cascades crest in Washington; southwestern British Columbia to California.

Habitat: Coastal shores, damp sand, peatlands, ditches, and cranberry farms.

Flowers: May-July

Origin: Introduced from eastern North America

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies, wasps


[none provided]

Accepted Name:
Hypericum boreale (Britton) E.P. Bicknell
Publication: Bull. Torrey Bot. Club 22(5): 213. 1895.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Hypericum boreale in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Hypericum boreale checklist entry.

OregonFlora: Hypericum boreale information.

E-Flora BC: Hypericum boreale atlas page.

CalPhotos: Hypericum boreale photos.

USDA Plants: Hypericum boreale information.

4 photographs:
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