Page author: David Giblin
Hypericum calycinum
Aaron's beard, great St. John's wort

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

Habitat: Roadsides, cliffs, embankments, fields, parks, forest edge, wastelots, and other disturbed areas.

Flowers: May-July

Origin: Introduced from Turkey and Bulgaria

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, flies, wasps


[none provided]

Accepted Name:
Hypericum calycinum L.
Publication: Mantissa Plantarum 1: 106. 1767.

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Hypericum calycinum checklist entry.

OregonFlora: Hypericum calycinum information.

E-Flora BC: Hypericum calycinum atlas page.

CalPhotos: Hypericum calycinum photos.

USDA Plants: Hypericum calycinum information.

6 photographs:
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