Vaccinium macrocarpon
cultivated cranberry, large cranberry

Distribution: In scattered locations in lowlands west of the Cascades crest; introduced British Columbia south to California; native eastern North

Flowers: May - June

Origin: Introduced from northeastern United States

Growth Duration: Perennial

Conservation Status: Not of concern


Creeping evergreen shrub, often ascending, reaching 0.5-1.5 dm.


Leaves alternate, glaucous upper surface, green beneath, elliptic or narrowly elliptic, 5-15 mm long, margins entire and rolled slightly downward.


Inflorescences emerging from axils of bracts at base of shoots from current year’s growth; pedicles bracteolate, 2-3 cm, slender, nodding; bracteoles 2, 1-2 mm wide, resembling scales, greenish white; calyx lobes small; corolla white to pink, very deeply 4-lobed, segments 6-10 mm, strongly reflexed; filaments hairy, 1/3 length of anthers, anthers 1-2 mm.


Berries globose, smooth, reddish to pink, 10-15 mm.

Accepted Name:
Vaccinium macrocarpon Aiton
Publication: Hort. Kew. 2: 13, plate 7. 1789. 1789.

Synonyms & Misapplications:
Oxycoccus macrocarpus (Aiton) Pers., invalid name
Additional Resources:

PNW Herbaria: Specimen records of Vaccinium macrocarpon in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Vaccinium macrocarpon checklist entry.

E-Flora BC: Vaccinium macrocarpon atlas page.

CalPhotos: Vaccinium macrocarpon photos.

USDA Plants: Vaccinium macrocarpon information.

14 photographs:
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