Tanacetum parthenium

Feverfew

Family: Asteraceae · Type: perennial · Not Native

Feverfew is a naturalized perennial herb found in diverse California bioregions including the Klamath Ranges, northern Sierra Nevada, and southern coastal areas in disturbed areas, fields, and woodlands at elevations generally below 2,100 meters. Flowering from June to August, this plant produces white ray flowers and yellow disk flowers in compact heads 5 to 20 millimeters wide. Growing with erect or ascending branched stems 20 to 80 centimeters tall that are glabrous at the base and lightly hairy toward the tips, it develops from a robust taproot. Its leaves are primarily along the stem, oblong-ovate to triangular, 4 to 10 centimeters long, with 1 to 2 pinnately divided segments featuring multiple oblong lobes with toothed margins. The fruit is small, 1 to 2 millimeters long with 5 to 10 visible ribs.

Habitat: Occasional. Disturbed areas, fields, woodland

Bloom period: Jun-Aug

Elevation: generally < 2100 m

Bioregions: KR, NCoR, n SN, GV, SnFrB, SCoRO, SCo, TR, SnJt

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.