Petasites frigidus (L.) Fr.
Arctic Sweet Coltsfoot, Palmate Coltsfoot, Arctic Butterbur, Palmate Butterbur
Asteraceae (Aster Family)
USDA Symbol: PEFR5
Palmate Coltsfoot is a member of the aster family (family Asteraceae) which includes herbs, sometimes shrubs or vines, rarely trees, with simple or compound, alternate or opposite leaves. Flowers small, but organized into larger heads resembling a single, radially symmetrical flower cupped by a ring of green bracts. In this large, worldwide family there are about 920 genera and 19,000 species. Cosmos, Sunflower, Zinnia, Dahlia, and many others are grown as ornamentals; Lettuce, Sunflowers, and Artichokes provide food. Safflower oil is obtained from this family. Ragweed pollen causes hay fever.
From the Image Gallery
Bloom InformationBloom Color: White
Bloom Time: Apr , May
DistributionUSA: AK , CA , CT , ID , MA , ME , MI , MN , MT , ND , NH , NY , OR , VT , WA , WI
Canada: AB , BC , MB , NB , NL , NS , NT , NU , ON , PE , QC , SK , YT
Growing ConditionsSoil Moisture: Moist
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
Additional resourcesUSDA: Find Petasites frigidus in USDA Plants
FNA: Find Petasites frigidus in the Flora of North America (if available)
Google: Search Google for Petasites frigidus
MetadataRecord Modified: 2014-09-01
Research By: TWC Staff