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Arctic Butterbur

Petasites frigidus

Last reviewed: June 2026

Arctic Butterbur (Petasites frigidus)
Photo: (c) Mary Krieger, some rights reserved (CC BY), uploaded by Mary Krieger

Light

part shade

Water

high

Size

12"–48" H × 12"–36" W

Bloom

Mar, Apr, May

Native to

CA, CO, CT, ID and 15 more states

Pollinators

bees, flies

Browse plants for this ecoregion

Arctic butterbur is a native perennial with large, rounded leaves and clusters of small white to pinkish flowers that appear in early spring before the foliage emerges. This moisture-loving plant thrives in shaded areas and can spread to form colonies in ideal conditions. It goes dormant in winter, disappearing completely until spring growth returns.

In an HOA neighborhood

Arctic Butterbur takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Completely dormant and invisible in winter
  • Can spread aggressively in moist conditions
  • Large leaves may appear untidy to some

Wildlife value

The early spring blooms provide nectar for bees and flies when few other flowers are available. The large leaves offer shelter for small wildlife during the growing season.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Arctic Butterbur fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.