Heracleum maximum

Heracleum maximum

cow parsnip



  • Tall (3 to 9 feet) herbaceous perennial
  • Dormant in the fall and winter.
  • Grows well in wet, sunny places
  • A favorite for creek restoration
  • Large white flower heads blooms April – June
  • Large seeds provide food for birds.
  • Coastal Indians sought out young tops in spring to eat
  • Found in Molate, Bay hills, Diablo and Mission Peak, sections

Berkeley, Briones RP, Diablo Foothills RP, El Sobrante, Huckleberry RP, Kennedy Grove RP, Mt. Diablo, Mt. Diablo north, Redwood RP


1 gallon, Deepot

bloom season Apr
pollinators Birds
pollinators Butterflies
habitat Coastal scrub
sun Full Sun
habitat Grassland
bloom season Jun
water Low
bloom season May
habitat Mixed evergreens
water Mod
soil Moderate
habitat Oak woodland
sun Part Shade
soil Poor
growth habit Upright
soil Well-drained
flower color White
dormancy winter

This website uses cookies to ensure you get the best experience on our website.