Helianthus californicus

Helianthus californicus

California sunflower


  • Perennial that grows in dry rocky soils or marshes and stream banks, often found in full sun
  • Flowers in mid summer
  • 3 to 12 feet tall
  • Found in Diablo, Hamilton and wetter Valley sections
  • also reported in Bay hills section

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Martinez, Mt. Diablo north, Mt. Diablo west


1 gallon, Deepot

bloom season Aug
pollinators Bees
pollinators Butterflies
habitat Chaparral
habitat Coastal scrub
sun Full Sun
soil Good
bloom season Jul
water Low
water Mod
soil Moderate
bloom season Oct
sun Part Shade
soil Poor
habitat Riparian
bloom season Sep
growth habit Upright
water Very low
dormancy winter
flower color Yellow

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