Perideridia kelloggii

Perideridia kelloggii




  • Herbaceous perennial that grows from 2 to about 5 feet tall
  • The most common Yampah in the Bay Area
  • Grows in open grasslands and serpentine outcrops
  • Grows in full or partial sun but more sun taller plant
  • Small white flowers appear in mid-summer
  • Prized by butterfly gardeners as a host plant for the Anise Swallowtail
  • The green caterpillars are not easy to spot as they are the same color as the stalks and the leaves
  • Found in Molate, Flatlands, Bay hills, Diablo, Hamilton, and Valley sections

Bay Hills, Briones RP, Carquinez Strait RP, Kensington, Mt. Diablo, Mt. Diablo south, Orinda, Richmond, Sibley RP, Tilden RP


1 gallon, 4 inch, Deepot

bloom season Aug
pollinators Butterflies
habitat Chaparral
sun Full Sun
habitat Grassland
bloom season Jul
water Low
habitat Mixed evergreens
water Mod
soil Moderate
sun Part Shade
soil Poor
growth habit Upright
soil Well-drained
flower color White
dormancy winter

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