Delphinium trolliifolium

Cow Poison

Erect. Stems hollow, easily broken from root. Leaves with petioles to 10 in., shiny, hairless, divided into many wide-tipped lobes with irregular sharp teeth. Flower spike narrow. Flowers dark blue, with white upper petals in center, spur straight, may have yellow hairs on stalk. Flower is 4 times as long as it is wide and curved back. Grows in moist shady places in oak woods or chaparral at low to mid elevations. Delphinine, a poison in this species and many members of this family, can cause death.

  • Rarity: Locally Common
  • Flowering Time: Late Spring, Early Summer
  • Life Cycle: Perennial
  • Height: 2--6 feet
  • Habitat: Meadow, Woods
  • Found In: Cascades, West Gorge
  • Native: Yes

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