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Columbian Monkshood

Aconitum columbianum

Columbian monkshood is a tall western mountain perennial with deeply cut leaves and hooded violet-blue flowers along wet streambanks and meadows. Dramatic for moist shade; all parts are highly toxic.

Family
Ranunculaceae
Type
wildflower
Lifespan
perennial
Height
3–6 ft
Spacing
1–2 ft apart
Light
sun, part shade
Soil moisture
moist, wet
Soil pH
neutral
Bloom
July, August, September
Bloom colors
purple, blue
Wildlife value
pollinators
Landscape uses
rain garden
Native states
AZ, CA, CO, ID, MT, NM, NV, OR, SD, UT, WA, WI, WY