Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Aconitum columbianum is a species of flowering plant in the buttercup family known by the common names Columbian monkshood or western monkshood. This wildflower is native to western North America where it grows in moist areas. It is a spindly, twining perennial plant with lobed or toothed leaves and long stems with far-spaced flowers. The folded, wrinkly flowers are often deep blue or purple, but may also be white or yellowish, and they usually have a spur. The fruits are pod-like follicles. Like other monkshoods, this plant is poisonous.

Plant type

Perennial herb

Size

1 - 5 ft Tall

Form

Upright

Growth rate

Moderate

Calscape icon
Color

Blue, Purple, Yellow, White

Flowering season

Summer

Sun

Full Sun, Partial Shade

Water

Low, Moderate, High

Soil drainage

Medium

Soil description

Prefers moist, fertile soil.

Propagation

For propagating by seed: No treatment. (Emery and Frey 1971). 2 mos. stratification may improve germination ( Plants of the Southwest 1984 ).

Sunset Zones

1, 2, 3, 4*, 5*, 6*, 7, 14, 15, 16, 17, 18

Site type

Streambanks and meadows

Plant communities

Lodgepole Forest, Red Fir Forest, Subalpine Forest, Yellow Pine Forest, Wetland-Riparian

Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 2 likely

Confirmed Likely

Wormwood Pug

Eupithecia absinthiata

Purple-Lined Sallow

Pyrrhia exprimens