Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Geranium oreganum is a species of geranium known by the common name Oregon cranesbill, or Oregon geranium. It is native to western North America from California to Alberta, where it grows in mountain forests and meadows. This is a perennial herb growing generally erect to heights of 40 to 80 centimeters. The slender stems have a foliage of large palmate leaves up to 15 centimeters wide and divided into several segments, each of which is subdivided into rounded or pointed lobes. The flower has pointed sepals beneath rounded lavender to purple petals. The fruit has a small body with a pointed style column up to five centimeters long.

Plant type

Perennial herb

Size

1 - 3 ft Tall

Form

Upright

Growth rate

Fast

Calscape icon
Color

Purple, Lavender

Flowering season

Spring

Sun

Partial Shade

Water

Moderate

Soil description

Prefers loamy or clay soils. Grows poorly in sandy soils.

Propagation

For propagating by seed: No treatment.

Site type

Moist places, meadows,

Plant communities

Yellow Pine Forest

Birds
Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 3 likely

Confirmed Likely

Oregon Gem Moth

Heliothis oregonica

Fall Webworm

Hyphantria cunea

Double-Banded Carpet

Spargania magnoliata