Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Epilobium glaberrimum is a species of willowherb known by the common name glaucous willowherb. This clumping perennial wildflower is native to western North America from central Canada to northern Mexico. It generally grows at some elevation in moist places. This plant is somewhat variable in appearance. It may exceed half a meter in height and has hairless foliage with leaves between one and 8 centimeters long. The flower has four notched petals in purple, pink, or white which may be only a couple of millimeters long to over a centimeter long each. The fruit is a narrow, sticklike capsule 2 to 7 centimeters long. Two subspecies are recognized as valid:

Plant type

Perennial herb

Size

1 - 2 ft Tall

Form

Upright

Growth rate

Slow

Calscape icon
Color

Purple, Pink, White

Flowering season

Summer

Special uses

Containers

Soil description

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

Plant communities

Alpine Fell-Fields, Lodgepole Forest, Red Fir Forest, Subalpine Forest, Wetland-Riparian, Yellow Pine Forest

Hummingbirds
Birds
Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 10 likely

Confirmed Likely

Fireweed Clearwing

Albuna pyramidalis

Langston's Forester

Alypia langtoni

Black-Banded Carpet

Antepirrhoe semiatrata

Satyr Pug

Eupithecia satyrata