Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Allium cratericola is a species of wild onion known by the common name Cascade onion. It is endemic to California, where is an uncommon member of the flora in several of the state's mountain ranges. This onion grows a short stem up to 10 centimeters tall from a brown-coated oval-shaped bulb. There are one or two long, pointed leaves up to four times the length of the stem. The flower cluster contains up to 20 rosy pink flowers clustered densely together.

Plant type

Perennial herb, Geophyte

Size

4 in Tall

Calscape icon
Color

White, Pink

Flowering season

Spring

Sun

Full Sun

Water

Moderate

Ease of care

Moderate

Soil drainage

Fast

Sunset Zones

7*, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21

Site type

Open, volcanic, or granitic places

Plant communities

Chaparral, Foothill Woodland

Bees
Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 11 likely

Confirmed Likely

Ipsilon Dart

Agrotis ipsilon

The Nutmeg

Anarta trifolii

Alfalfa Looper Moth

Autographa californica