Data provided by the participants of the Consortium of California Herbaria

View additional distribution information on the Jepson eflora

Congdon's Onion (Allium sanbornii var. congdonii) is a rare native perennial herb that grows in Central and Northern California, primarily in the Sierra Nevada Foothills region. It tends to grow in rocky outcrops, at elevations from 1000-4600 feet.

Plant type

Perennial herb, Geophyte

Calscape icon
Color

White

Sun

Full Sun, Partial Shade

Water

Moderate

Site type

Rocky outcrops

Plant communities

Chaparral, Foothill Woodland

Caterpillars
Butterflies

Butterflies and moths supported

0 confirmed and 7 likely

Confirmed Likely

Ipsilon Dart

Agrotis ipsilon

Alfalfa Looper Moth

Autographa californica

Subterranean Dart

Feltia subterranea