The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Cobwebby Thistle
Cirsium occidentale is a Biennial up to 1.00 metres tall.
It has edible and miscellaneous uses.
South-western N. America - Oregon, California and Nevada.
Sandy places by the coast and into the nearby hills[
]. Coastal scrub, chaparral, oak woodlands, stabilized dunes and roadsides from sea level to 200 metres[
|Pollinators||Bees, Flies, Lepidoptera, Beetles, Self
An easily grown plant, succeeding in any ordinary garden soil in a sunny position[
This species is not very frost hardy and is unlikely to succeed outdoors away from the mildest areas of Britain[
A polymorphic species, a number of varieties are recognised[
Closely related to C. coulteri[
], it hybridizes with that species in the wild[
Root - cooked[
]. A pleasant taste after prolonged boiling[
]. The root is likely to be rich in inulin, a starch that cannot be digested by humans. This starch thus passes straight through the digestive system and, in some people, ferments to produce flatulence[
Stem - peeled and eaten raw[
The seed of all species of thistles yields a good oil by expression[
]. No details of potential yields etc are given[
Seed - sow early spring or autumn in situ. Germination usually takes place within 2 - 8 weeks at 20°c[
Division in spring or autumn.