Cirsium Species, California Swamp Thistle, Douglas' Thistle

Cirsiumdouglasii

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Cirsium (SIR-see-um)
Species
douglasii (dug-LUS-ee-eye)
Synonym
Cirsium breweri var. wrangelii
Sun Exposure
Full Sun
Hardiness
Not Applicable
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Medium Purple
White/Near White
Bloom Time
Other Details
Category
Annuals
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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Oklahoma City, OK (Zone 7a) | September 2004 | neutral

This plant is native to the U.S. and grows in California, Nevada and Oregon.

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