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Douglas Houck | profile | all galleries >> Flora >> Wild Flowers >> Wildflowers of Washington State >> Cirsium arvense tree view | thumbnails | slideshow | map

Cirsium arvense

Common Names: Canada Thistle, Creeping Thistle

Non-native noxious weed

No listed varieties.

Dense growth. Very thorny lance shaped leaves and flower stem. Multiple small purplish-lavender flowers. Grows in disturbed soils at low to mid elevations throughout the state

west North Cascades
TRAIL: Old Fairhaven Parkway
HABITAT: Disturbed soils
ELEVATION: 40 m (130 ft.)
BLOOM TIME: 10-JUL
Cirsium arvense
Cirsium arvense
Cirsium arvense
Cirsium arvense