Canada Thistle (Cirsium arvense)


Canada Thistle (Cirsium arvense)
Photographed June 30

A much-hated weed, but the flowers are pretty, and the seedheads are delightful to finches.

Seeds of Canada Thistle (Cirsium arvense)
Canada Thistle (Cirsium arvense)
Canada Thistle (Cirsium arvense)

We also have pictures of an unusual white form of Canada Thistle.


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