bull thistle flower and bud - thistles are in the same family with artichokes
bull thistle plant has thousands of hairfine thorns
bull thistle feathery seeds
The Tulare County Ag Department introduced the hairy weavil in February
2001 in an effort to control this noxios weed. Below is the sack of bull
thistle seed heads that contain the eggs of the weevil. If you see these,
please leave them alone. Thanks.
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