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bull thistle
Details and Information
Common Names
Spear thistle, Common thistle
Description
Height: Rosette (small round clump of leaves close to the ground) the first year, 3-6 feet the second year
Flower Color: Purple
Leaves: Coarsely lobed with a spine on the tip of each lobe
Habitat: Disturbed areas (pastures, roadsides, and ditches)
Growing Season: July - September (or until the first hard frost)
Best Time to Treat: Early spring and/or late fall
Other Facts
- Not poisonous
- Distasteful to grazing animals
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