Wildflowers
Field Thistle
Cirsium discolor
Features
Large, purple, thistle flowers, up to 2 inches across.
Culture
Full sun; moist, well drained soils.
Mature Height
3-9 Feet
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
USDA Hardiness Zone
2 - 8
Bloom Color
Lavender
Purple
Bloom Season
July - October
Soil Conditions
Moist, Well-Drained
Exposure/Light Requirements
Full Sun
Pests and Problems
Environmental Damage
Additional pests and problems that may affect this plant:
No serious insect or disease problems.
Additional Notes
Found in fields and prairies. Short lived perennial that readily re-seeds. Eastern Goldfinches eat the seeds and use the tufts of hair from seeds to line their nests. Considered a primary noxious weed in Iowa.
