Canada Thistle
Cirsium arvense
Asteraceae · perennial · introduced
Last updated
Data Maturity Baseline
This profile contains verified botanical data. Regional field notes and expert review are in progress.
Quick Facts
Growth Rate
Rapid
Light
Full Sun to Part Shade
Soil
Moist, Dry Tolerant, Drought Tolerant
Hardiness
Zone Zones 4–7
Bloom Time
summer
Origin
Europe and Asia