| JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC |
Biennial of damp grassland on heavy, often disturbed, soils. Produces rosette of spine-coated leaves in first year. In second year, conical heads of purple flowers are borne on tall, angled and spined stems, July to August. Dead heads persist. Height up to 2m.
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