Canadian Thistle, Californian Thistle, Canada Thistle, Boar Thistle, Field Thistle, Perennial Thistle, Cally Thistle (Nz)
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These are spreading and creeping thistles that can reproduce by both seed and root, making it hard to get rid of once you have it. They have dark pink-purple flowers that bloom between July and September.
Not usually harvested
Sow onto moist compost or soil. Seeds germinate readily.
Attracts useful insects
Europe, Eurasia, North-America
Full Sun, Partial Shade, Partial Sun
Chalk, Loam, Sand
Soil PH preference
Acid, Alkaline, Neutral