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Family: asteraceae
Common name(s): Scotch thistle
Hardiness ratings: USDA zone 3 - 9 
General resources
Links for Onopordum acanthium
- BBC Gardening - Plant profile with horticultural details and garden uses.
 (1 photo)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3-9) (10 photos)
- Garden.org - Community-assembled plant profile (9 photos)
- Ontario Rock Garden Society - Germination information
- Turner Photographics - Profile of wildflower of the US Pacific Northwest, with botanical description, habitat and distribution, and photo gallery.
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