— Short, snippet-friendly answers to the most-asked questions about Scotch Thistle (Onopordum acanthium). For the full profile with citations, open the main page.
Scotch Thistle (Onopordum acanthium) is a biennial forb or herb that can reach heights of 1.5 meters and is native to regions including Afghanistan, Albania, Algeria, Austria, Belarus, Belgium, and other parts of Europe and Central Asia. Scotch Thistle (Latin: Onopordum acanthium) is an edible plant catalogued in PlantSage.
Scotch Thistle is generally regarded as safe for culinary use when correctly identified and prepared. Avoid wild specimens from polluted ground and confirm species before harvest.
Scotch Thistle is a member native to AFG, ALB, ALG, ALT, AUT, and BLT. Scotch Thistle thrives in light to medium and heavy soils with a pH of 7-7.5, preferring well-drained conditions but also tolerating moist environments.
Scotch Thistle grows best in USDA zone 5-9, 8/10 light, dry, moist water, and biennial life cycle. Detailed sowing, propagation, and care notes are on the full profile.
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