Canada's Plant Hardiness Site

Onopordum acanthium

heraldic thistle, cotton thistle, woolly thistle, Scottish cotton-thistle, Scottish thistle

Detailed description(s) of the plant's characteristics.
(sites may be external)

• www.weedmapper.org
• www.british-wild-flowers.co.uk
• biology.burke.washington.edu
• www.efloras.org
• www.bbc.co.uk