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Warning! This is an invasive plant, which has the potential to aggressivley crowd out native species. Learn more about invasive plants!
Bull Thistle (Cirsium vulgare)
Image ID: sc23
Permalink: myWildflowers.com/detail.asp?photo=sc23Tap/mouseover and drag to zoom/pan.
Family: Asteraceae (Sunflower)
Height: 2 to 6 ft.
Blooms: June to September
Leaf Type: lobed
Bloom Size: 1.75 in. (typical)
Flower Description: Individual flowers, Parts indistinct
Location: Sandy Creek Trail
Notes: Stem bears purple spots. Fern-like leaves. Highly toxic.
More photos of this flower
We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've grown!
Meyer, Joseph E. (1918). The Herbalist and Herb Doctor. Hammond, Ind.: Indiana Herb Gardens. 400 pp.