tweeting as @wildBluePhlox find us on Facebook
Home > Invasive Plants > Detail
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: sc16

Tap/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
Date:  7/20/2002
Notes: Stem bears purple spots. Fern-like leaves. Highly toxic.
All photos of this species
Register/Sign-in to start a Favorites List
More photos of this flower

We started out as wildflowers from the bicycle trails of western Pennsylvania, but we've grown!