




Cirsium vulgare
Bull Thistle is a tall plant with spiky leaves and bright purple flowers. It grows in fields and along roadsides, making it easy to spot in nature!
Habitat: Grasslands
The Bull Thistle has large, stiff, deeply lobed leaves armed with sharp, yellow spines. Its stout, hairy stems are topped with bristly, globe-shaped flower heads that bloom with vibrant purple to pink-magenta florets.





Category
PlantsRarity
Common
Danger
2/5 · Low
Snaps
32
A single Bull Thistle plant can produce thousands of tiny seeds!
Its taproot can grow over 2 feet deep into the soil.
Many birds, like goldfinches, love to eat its nutritious seeds.
Young thistle stems and roots can be cooked and eaten!
Bull Thistle has sharp, rigid spines that protect its leaves and stems from hungry herbivores.
Bull Thistle can launch its feathery seeds on the wind, helping them travel far and wide to new growing spots.
Bull Thistle has a thick taproot that helps it reach deep water and stay firmly anchored.
Apis mellifera
Collects nectar and pollen from flowers.

Danaus plexippus
Drinks nectar from its purple blooms.

Carduelis tristis
Consumes seeds directly from dried flower heads.
Rhinocyllus conicus
Larvae develop within the seed heads, consuming seeds.
Flowering plants are any plants that produce flowers as part of their reproductive cycle.
Biennial plants complete their life cycle over two growing seasons, typically forming foliage in the first year and flowering/seeding in the second.
Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
Possessing sharp, pointed projections or spines on the body or surface.
Danger
2/5 · Low
Be careful around Bull Thistle because its leaves are sharp!
The easiest way to identify Bull Thistle is to use the Snappit nature identifier app.
50-180 cm
30-90 cm
3-5 cm
Summer-fall
Yes
None
Biennial
Zoom in to split clusters and explore where this object has been snapped.
Jun 18, 2026
BloomingdalePhoto attribution
(c) Frederick Nunley, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.

District of Columbia, US
You might spot Eastern Gray Squirrel, Duck, and House Sparrow.
View guide →

Ohio, US
You might spot Spotted Lanternfly and White-Tailed Deer.
View guide →
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District of Columbia, US
You might spot Eastern Gray Squirrel, Duck, and House Sparrow.
View guide →

Virginia, US
You might spot White-Tailed Deer and Eastern Gray Squirrel.
View guide →

Tennessee, US
You might spot American Robin and Eastern Gray Squirrel.
View guide →

Washington, US
You might spot Rock Pigeon, Great Blue Heron, and Duck.
View guide →