Bull Thistle
Bull Thistle
Cirsium vulgare
Plantae
COMMON

Stats

Lifespan
Biennial
Size
Small
Diet
Photosynthetic
Biome
Temperate grassland
Range
Europe and Western Asia
Movement
Sessile
Breeding
Seeds
Defense
Spines
Status
Common

About

Bull Thistle is a stout biennial weed covered in sharp spines, topped with vivid magenta-purple flower heads that are a favourite nectar source for bumblebees and monarch butterflies. Its winged, spine-tipped stem makes it one of the prickliest thistles in the world.

Life cycle

  1. 1.
    seed
    A dormant seed waits for water and warmth before germinating.
  2. 2.
    sprout
    A first shoot emerges with cotyledon leaves and a tap root reaching down.
  3. 3.
    sapling
    A young plant grows true leaves and a stem or trunk, putting on height each season.
  4. 4.
    mature
    Fully grown, flowering or fruiting at adult size.

Learn more

Taxonomy

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Asteraceae
Genus
Cirsium
Species
Cirsium vulgare