Search

[?]

Open the Advanced Search

Prickly Sow-thistle

Sonchus asper

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
For more information please download the BSBI Code of Conduct PDF document.

Plant Data

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Asterales
Family:
Asteraceae (Daisy)
Type:
Flower
Maximum Size:
2 metres tall
Habitats:
Farmland, gardens, roadsides, rocks, towns, walls, wasteland, waterside.

Flower:
֍
Yellow, many petals
 
Large yellow dandelion-like flowers.
Fruit:
Smooth, ribbed achenes (seeds).
Leaves:
Leathery and stiff leaves with prickly margins. The upper leaves are shiny and clasp their stems. The basal lobes of the leaves are rounded. Sparsely haired. The leaves are up to 25cm (10 inches) long.
Other Names:
Rough Milk Thistle, Rough Sow-thistle, Sharp-fringed Sow-thistle, Spiny Annual Sow-thistle, Spiny Sow-thistle, Spiny-leaved Sow-thistle.
Frequency (UK):
Common  
Distribution Map

Reproduced by kind permission of the BSBI.

Click to open an Interactive Map