A picture of a Prickly Sow -Thistle

Prickly Sow -Thistle

Sonchus asper

Also known as

rough milk thistle, spiny sowthistle, sharp-fringed sow thistle, spiny-leaved sow thistle, Prickly sowthistle, Sowthistle

Sonchus asper saint-fuscien 80 19052007 4 by Olivier Pichard (CC BY-SA 3.0)

Full Sun
Easy care
Moderate watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size






16 months to reach maturity


  • spring
  • summer
  • autumn
  • winter

This plant has a mild fragrance

More images of Prickly Sow -Thistle

Sonchus asper fluy 80 05052007 1
Sonchus asper ENBLA02
Sonchus asper saint-fuscien 80 19052007 1
20121007Sonchus asper5
20131013Sonchus asper6

Prickly Sow -Thistle Overview

Sonchus asper can be either an annual or biennial flowering plant that mostly considered a weed. It is a native plant from the temperate areas of Europe through to the east coast of Russia and including north Africa. It has since naturalised to temperate areas around the world. Its leaves are edible and can be treated as a leaf vegetable.

How to propagate Prickly Sow -Thistle


Special features of Prickly Sow -Thistle

Attracts useful insects

Other uses of Prickly Sow -Thistle

Wildflower/meadow, edible, food for livestock.