UK Flowers: Herbs, Shrubs, Vines & Trees
UK Flowers

UK Prickly Sow-thistle

Herb Icon Native Flower     First Aid Symbol  Edible Symbol 
Image of Prickly Sow-thistle
Sonchus asper
Family: Asteraceae

Flower Properties

Property Value
English Name Prickly Sow-thistle
Scientific Name Sonchus asper
MainColor Yellow
PlantType Herb Icon Herb
Distribution Native Flower Native
Season Found May (Mar - Nov)
ImageUrl Sonchus-003
Photographer DP
Location Found Kings Langley
Country Found UK
Last Updated 11 September 2026
Photo Quality A

Flower Details

Description

Prickly Sow-thistle is an annual or biennial herbaceous plant characterised by its spiny, lobed leaves and bright yellow flowers resembling dandelions. It can grow up to 150 cm tall and has a milky sap.

Distribution

This species is native to Europe and western Asia but is now widespread in temperate regions worldwide, often found in disturbed areas like roadsides and fields.

Medicinal/Other Uses First Aid Symbol

✅ Traditionally, Prickly Sow-thistle has been used for its diuretic properties and to treat skin conditions.

Edibility Edible Symbol  

Edible - young leaves can be consumed raw or cooked, though they may be bitter.

Human Toxicity
Non_Toxic

Non Toxic - generally considered safe for human handling and consumption.

Pet Toxicity Pet Toxicity

Non Toxic - no known toxicity to pets such as cats and dogs.

Active Compounds

Flavonoids, sesquiterpene lactones, alkaloids.

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