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Field sowthistle

Sonchus arvensis

Also called Perennial Sow Thistle, Corn Sow Thistle, Field Sow Thistle, Creeping Sowthistle, Perennial Sowthistle, Sowthistle

Field sowthistle
Photo: 4028mdk09, CC BY-SA 3.0

Field sowthistle is a perennial weed of the daisy family with yellow dandelion-like flowers, growing up to about 1.5 m tall. It spreads by creeping roots and is a major pest in annual crop fields, so grow it only where you want a wild or edible patch.

Family
Asteraceae (Daisy family)
Grows as
Tree, Annual, Perennial
Light
Full sun, Part shade
Water
Tolerates a range of moisture and is drought-tolerant once established.
Soil
Adapts to most soils, including poor, disturbed ground.
Temperature
Temperate climate plant; tolerates cold winters and frost.
How easy
Easy
Safety
Not known to be toxic: The plant can contain toxic nitrates, mainly when it is eaten in large amounts or grown on nitrogen-rich soil.
Native range
Temp. Eurasia
Climate
temperate

About

Sonchus arvensis, the field milk thistle, field sowthistle, perennial sow-thistle, corn sow thistle, dindle, gutweed, swine thistle, or tree sow thistle, is a species of flowering plant in the family Asteraceae. S. arvensis often occurs in annual crop fields and may cause substantial yield losses.

Where it grows

Sonchus arvensis is native to Eurasia, where it is widespread across most of the continent. It has also become naturalized in many other regions, and is considered an invasive noxious weed in some places, such as North America (including Prince Edward Island), Russia, New Zealand, and Australia.

Uses

The young leaves, when less than a few inches long and not bitter in taste, can be mixed with other greens to make salad. They can also be boiled in a small quantity of water, changed once. The plant can contain toxic nitrates.

Other Sonchus plants

Spiny sowthistle · Common sowthistle · Slender sowthistle · Sowthistle

Text excerpted from the Wikipedia article Sonchus arvensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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