Thlaspi arvense – Field Penny-cress

Field Penny-cress is a medium height, hairless and somewhat stocky annual with shiny, toothed leaves that clasp the stem with arrow shaped points. The flowers are white with yellow anthers but it is the subsequent seedpods that are this plants most distinctive feature. As the common name suggests these are penny shaped, flattened and broadly winged with a notch at the top. Unlikely to be confused with any other British wild flower.

Type Seeds per gram Origin Ordering
Cornfield annual 200 Norfolk Currently unavailable


Habitat Information
Field Penny-cress was introduced to Britain in pre-history. A summer annual found mainly on heavier soils it is an arable weed, particularly with broad-leaved crops and is also a frequent weed on disturbed roadsides, and in waste places and gardens.

Growing Information
Can be sown at any time of the year.


Species currently unavailable or of restricted availability

Sorry, this species is currently unavailable to order as a single item as we have no stock. For more information please see availability note above.


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