Galeopsis tetrahit – Common Hemp-nettle

Common hemp-nettle is a square stemmed, coarsely hairy annual with a pungent smell and purple-pink flowers marked with dark blotches on the lower lip. Best separated from similar looking dead-nettles and woundworts by the swelling of the stem just below the leaf node. Flowers from July to September.

Type Seeds per gram Origin Ordering
Grassland annual 600 Breconshire Currently unavailable

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Habitat Information
Common hemp-nettle is a native annual that can be found in two types of habitat; disturbed, open ground (particularly as a weed of broad leaved crops) and closed, moist and shaded sites such as woodland clearings, ditches, river banks and verges. Like most other British annuals Common hemp-nettle requires regular soil disturbance if it is to persist.

Growing Information
Best sown in the autumn as the seed requires a period of chilling to break dormancy.


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.


£/1kg -
£/100g -
£/10g -
£/1g £3.00