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Hempnettle

Galeopsis

Also called Hemp Nettle, Hemp Nettles

Hempnettle
Photo: Ivar Leidus, CC BY-SA 3.0

Galeopsis is a genus of annual herbaceous weeds in the mint family, native to Europe and Asia, with several species naturalized in North America and New Zealand. The commonly grown and encountered members are the weedy hemp-nettles that thrive in disturbed soil and cultivated ground.

Family
Lamiaceae (Mint family)
Grows as
Annual
Light
Full sun, Part shade
Water
Keep soil evenly moist during germination and early growth; they grow as weeds in ordinary rainfall.
Soil
Average garden soil, fertile and well drained or loamy
Temperature
Hardy annuals tolerant of cool weather; protect from hard frost
How easy
Easy
Safety
Toxic: The plants are poisonous; the sources do not specify the active compounds or symptoms.

About

Galeopsis is a genus of annual herbaceous plants native to Europe and Asia. Members of this genus often have common names ending in hemp-nettle or hempnettle. Some species are naturalized in North America and New Zealand.

The plants are poisonous. Several species are widespread weeds and some are used as medicinal herbs.

Other Galeopsis plants

Edmonton hempnettle · Brittlestem hempnettle

Text excerpted from the Wikipedia article Galeopsis 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.

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