Hairy crabweed (Fatoua villosa) is a small annual weed in the mulberry family, sticky with fine hairs and often found in disturbed ground. It spreads by seed, which the fruit can shoot several metres, and is invasive in parts of the United States.
Family
Moraceae (Fig & mulberry family)
Grows as
Annual
Light
Part shade, Bright indirect
Water
Keep soil lightly moist while young; it grows as a weed in damp, disturbed ground.
Soil
Any loose, fertile soil, including disturbed garden beds and farmland.
Temperature
Warm subtropical conditions; protect from frost.
How easy
Easy
Native range
Thailand to C. & S. Japan and N. Australia
Climate
subtropical
About
Fatoua villosa is an annual herb in the Moraceae (mulberry) family. Common names include mulberry weed, crabweed, or hairy crabweed in English, kuwakusa (クワクサ; 桑草) in Japanese, and shuǐ shémá (水蛇麻) or xiǎo shémá (小蛇麻) in Mandarin. It is native to Eastern Asia, some Pacific islands, and parts of Australia, including in two Australian states (Western Australia and Queensland), the Bismarck Archipelago, China, Indonesia (Java, Maluku, Sulawesi and the Lesser Sunda Islands), Japan, Korea, New Guinea, the Philippines, the Solomon Islands, Taiwan, Thailand and Vietnam. It has become an invasive species in the United States where it grows in disturbed areas such as flowerbeds, greenhouses, and agricultural fields.
Text excerpted from the Wikipedia article Fatoua villosa 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.