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Early Barnyard Grass

Echinochloa oryzicola

Also called Early Water Grass, Hairy Millet, Early Watergrass

Early barnyard grass is an annual grass species that grows in temperate climates and is a common weed of rice paddies and wet ground. It is grown as a weed rather than a garden plant, and it can be hard to control in fields.

Family
Poaceae (Grass family)
Grows as
Grass, Annual
Light
Full sun
Water
Thrives in saturated or flooded soil, as in rice paddies.
Soil
Wet, heavy mud or paddy soil.
Temperature
Temperate climate; frost-sensitive as an annual.
Edible
Yes, some parts
Native range
S. Russian Far East to China and Nansei-shotō
Climate
temperate

About

Echinochloa oryzicola, also called late watergrass or echinochloa phyllopogon, is an annual species of monocot grass that grows in temperate climates. It is native to East Asia, and is found in China, Korea, Japan and the Russian Far East near Vladivostok. It has been introduced into Europe, in Belgium, France, Germany, Italy, Portugal and Spain, and also the Transcaucasus. As a weed, some examples in Portugal have developed resistance to Group A and Group B herbicides.

Other Echinochloa plants

Jungle rice · Barnyardgrass · Gulf cockspur grass · Japanese millet · Billion-dollar grass · Early water grass · Creeping river grass · Hippo grass

Text excerpted from the Wikipedia article Echinochloa oryzicola 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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