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Early water grass

Echinochloa oryzoides

Also called Early Barnyard Grass, Hairy Millet, Early Watergrass

Early water grass is an annual grass that behaves as a weed in rice paddies, where it closely mimics rice and is hard to tell apart from the crop. It is not a plant gardeners grow, so care notes describe how it behaves in wet soil.

Family
Poaceae (Grass family)
Grows as
Grass
Light
Full sun
Water
Grows in standing water or saturated mud, as in flooded rice fields.
Soil
Wet, waterlogged mud or paddy soil.
Temperature
Warm temperate to tropical conditions; not frost tolerant.
Safety
Not known to be toxic
Edible
Yes, some parts
Native range
Caucasus to China and Philippines
Climate
temperate

About

Echinochloa oryzoides is a species of grass known by the common name early barnyard grass. Its origin is not certain but it may be Eurasia. The grass is a major weed of rice paddies; it is a serious problem as it is an effective Vavilovian mimic of rice, very difficult to separate from the crop.

Other Echinochloa plants

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

Text excerpted from the Wikipedia article Echinochloa oryzoides 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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