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Home > Weeds > Yellow Nutsedge

Yellow NutsedgeCyperus esculentus L.

A perennial grass-like sedge, yellow nutsedge is a common weed in home lawns and other turf areas, vegetable and flower gardens and can be a problem in crop fields.

yellow nutsedge infestation yellow nutsedge plant yellow nutsedge flower
Spread mainly by rhizomes, underground stems that produce tubers, new plants may form as much as 10 feet away. Each plant can produce several hundred to several thousand tubers each year. Stems are triangular-shaped. Leaves have a thick mid-vein and feel slick or waxy to the touch. Stems and leaves are yellowish-green. Leaves grow from the base in clusters of 3. Flowers and seeds are light brown. Leaves, or bracts, beneath the flowering tops are 2 to 10 inches long.

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[Photos, left to right: Howard F. Schwartz, Colorado State University,; Ohio State Weed Lab Archive, The Ohio State University,; Jeff Stachler, The Ohio State University,]

It is the policy of the State of Maine to minimize reliance on pesticides. The Maine Department of Agriculture and the Maine IPM Council encourage everyone to practice integrated pest management and to use pesticides only as a last resort. The mention of pesticides in the fact sheets linked to these pages does not imply an endorsement of any product. Be sure that any product used is currently registered and follow all label directions.