IPMP3.0, Oregon State University, Copyright 2000

Yellow Nutsedge
  (Cyperus esculentus)


Biology and Management

Registered Herbicides

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Yellow Nutsedge Seedling (link to large image)

Yellow Nutsedge Mature Plant (link to large image)

Yellow Nutsedge Seedlings Yellow Nutsedge Mature Plant


Yellow nutsedge is a persistent perennial that reproduces by small tubers, hence the name "nutgrass". Tubers are produced underground, often in chains that resemble a rope with knots tied in it every inch or so. The stems are triangular and emerge in groups of three and have grass-like, pale yellow leaves. Spreads primarily by underground tubers produced at end of rhizomes. Pale yellow or brownish flowers produced in spikelets. The plant grows erect, from 12 to 18 inches tall.




This section contains information on identification of the different life stages of Yellow Nutsedge.  Select Biology and Management from the Contents Menu for more information on the biology and management, or select Registered Herbicides for the herbicides that are registered to control this weed in mint.