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Perennial warm-season grass.
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Also commoly called "Nutgrass".
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Rapidly mutliplying perennial sedge with three basal leaves.
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Slender, triangular, light green stems up to 24 inches tall.
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Plants reproduce by seeds, rhizomes, but primarily by tubers (nuts).
Yellow Nutsedge
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Leaf blades are deeply grooved, ususally shorter than flowering stem.
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Basal leaves with yellowish-brown or straw colored seedhead.
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Leaves have sharp pointed "hypodermic" tip.
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Tubers are round, lacking hairs, and formed at ends of whitish rhizomes;
individual tubers (no chain of tubers).
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Some tubers are sweet to taste.
Purple Nutsedge
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Leaf blades are deeply grooved, ususally as long or longer than flowering
stem.
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Basal leaves with purple to reddish-brown seedhead.
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Leaves have tapered tip.
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Tubers are oblong, covered with hairs, and found in chains connected by
brown, wiry rhizomes.
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Tubers bitter to taste.
Control Methods
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Hand Removal or Hoeing.
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Herbicides:
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Postemergence - bentazon, MSMA / DSMA*,
imazaquin **,
* MSMA / DSMA
kills centipede and St. Augustine grass.
** Calibration is critical to
avoid over application and turf injury.
Do not use within the root zone of desirable trees and shrubs.
-------------------------- Always
Read the Label ----------------------
|
Yellow Nutsedge, left;
Purple Nutsedge, right.
Yellow Nutsedge has a yellowish-brown
or straw colored seedhead.
Rhizomes end in "nuts". |
