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Home » Herbicides & Weed Killers » Nutsedge Control

Nutsedge Control

Nutsedge Killer & Control Herbicides

Nutsedge is a type of sedge that closely resembles a grassy weed, which is why it is also called nut grass. Nutsedge can ruin the appearance of your lawn because of the differing color and growth rate the sedge verses your turf. Nutsedge is extremely difficult to control because of various growth structures, so you’ll need to know exactly how to identify, prevent and kill this annoying lawn intruder.

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SedgeHammer Herbicide
4.50 out of 5 stars (168)
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Sedgehammer is a selective herbicide for the control of nutsedge and other weeds in turfgrass and landscaped areas.

ProSedge Herbicide
4.50 out of 5 stars (14)
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ProSedge Herbicide is the same thing as Sedgehammer with the same active ingredient.

Dismiss Turf Herbicide
4.50 out of 5 stars (29)
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Q4 Plus Turf Herbicide
5 out of 5 stars (13)
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Q4 Turf Herbicide for grassy and broadleaf weeds

Southern Ag Basagran Sedge Control
4.50 out of 5 stars (6)
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For homeowner use in established turf and certain ornamentals to control broadleaf weeds and sedges.

Image Kills Nutsedge Concentrate
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Image Kills Nutsedge is easy to use and kills tough weeds including purple and yellow nutsedge.

Solitare Herbicide - 1 lb.
4 out of 5 stars (1)
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All-in-one post-emergent weed control solution that treats any combination of crabgrass, sedges and broadleaf weeds in a single application.

Hi-Yield Nutsedge Control
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A selective post-emergence herbicide for the control of nutsedge.

Dismiss South Herbicide - 16 oz.
Not yet Rated
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Excellent against purple nutsedge and other sedges and broadleaf weeds. See results within 24-48 hours.

Pennant Magnum
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Image Kills Nutsedge Ready to Spray
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Image Kills Nutsedge is easy to use and kills tough weeds including purple and yellow nutsedge.

Specticle FLO
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Preemergent Herbicide for the Control of Annual Grasses, Annual Sedges, and Broadleaf Weeds in Turfgrass, Landscape Ornamentals, Christmas Trees, and Hardscapes.

Specticle 20 WSP Pre-Emergent Herbicide
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Out of Stock
Preemergent Herbicide for the Control of Annual Grasses, Annual Sedges, and Broadleaf Weeds in Turfgrass, Landscape Ornamentals, Christmas Trees, and Hardscapes.



How to Identify Nutsedge

Nutsedge weeds are easily identifiable plants. The triangular-shaped, yellow-green colored leaves have a thick mid-vein that makes the leaves appear creased, and are arranged in groups of three at the base of the plant. The thick leaves have a v-shaped cross-section as opposed to grass, which has a hollow cross-section. The shallow, fibrous root system produces tubers, which give the plants the “nut” in their name. These tubers serve as underground food storage chambers, and can also germinate and produce new plants. The rhizomes, or underground stems, of these plants can also produce new plants. 

Nutsedge Habitat

Nutsedge thrives in most all kinds of soils, but the presence of sedges can often indicate poor drainage, leaky sprinklers, or frequent irrigation. These plants can find their way into your lawn by the way of infested potting soil, and once they become established, they are extremely hard to get rid of.

Controlling Nutsedge

The tubers of this plant can remain dormant in the soil for many years, which is one of the reasons this plant can be so difficult to completely remove. These plants can emerge through rocks and mulch and other landscaping materials. They can also become a problem when pre-emergent herbicides are used in the area; all other competition weeds are knocked out, giving nutsedge the opportunity to thrive. There are different steps to take when dealing with nutsedge. There are different steps to take with nutgrass control:
  • The best way to prevent a nutsedge takeover is to keep the plants from establishing in your yard. Try to eliminate wet conditions in your soil and always check new soil for tubers.
  • Be vigilant about removing young plants, making sure they have less than five or six leaves. Do this every few weeks.
  • Removing just some of the root system will not suffice; try to remove as much of the plant system as possible, since the tubers left in the soil can sprout again up to three times, and removing the plant forces the tubers to focus on growing a new plant.
  • Hand pulling or hoeing these plants is an effective way to remove them if the population is fairly low. When hoeing, dig eight to 14 inches down to remove the entire plant. Do not use a tiller, which will break up the tubers and rhizomes and spread them out in your lawn, spreading out the infestation.
  • These plants do not grow well in shade, so changing up landscape plantings to tall, dense ground cover or shrubs can impede nutsedge growth.
  • Some landscape fabrics with polypropylene polymer can keep nutsedge from emerging.

How to Kill Nutsedge

There are not a huge range of weed killers effective on nutsedge, but we do have a handful of post and pre-emergent products on the market that can suppress nutsedge effectively. 
  • Non-selective Post-emergent herbicides containing glyphosate (i.e., Roundup or other glyphosate products) can be effective on young plants.
  • There are several products formulated for controlling sedges. We sell several, like Sedgehammer, Monument, Certainty, and others that have been found to be successful treatments. 
  • Some pre-emergent herbicides don’t effectively control nutsedge, but can help reduce yellow nutsedge, like Pennant
  • All these products, and others, can be found here on our Nutsedge Control page.

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