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  • SedgeHammer Turf Herbicide for Nutsedge and Weeds WP 1000 Sq
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SedgeHammer Turf Herbicide for Nutsedge and Weeds WP 1000 Sq

61 customer reviews
| 11 answered questions

Price: $9.99 & FREE Shipping
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Ships from and sold by Seed Barn.
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  • Sedgehammer is the exact replacement of Manage
  • SedgeHammer herbicide is a selective herbicide for postemergence control of sedges
  • Its relatively short half life, intermediate soil binding properties and low use rates make movement into surface or ground water highly unlikely
  • Avoid contact of this product to leaves of desirable plants since foliar injury, dis­coloration or death may result
  • This product is effective if no rainfall occurs within 3 hours, but best results are obtained with no rainfall or irrigation for at least 4 hours
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Frequently Bought Together

SedgeHammer Turf Herbicide for Nutsedge and Weeds WP 1000 Sq + Chapin 20000 1-Gallon Lawn and Garden Sprayer
Price for both: $28.58

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Product Description

Sedgehammer is the exact replacement of Manage. The Gowan Company purchased the Manage product and its rights to use from Monsanto early 2005 and now sells the very same product as Sedgehammer. SedgeHammer herbicide is a selective herbicide for postemergence control of sedges such as purple and yellow nutsedge in established lawns, ornamental turfgrass, and landscaped areas. SedgeHammer herbicide may be applied to commercial and residential turf and on other non-crop sites including: airports

Product Details

  • Shipping Weight: 0.8 ounces (View shipping rates and policies)
  • ASIN: B002HJDMEI
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (61 customer reviews)
  • Amazon Best Sellers Rank: #5,241 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

51 of 53 people found the following review helpful By david j murphy on August 25, 2010
This product works great on nutsedge in flowers or around ornamentals. In grasses, look for Spectracide Weed and Crabgrass killer. Check the lablel - it will show Sulfazone as the last ingredient. This is what kills the nutsedge. The benefit is for $8 you can buy a bottle to hook to your hose (or dilute in tanks for 5000 ft2) that will kill the nutsedge in lawns plus all other weeds plus crabgrass. Just do not use the Spectracide product in gardens. It kills most flowers. I keep both the Spectracide for the lawn and sedgehammer for the garden.

Also, DO NOT PULL OUT NUTGRASS. It is called nut grass as small round "seed roots" (ie., "nuts") are in the ground at the base of the stalk. If you pull out the plant, these will break off and each one will become a new nutsedge plant. The only way to get rid of the them is to kill it as it emerges. Ideally spray it when it has 3 blades. Less and it is harder to kill. More and the plant will have many nuts that may grow once the main stalk is killed. The three blade size is great for killing the main plant and having the chemical soak up int the "nuts" and kill them as well. Lowes sells the Spectracide product. Note hose end sprayer and dilutable concentrate are identical - just preferece to how you want to use it.

Even in the concentrate bottles, add some surfactant to help increase the kill. Dawn works to help wet the plant better, but Turbo Spreader Sticker and other such surfactants do work better as their chemical formula helps dissolve the waxy coating on the plants to allow for quicker uptake. I use either, pending what I have around.
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12 of 12 people found the following review helpful By J. Gaskins on August 29, 2010
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This stuff really works. Don't bother buying a high priced non-ionic surfactant to use with it. Buy a couple $ bottle of Dawn concentrated dishwashing liquid instead. It does the same thing. You may also find that two treatments are necessary to get all the nut sedge.
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10 of 10 people found the following review helpful By Jonathan M. Rhoades on August 21, 2010
I had a serious infestation of NutSedge in my lawn. I had tried a bunch of different weed killers and I tried pulling them out, but they always came back. The Sedgehammer worked great! It killed the NutSedge grass in one application. I used regular Dawn dish soap as the "surfactant" that you need to mix with the chemical. Just a squirt of Dawn in your sprayer along with the Sedgehammer, shake well, and you're ready to go. I highly recommend this product.
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9 of 9 people found the following review helpful By etinner16 on July 9, 2011
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I have battled nut sedge for three or four years. Anything that was safe for the rest of my grass did not work at killing off the nut sedge. So a few times a year, I would sit and pull them indidually, a real big pain, but this really stunts it and it has to use a lot of energy to regrow. I could shrink its spread, but could not completely get rid of it. I was reading in a couple of university reports about red and yellow nut sedge, why it is so hard to get rid of, and how to control it. In them they mentioned SedgeHammer as an effective post-emergent. At first, I was skeptical that if it was strong enough to killed that damn nut sedge that it wouldn't hurt my grass. I applied as directed and two days later, I was thinking that this stuff was not really doing much to the nut sedge, just like all the other junk stuff I have tried, but at least it didn't kill my grass. A week after spraying, I noticed it was yellowing and had stopped growing. At two weeks, it was all tan and dryed out, tip to ground, and my grass was not harmed at all. I started out a skeptic and now I am IMPRESSED!
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8 of 8 people found the following review helpful By N. Graham on August 25, 2010
This is basically the only thing that will kill nutsedge and it works as advertised. Unfortuanately my neighbors often do not spray theirs so I continue to get it. I recommend buying the 1.3 oz bottle if you have any inkling that you will need to use it in the future. The larger bottle lasts for years if stored right and is the equivalent of about 40 boxes, working out to about an 80% discount. Nutsedge seems to get worse and worse every year. Probably global warming.
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11 of 12 people found the following review helpful By Andrew on July 10, 2010
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Works as advertised. Killed nutgrass without killing the bermuda or centipede. All thats left is isolated plants that I missed the first time.
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6 of 6 people found the following review helpful By D_Owen on September 29, 2010
I have been fighting nutgrass in my yard for 5 years and have tried everything, Roundup, other nutgrass products, and various total vegetation killers. This is the only product that works really really really well on nutgrass. It did not destroy my fescue or other plants at all. I does take about 1 week before you start seeing results, but worth the wait. The nutgrass is coming back about 2 months later, but not nearly as strong. A second treatment will most likely eliminate the nutgrass. WOO HOO!
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11 of 13 people found the following review helpful By D B Smith on August 28, 2010
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My lawn has been infested with nutsedge weeds for several years and the only herbicide that is able to kill and control this plant is SedgeHammer. I first used SedgeHammer a couple of years ago and did not have good success because I mistakenly added an anionic surfactant to the mixture. SedgeHammer requires a small amount of a non-ionic surfactant to be mixed in solution to be most effective on nutsedge. This year I used one tablespoon of liquid dishwashing soap (with non-ionic surfactant) and one tablespoon of isopropyl alcohol (70%) in a one-gallon mixture. I applied the herbicide using an emptied Formula 409 spray bottle and it has worked very well for me. The nutsedge stops growing immediately, and in just a few days it begins to turn yellow. Within a couple of weeks the plants brown-up and disappear. (I am hopeful that the SedgeHammer is killing the root nutlets as well; guess I'll know for sure next year if the plants do not re-emerge.) One reason I use a hand-sprayer to apply the herbicide is that it is important to fully wet the plants.

So if you are battling nutsedge in your lawn or flower beds, I recommend the use of SedgeHammer to control it.
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