SedgeHammer Plus Herbicide Help - Questions and Answers

SedgeHammer Plus Herbicide

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SedgeHammer Plus Herbicide

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Asked by Valerie from Eufaula, Al

11/12/2022

Q

Is this safe for centipede grass?
Purchased tenacity from you to kill some weed and it worked as stated. Now we have this nutsedge traveling in from our neighbors yard. Is this safe for centipede?

A

Yes, SedgeHammer Plus Herbicide is safe for centipede grass. Tenacity Herbicide would be a great option for you to control nutsedge without harming your Centipede lawn.

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Asked by John from Mount Pleasant

12/27/2022

Q

can sedge hammer by applied to dormant centipede to kill kyllinga

A

Yes, SedgeHammer + Herbicide can be used on a centipede lawn safely as directed on the product label to kill kyllinga.

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Asked by Kirsty from Brisbane, Queensland

12/28/2022

Q

Will SedgeHammer kill my buffalo or couch lawn if oversprayed?
I have some new turf laid and unfortunately 2 weeks later it is full of nut grass. Can I use a watering can with sedgehammer over all the lawn? Will it kill the lawn? It's such a large area I think it would be impossible to spray without over spray.

A

SedgeHammer + Herbicide states it is safe on Buffalo grass, does not have couch grass on the label. We do not know how it may affect it, so would be best to do a spot treatment first.

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Asked by Gregg from Hastings

01/23/2023

Q

Does freezing harm concentrated Sedgehammer?
My Sedgehammer order arrived while I was away. Consequently it was exposed to freezing temperatures for a few days. Is it harmed?

A

SedgeHammer Herbicide has a shelf life of about 3 years if kept out of extreme temperatures and direct sunlight. Nothing below freezing or above 90. Typically it is best kept in a cool dry place inside.

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Asked by Eugene from Villages Florida

02/05/2023

Q

What the earliest time to use this product?

A

For best results when applying, SedgeHammer Herbicide applications should be made when temperatures are between 60 to 70 degrees or when the nutsedge has reached the 3 to 8 leaf stage of growth. Do not apply when temperatures are above 85 degrees.

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Asked by Jco from Irmo, Sc

02/19/2023

Q

Can I mix Negate with SedgeHammer+ to control my intermixed poa annua / nutsedge problem?
I have active growing nutsedge and poa annua in my lawn. In places, it is intermixed with each other. I'd like to spray 'control' agent to both of these weeds in one application.

A

Yes, Sedgehammer + and Quali-Pro Negate 37WG Herbicide can be tank mixed together. We always recommend doing a sample tank mix first when mixing with other products to make sure that everything mixes well. Please refer to both product labels for instructions on tank mixing. …
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Yes, Sedgehammer + and Quali-Pro Negate 37WG Herbicide can be tank mixed together. We always recommend doing a sample tank mix first when mixing with other products to make sure that everything mixes well. Please refer to both product labels for instructions on tank mixing.

You can also view our Tank Mixing Lawn Care Herbicides video for more information.

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Asked by Steve from Philadelphia, Pa

02/26/2023

Q

Okay to apply in PA in February with possibly some freezing nights still ahead?
We've had a warm winter in Pennsylvania and the sedge has popped up in mid-February and is actively growing. It's been in the 40s and 50s, but the night temperatures are around freezing many nights. Can I apply it now or is that a waste? Should I wait until at least it isn't freezing at night?

A

Temperatures can have an effect on the SedgeHammer Herbicide. As long as the nutsedge is actively growing it can be applied, however, the colder temperatures can prohibit growth of weeds as well, but you should still get some use out of the product as long as it is applied while soil (not air) tempe…
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Temperatures can have an effect on the SedgeHammer Herbicide. As long as the nutsedge is actively growing it can be applied, however, the colder temperatures can prohibit growth of weeds as well, but you should still get some use out of the product as long as it is applied while soil (not air) temperatures are a minimum of 65 degrees or higher consistently for a week or more. Please be sure to review the product label for more information and complete application instructions.

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Asked by Chad from Austin, Tx

11/18/2023

Q

Can I apply this to other weeds in my flower beds? Effective on other weeds?
If not, is there something you can recommend?

A

SedgeHammer Plus Herbicide should not be applied over ornamentals such as flower beds as it could damage them. Complete list of weeds controlled can be found on the bottom of page 3 & page 4 of the label

https://www.domyown.com/msds/SedgeHammer_Herbicide_Label_2021.pdf

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Asked by Steven from Covington, La

04/07/2024

Q

Can Sedgehammer be used in a garden with potatoes?

A

SedgeHammer may not be the best option for you. It is meant more for nutsedge control in turf grass and it cannot be used in or around a vegetable garden or anything edible. It remains in the soil for up to 3 years so the manufacturer recommends that you not plant anything edible in an area where …
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SedgeHammer may not be the best option for you. It is meant more for nutsedge control in turf grass and it cannot be used in or around a vegetable garden or anything edible. It remains in the soil for up to 3 years so the manufacturer recommends that you not plant anything edible in an area where SedgeHammer has been applied for at least 3 years. For nutsedge control in or around a vegetable garden, it is recommended to spot-treat the sedge with a glyphosate or RoundUp-type product directly. With this type of product, it is only necessary to wait 2-3 weeks after application to plant vegetables or anything else. We would recommend Roundup QuickPro 1.5 oz. packs for ease of use.

Also, you should not just pull the plants. This will just split off the rhizome and more new plants will grow from the nutlets left in the soil. To completely remove the plants, you would need to completely dig out the nutlets so that new plants do not grow from them. Many folks will still till the soil after using RoundUp to be sure there are no remaining nutlets that will grow new plants.

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Asked by Jc from Alexandria, Va

04/10/2024

Q

How long after spraying do I need to wait to add mulch?
I have nutsedge in a flower bed with plants, and I need to mulch the bed. How long after I spray the nutsedge can I mulch? I assume I should spray and not remove the nutsedge immediately but wait several weeks after mulching to pull them?

A

Using SedgeHammer Plus Herbicide the nutsedge itself takes about 3-6 weeks to die in some cases, so realistically you could mulch pretty close after if you are mulching over where you applied the Sedgehammer and where the sedge is growing.

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