It's been one week since
"It's been one week since application. The Sedge is turning yellow. Hopefully, "death" will occur in the next week."
Sedgehammer Plus Weed Control
Eliminate Nutsedge (Nutgrass) Without Damaging Your Lawn
$18.90
$19.99
Fast ShippingOrders ship right away
Proven ResultsBuilt by professionals
Made in the USAQuality ingredients
Expert SupportWe are here to help
Product Description
Finally Get Rid of That Bright Green Weed
If you have bright green, faster-growing weed popping up in your lawn, it’s probably nutsedge (also called nutgrass). And most weed killers won’t touch it.
SedgeHammer Plus is designed specifically to kill nutsedge by working its way down to the root—so it doesn’t just come back again.
When to Apply
- Apply to actively growing nutsedge
- Avoid watering 2 days after application
Visible yellowing may begin within 7–14 days. Complete control takes a few weeks.
Granular Option Available
Prefer a spreader application? See Vexis Granular Nutsedge Control.
SedgeHammer Plus provides targeted, professional-level control when standard lawn weed products fail.
Frequently Asked Questions
How many applications will I need to apply?
Do I need to add a surfactant?
Product resources
Product Information & Resources
Everything you need to understand, apply, and reference this product.
Details & Specifications
| Active Ingredient | Halosulfuron-methyl 5% |
|---|---|
| Lawn Types | Tall fescue, Bermuda, Zoysia, St. augustine, Centipede, Kentucky bluegrass, Ryegrass |
| Special Features | Works to kill yellow and purple nutsedge and kyllinga |
| Application Rate | |
| Time to Apply | Summer, Spring |
| Delivery System | Dispersible Granules |
| For Use In | Turf Grass |
| Brand | Gowan |
Spreader Settings
Customer Reviews
Overall rating: 4.6875 / 5 from 32 reviews.
AI Generated Review Summary
Summary topics
Review topics: [].
Review highlights
Reviews
I can't see where it
"I can't see where it seems to be working. I am sorry"
Haven't done a total spray
"Haven't done a total spray but dud spot spray and its working like a charm thanks"
I had some pretty large
"I had some pretty large areas of that weed in my lawn and it killed it all! Great product, thanks"
Sedgehammer
"Ok I guess . I may be expecting too much. I thought it would work faster"
Sledgehammer
"Excellent, works great. I am wondering when the mixed solution is usable since it is a one time mix. Otherwise I am happy with the results."
sedgehammer
"totally ineffective, waste of time and money"
Works great!
"Works as shown in the description. You think that it is not going to kill the sedge. But after about 5 days you can see the decline. Once mowed it is gone and did not affect the lawn."
Great Product
"Sedgehammer is the only product that worked on our weed issue - the particular type is native to Florida and regular OTC products did not work. Even pulling them did not prevent regrowth. With our newly hardscaped yeard, this is now our go-to"
Works great!
"Works as shown in the description. You think that it is not going to kill the sedge. But after about 5 days you can see the decline. Once mowed it is gone and did not affect the lawn."
Q&A
- What’s the shelf life once it’s mixed?
- Don’t know used didn’t store .
- What's the shelf life once it's mixed?
- Once Sedgehammer is mixed with water, it should be used within 24 hours for best effectiveness. After that time, the solution can start to degrade, reducing its herbicidal efficacy. Unmixed, dry Sedgehammer (in its original packaging) has a shelf life of 3'5 years if stored in a cool, dry place.
- What's the shelf life once it's mixed?
- This product should be used the same day once it has been mixed. The product starts to break down once it has been mixed in water. If left in a mixer for more than 24 hours it could loose potency and clog sprayer nozzles. Unopened packages will last for several years.
- Can you use this in a bed of amyryillis bulbs & other bulbs without damaging the bulbs?
- Most likely not. It is made to be used to treat sedges in the lawn.
- Do you ship to Canada?
- I’m sorry but we do not.