Fertilome Over the Top II Grass Killer

$27.90 - $229.00

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3.5 out of 5 stars Rating: 3.6

20 Reviews | 59 Q&A

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Fertilome Over the Top II Grass Killer bottle (8 oz)

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Fertilome Over the Top II Grass Killer

It is very important to use a surfactant or spreader/sticker with this product to maximize its effectiveness.

Fertilome Over the Top II Weed Killer is a systemic selective broad spectrum post-emergent herbicide that can be sprayed over desired plants listed on product label to control annual and perennial grasses. Fertilome Over the Top II can be used on vegetables, gardens, trees, shrubs, ornamentals and ground covers and stops growth of weed grasses within 2 days.

This product is not to be used to control grasses in lawns or turf.




Over the Top II Grass Killer is a selective systemic grass killer to eliminate existing weedy grasses growing in and around plant beds, landscapes, and individual shrubs and trees. It can be used through a hose-end sprayer according to the directions of the sprayer used or through a tank-type sprayer. Over the Top II can also be used around listed fruit and vegetable areas, see label, wherever listed weedy grasses occur. Use only tank-type sprayer.

Over the Top II kills most annual and hard-to-kill perennial grasses up to 1 foot high, including the examples listed below in one or two applications. Younger, actively growing seedling weeds are more easily killed than older, mature, well-established grassy weeds which may require a repeat application for control. Adding oil concentrate may help control of grassy weeds.

  • Barnyardgrass
  • Bermudagrass
  • Broadleaf Signalgrass
  • Crabgrass - Large, Smooth
  • Fall Panicum
  • Foxtails - Giant, Green, Yellow
  • Goosegrass
  • Johnsongrass - Seedling, Rhizome
  • Junglerice
  • Lovegrass
  • Orchardgrass - Seedling
  • Quackgrass
  • Tall Fescue - Seedling
  • Texas Panicum
  • Shattercane/Wildcane
  • Wild Proso Millet
  • Wirestem Muhly
  • Witchgrass
  • Wooly Cupgrass

Rating Snapshot

5 stars   8
4 stars   5
3 stars   1
2 stars   2
1 star   4

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Average Customer Rating
3.5 out of 5 stars (20)

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Most Helpful Customer Reviews
  • 48 of 49 people found this review helpful:

    5 of 5 stars  Great Product!
    By Tim in Kansas on 05/26/2011
    Verified Purchase

    This Over the Top II is a great product that works very well as long as you follow the instructions to the letter. You must use an oil additive with it, such as Spreader Sticker, because all grass, even crab grass, has a waxy coating that causes water and chemicals to bead up and run off, thus greatly reducing the effectiveness of any chemical. I used Spreader Sticker with the Over the Top II and all of the crab grass that I sprayed had stopped growing after 24 hours and was completely dead within 10 days. Of course I sprayed the crab grass when it was still relatively small. It also worked, with the same result, on the Bermuda grass I sprayed.

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  • 27 of 28 people found this review helpful:

    5 of 5 stars  Did the job
    By Charles in Foley,AL on 10/13/2012
    Verified Purchase

    Have been looking for something to get rid of the Bermudia grass in my lawn without killing my Cenipede grass. Tried this product and it eliminated the problem. It did so well that some of my neighbors saw what happened to my lawn and now they are using this product as well.

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  • 24 of 26 people found this review helpful:

    5 of 5 stars  It Works!
    By Bill in Fairfield, CA on 07/07/2012
    Verified Purchase

    I am currently using this product to kill the grass that is growing in my Strawberry Groundcover. It looks like it is working. I was dubious, since I could not find an Ortho or Monsanto product that claimed to kill grass but leave groundcover unharmed. However, I am also incredibly lazy, so I decided to try it. It works.

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  • 20 of 21 people found this review helpful:

    5 of 5 stars  it works
    By Lloyd in lakeville in. on 07/04/2011
    Verified Purchase

    a lot of products you purchase today are not as advertised,fertilome over the top11 grass killer works very well,the service i received was fast and accurate,if i need any more i will certainly get it from do my own.thank you L.R.McCoige.

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  • 19 of 19 people found this review helpful:

    5 of 5 stars  Over The Top II
    By Alton in Bandon OR on 06/23/2014
    Verified Purchase

    This takes care of the grass without damaging my wife's perennials and moss.

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Most Recent Customer Reviews
  • 3 of 5 stars  Not sure if it works.
    By Lydia in Texas on 09/26/2016

    It has been almost 3 weeks since I sprayed this. It seems like the weeds have stopped growing but they are not dead. I used this with the spreader sticker on newly planted Asian jasmine, which survived the spray. Was hoping the weeds would be dead by now. I previously pulled weeds in one area and sprayed there afterward. There are no weeds growing there now.

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  • 5 of 5 stars  Great Stuff!
    By Owen in Raleigh, NC on 08/18/2016

    Bought to eradicate extensive amounts of crabgrass and stilt grass that had invaded my Tall Fescue lawn (or what was left of the lawn). Sprayed this mixed with Spreader-Sticker in a pump sprayer before the crabgrass went to seed. Stopped all growth (haven't had to mow at all) and starting turning brown within 3 days. After a week, every crabgrass was brown or well on it's way. Lawn looks like heck (no more green) but the lack of rain hasn't helped either. Next up is aeration and overseed. Raleigh NC

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  • 4 of 5 stars  So far.....
    By Seth in Hamlet on 08/05/2016

    I bought this to control Bermuda in my centipede lawn. It has been two weeks from application day and the Bermuda has been knocked way back. It may take 1 to 2 applications to achieve total control but my centipede is unharmed. That being said I am pleased with the product.

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  • 3 of 3 people found this review helpful:

    1 of 5 stars  useless
    By Steve in Canterbury ct on 08/19/2015

    I mixed and sprayed as directed and it had zero results after two weeks, not even a yellowing of the grass. A wasted $45

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  • 5 of 7 people found this review helpful:

    5 of 5 stars  KILL THEM WEEDS
    By Joe in 38135 on 09/19/2013

    Works great!

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  • 7 of 7 people found this review helpful:

    4 of 5 stars  Works
    By Jg in Tuscaloosa, AL on 08/05/2013
    Verified Purchase

    Using to kill crabgrass in Centipede grass. Product seems to be working. It's been about a week and weeds started yellowing. My yard has gotten very infested with crabgrass. But this seems to be working. Lawn is still alive.

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  • 6 of 7 people found this review helpful:

    5 of 5 stars  Great Stuff
    By in Tallahassee, FL on 07/23/2013
    Verified Purchase

    I bought more only because I missed spots with the 1st bottle. Takes about 2 weeks to kill the bermuda grass in my centipede. As I walk around the yard I see I'll have to buy another bottle, but it works!

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  • 14 of 14 people found this review helpful:

    4 of 5 stars  Fertilome over the top II grass killer
    By Oliver in Yulee, Fl on 10/24/2012
    Verified Purchase

    I have used this product about weeks ago and it appears to be knocking down the bermuda grass with no apparent damage to my St. Augustine. I also used it in my front yard where I had the bermuda coming into my newly installed Zenith Zoysia. I just tried a small area, but it appears safe for the Zoysia as well.

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  • 3 of 7 people found this review helpful:

    2 of 5 stars  confused
    By Brian in New York City, NY on 09/04/2012

    I mixed it according to the label, along with spreader, sprayed on some weeds and grass, it killed both. What's up with that? I will try again, maybe I mixed it wrong.

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  • 9 of 17 people found this review helpful:

    1 of 5 stars  Needs to be mixed with Oil Concentrate
    By Tom in Hamilton, MA on 08/18/2012
    Verified Purchase

    I thought it would be just a matter of mixing with water, but the directions say to mix with "oil concentrate". I now see that it's mentioned in bold red font on the website, not sure how I missed it. After some research I found that this refers to Non-Ionic Surfactant for Herbicides  which I'm sure would have worked great, but I really wanted to get this stuff applied as the weeds were choking out my low lying juniper plants. I didn't want to wait another week to get it, and it's not cheap, so I mixed it with Jet-Dry for dishwashers. It's the non-ionic property that is important, but many farmers just use laundry detergent or dish-washing liquid which is not non-ionic as it's far cheaper. I applied it 2 weeks ago and have not noticed any significant change. I called Do My Own Pest Control and left a message 5 days ago and never heard back from them. Fertilome has no customer support that I could find.

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Most Helpful Q&A's

03/20/2012 David from Cleveland Ohio

QRecommended Weed Killer for flower bed and around tree/shrubs?
I have a lot weeds in my shrub bed and I would like to use something that would kill the weeds but not the trees and shrubs.

AWe do carry a few products that can be used in flower beds and around trees and shrubs. Fertilome Over The Top Grass Killer (post emergent), Hi Yield Weed and Grass Stopper (pre-emergent) and Dimension 2EW (pre-emergent) and several others. We recommend you identify the weeds you are having issues with before selecting a product as most products only work for the weeds they list on their product labels. You can contact your local cooperative extension office and speak to the master gardener on staff if you need help identifying weeds. The master gardener can also tell you what type of herbicide will work best in your region right now (pre or post emergent) and won't damage your ornamental plants. Always be sure to read the product label of the product you select before purchasing to make sure the weeds you are trying to eliminate are listed and the ornamental plants you have are listed as a species that is tolerant to the herbicide. All product labels (for the products we carry) can be found on the individual product pages under the pictures of the product.

27 of 34 people found this answer helpful.
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08/03/2011 Patti

QWhat is the oil concentrate that is mentioned in mixing instructions?

AThe oil concentrate is a surfactant.  Most herbicides should always be mixed with a non-ionic surfactant.  This is because since grass and plants have waxy coatings on them, most herbicides that are mixed with water do not stick very well to this waxy coating.  Adding a surfactant breaks down the wax on the grass or ornamentals and allows the solution to stick and work much better.  We sell the non-ionic surfactant on our website and it is also linked on the Fertilome Over-The-Top page.

24 of 25 people found this answer helpful.
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02/26/2012 Margaret from 9155 Wingtip Dr. , Houston, Tx 77075

QIs over the top II safe for rose bushes?
I have bermuda grass creeping in my rose garden. It is hard to pull up that pesky stuff. I would like to kill the bermuda grass but keep my roses safe.

AYes, Over the top can be used over ornamentals, including roses.  Just make sure you use it at the labeled rate on the instructions.

19 of 19 people found this answer helpful.
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01/10/2012 Randy from Belfast,va.

QIs Fertilome Over the Top II Grass Killer safe for strawberries and raspberries?

AFertilome Over the Top II Grass Killer is labeled for use for both raspberries and strawberries. It is important to read and follow the product label to ensure you follow the pre harvest interval guidelines.

7 of 7 people found this answer helpful.
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03/24/2013 Randy from Edgerton

QIs Fertilome Over the Top II Grass Killer safe for asparagus?
Plants are 3years estabolished

AFertilome Over the Top II Grass Killer is labeled for use on asparagus plants.

6 of 6 people found this answer helpful.
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Most Recent Customer Questions

05/08/2016 Jeff from Kingman In

QIs Fertilome Over the Top II Grass Killer safe for Christmas trees?
The label indicates safe for firs, but is this safe for Eastern White Pine, Scotch Pine, Meyer Spruce and Blue Spruce?

A

Fertilome Over the Top II Grass Killer† per manufacturer is safe to use around Christmas Trees. Be sure to review the product label before application.†

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04/22/2016 Kim from Wichita, Ks

QWill Fertilome Over the Top ll kill blue grass and not hurt sedum and vinca ground cover?

A

Fertilome Over the Top II is specially designed to kill grasses and grasses only and can be sprayed over the top of ground covers, flowers and ornamentals without harming them.†

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03/22/2016 Miles from Lindsborg, Ks

QHow does Fertilome Over the Top II Grass Killer affect Bermudagrass? Will it affect tall fescue?
I want to kill some Bermuda grass in my yard, but have tall fescue mixed in with it. Will it kill the Bermuda grass and leave the fescue alone or will it kill the fescue also? Thanks!

A

Fertilome Over the Top II is a grass killer so it will bermudagrass and tall fescue grass.

Bermuda would be considered a grassy weed, so you need a product that is geared towards grassy weeds and not broadleaf weeds.† We want to be clear that bermuda can be suppressed, but it is VERY difficult to kill completely.† It will take multiple treatments to finally kill it.† But Fusilade II is usually the go to product for this issue.†

This is directly off of the product label:

Apply 0.07-0.14 oz/1000 sq. ft. (3-6 oz./A) along with 0.25% v/v (1/2 pt./25 gals.) of a nonionic surfactant. Application should be made every 28 days when the grass weeds are actively growing. The higher rates may result in temporary discolorization of the desirable turf with recovery in 10-14 days. Do not apply to desirable turf which is under stress. For best results, make applications in spring and fall and avoid treatments during July and August.
Complete control of undesirable grass may take 1-2 growing seasons.

We also recommend calling your local county extension office as they usually know the optimum times for spraying lawns in your area.

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03/12/2016 Ray

QIs Fertilome Over the Top II Grass Killer safe to use in vinca minor beds?

A

Vinca minor, aka periwinkle, is listed on the Fertilome Over the Top II Grass Killer product label†as tolerable to the product.

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11/20/2015 Kay from Corpus Christi, Tx

QIn Texas, what is the best thing to kill Johnson Grass growing through felt and granite xeriscape?

A

Fertilome Over the Top II is one of the most popular herbicides to kill grasses such as Johnsongrass around landscape ornamentals. We are not sure if it would behave differently in xeriscaping or not, just be sure to check the product label to be sure that your plants will be tolerant to it. Be sure to use a surfactant such as Hi-Yield Spreader Sticker with Over the Top II.

0 of 1 people found this answer helpful.
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10/31/2015 Barbara from New Braunfels

QCan you use Fertilome Over the Top II Grass Killer to kill weeds over succulents and/or cactus?

A

Yes, Fertilome Over the Top II can be used over cactus/suculents.

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07/06/2015 Wayne

QWhere can I buy Fertilome Over the Top II Grass Killer?

A

You can buy Feritlome Over the Top II Grass Killer on our website or you may contact our facility at 1-866-581-7378 for further assistance. 

2 of 2 people found this answer helpful.
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06/26/2015 Brad from Hahnville

QWill over the top kill Aztec grass and agapatha

AFertilome Over the Top II Grass Killer will kill pretty much any grasses you appy it to. What are you treating for? 

0 of 1 people found this answer helpful.
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05/12/2015 Jason from Pa

QHow much Hi-Yield Spreader Sticker to add to Fertilome Over the Top II Grass Killer per gallon?

ADifferent surfactants will offer different ratios and dilutions for various applications and treatments. If you are applying Hi-Yield Spreader Sticker with Fertilome Over the Top II Grass Killer you will mix 2 to 4 teaspoons per gallon of water to the amount of Fertilome Over the Top needed for your specific application. Please refer to the product label for complete instructions.

2 of 3 people found this answer helpful.
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05/08/2015 Greg from United States

QWhat is a post emergent herbicide that controls grassy and broad leaf weeds in asiatic jasmine?

AYou could use a product like Fertilome Over The Top II grass killer to control any grassy weeds currently coming up in the asiatic jasmine ground cover that you have. There are not any post emergent products that can be broadcast over ground covers or ornamentals for broad leaf weeds that wont harm everything you spray it over. You would have to hand pull or spot spray with round up on any broadleaf weeds coming up in the jasmine. To prevent having to treat with a post emergent throughout the year, you can treat with a pre-emergent herbicide to prevent both grassy and broad leaf weeds from coming up in your jasmine. One of our best products for that would be Snapshot

2 of 2 people found this answer helpful.
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