Customer Reviews for Grass Out Max (Clethodim Herbicide)

Grass Out Max is just the tool we were looking for! In a new orchard planting that was previously hay field we had tons of grass intrusion even after getting a strong initial kill before planting. Started using Grass Out Max around trees and at the base of perennial berry bushes and now only have to spot treat. We love this product!

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2 of 2 people found this review helpful

I followed directions exactly, I had grass in ornamental plants. In 2 weeks grass died, perfect, thanks.

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2 of 2 people found this review helpful

The product worked great. I used it on my food plots which had a lot of foxtail, among other unwanted grasses. After 1 week, I could see that some grasses were starting to die off, but not all, so I sprayed a second time. I probably could have been more patient, but I wanted to make sure I hit everything. 2 weeks after the first application, I really noticed the results. I bought this with the surfactant, as suggested, and I was really pleased.

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2 of 3 people found this review helpful

My soybeans are being overtaken by grass. I tried spraying twice and this stuff hasn't worked at all.

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1 of 5 people found this review helpful

Save your money.

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1 of 9 people found this review helpful

Do waste your money. I put to much down and still did not work

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1 of 4 people found this review helpful

I had received misinformation which was corrected with a second call to DoMyOwn. This product needs a surfactant combined with it. It works and hasn't damaged my jasmine. However, a second application may be necessary after a couple of weeks. Check with DoMyOwn regarding amounts to mix with water. A little goes a long way for homeowner gardeners.

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1 of 1 people found this review helpful

Used this product to kill grasses in our Vinca Minor (Periwinkle) Ivy bed during mid-June NW Ohio, and in about 10 days the grasses were turning yellow and brown. Used Dawn dishwashing detergent as a surficant and gave them another shot on day 11. I would definitely buy again!

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1 of 1 people found this review helpful

Was told this product would not kill my Knock Out Roses, now I have to replace 4 because they are dead but grass is still green. I will be returning this product

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1 of 1 people found this review helpful

Used to eradicate some stubborn grasses from my brassica/clover plot. Took about 10 days to show full effect, but the grass is gone and my crop looks to be fine. Will use this again if needed.

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1 of 1 people found this review helpful

tried this product on my fairly new strawberry bed. Used sparingly just in case. After several days I began to think id skimped a bit much on the mix. a few days later I begin to see the big grass yellow....and several days after pretty much all yellow........as in goodbye grass and hadn't bothered the berry plants at all......Time to hit it again full strength!!! If there's a downside I'd say the mix ratio should be more obvious for the home gardeners...it's very clear for those who are spraying on a large scale Also more appropriate size for the gardener...... I've enough now to last me for a loooooong time......hope there's no expiration date :(

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1 of 1 people found this review helpful

I gave it a 4 star as it is slow but my grass is way over the recommended height. That said, I didn't want to use roundup around my ornamentals to clean out the beds from grass as it will kill everything. I purchased to get rid of grasses and not kill my large clover patches. I seem to be growing quite a crop of crabgrass — could harvest and sell it. ????. Need to start early next year. If you aren't using around ornamentals — use it with MSO as directed. I used a non ionic surfactant as recommended by manufacturer for use around ornamentals and beds of plants, etc. and without killing my clover used as ground cover in vegetable garden. . The disease the manufacturer - actually got to talk to the owner - was the Grass Out at 1/2 Oz per gallon amd the surfactant per its label. Please be careful that the perennials, annuals, etc you are spraying around are not part of the grass family. It will kill anything grass. It does not kill broadleaf weeds which is why it doesn't kill ornamentals etc. I have every grass weed known to man in my lirope (Lily family), spiderwort, Iris, and strawberry beds. I will go back and avoid spraying ornamentals with active ingredient 24-DB which doesn't kill clover, alfalfa, etc. but does kill other broadleaf weeds but not grasses. Make sure you carefully read the labels for both products and if you don't want to kill clover or legumes — make sure you use 24DB not 24D which kills all broadleaf weeds and legumes. Read the labels before using either product — Grass Out Max has different doses for different uses and veggies, etc. - also different lengths of time to wait before harvesting after spraying. Note legumes need to be well established before spraying. Grass Max is a post emergent. It's best to use something early in the season as a pre emergent to keep grassy weeds from germinating and getting established if you can. Agrisel (manufacturer) customer service was very helpful.

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1 of 1 people found this review helpful

I could not keep up with grasses growing in my vegetable garden, especially difficult around my onions and garlic. I used Grass Out Max with 1 oz per gallon of water in a pump up sprayer with some surfactant and total kill of ALL grasses with no harm to vegetables. I'm a true believer.

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1 of 1 people found this review helpful

Use with surfactant and at the recommended rate and it does the job

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works awesome when mixed properly takes a few days but kills the grass.

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I've tried a few other products to eliminate the grasses from beds of myrtle and other ground covers. Nothing seemed to work. After two applications of the Grass Out Max, the unwanted grasses are disappearing from view. The little bit of die-back in the perimeter lawn areas was not unexpected. I used a wetting agent to ensure good contact with the grass blades. Total success might not be evident for a couple of months, but results to date have been very positive.

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have sprayed it 3 times and it has not killed anything.

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Worked very well has stopped growing it's been about six weeks good grass stomper

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I have used this product twice. The first time more as a test to see if it damaged recently planted clover. I choose an area in my yard where grass had completely taken over the clever. In about a week the grass turned yellow then dried out. The clover is starting to grow better. The second time was only four days ago. About half of the grass is yellow and the clover is looking good. I mixed a little more than an ounce to 5 gallons of water and some surfactant. I may spray again in a week.

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wont kill the grass as fast as Glyco but it did not harm the Clover and thats what I needed it to do

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Works as advertised. Added a surfactant and used in sunflower field. Took about 10 days to kill off grass

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Sprayed 12 Oz/Acre 8 hours before a 1/2 inch of rain and almost all grass in my food plot turned brown within 1 week. Remaining grass was brown and dead by the end of 2nd week. Plot was planted 4 weeks before application and has clover, winter peas, alfalfa and turnips which never showed signs of stress.

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Got this product quick and it worked well to kill the grass that was growing in my clover foodplot I had planted for deer.

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Instructions are for acres, not per gallon for smaller scale. Had to guess and 3 days later I can see no difference in the grass.

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0 of 3 people found this review helpful

This product works well on POA. I will definitely purchase again.

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Does what it says. Perineal beds are over sprayed once in spring.... no grass weeds all summer. It's very effective and does kill ornamental grass so be careful... will not harm shrubs or other non grass plants.

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Sprayed grasses in food plot at about 3”, after 2 weeks it looked like a 50/50 kill off. I sprayed again, we'll see what the results are in a couple weeks.

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I followed the directions religiously like I have done with every other product in my yard over the last 20 years. The end result is that my front lawn, Zoysia, is now 90% dead and I have more weeds than I do grass. Here it is the middle May & I am going to have replace my entire front lawn. I have used many such products in the past and have never been so disappointed. One bottle of this product will end up costing me thousands of dollars. Be warned.

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0 of 5 people found this review helpful

I sprayed 3 gallons via a backpack sprayer on my clover plot on 5-18 20. Was back out there today, 5-27-20, and the grasses were looking like there are heading for being dead. It is not an instantaneous kill but it is working like it should. The clover looks great with all the grasses dying out. I am very pleased.

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Quick shipment and delivery. Package was as described. I would recommend this company.

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