Model # 058001005

Internet #205685299

Store SKU #894928

HDX 32 oz. Weed and Grass Killer Concentrate


32 oz. Weed and Grass Killer Concentrate

$10.47 /each

Frequently Bought Together

Product Overview

HDX Weed and Grass Killer Concentrate kills unwanted plants by inhibiting the production of a substance found only in plants. It enters through the sprayed foliage and moves down to the roots. Avoid direct spray or drift onto desirable plants, lawn grasses, shrubs and trees. Protect desirable plants and vegetation with a piece of plastic or cardboard. If desirable plants are accidentally sprayed, wash with water immediately. Any HDX Weed and Grass Killer Concentrate that is not absorbed by the plant is broken down into natural materials. This product has no soil activity. Do not mow, cut or otherwise disturb treated vegetation for at least 7 days following application. Most treated weeds usually show initial symptoms in 2 to 4 days and complete kill in 1 to 2 weeks.

  • Visible results in 2-4 days
  • Kills the root
  • With surfactant
  • For best results apply during warm, sunny weather (above 60°F)
  • Harder to control weed or large weeds may require a repeat application
  • Apply when weeds are actively growing and no rain is forecast for 24 hours

Info & Guides

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Customer Questions & Answers

How quick after application can it get wet. Such as if it is going rain in an hour, is it okay to spray?

Asked by: EBS
I would say try to avoid spray if you know its going to rain for a least 12+ hours. Since the runoff might kill something else that wasn't intended to be sprayed.
Answered by: Carlex
Date published: 2017-04-11

How long to wait after application until it is safe to seed the treated area with tall fescue?

Asked by: revo
Glysophate is a foliar spray - as I understand it, once it contacts the soil, it basically becomes inert - there's no residual effect. Users have had success spraying and seeding the same day. HOWEVER - remember that this is glysophate. Nearly every other weed killer [2-4D (aka weed-b-gon), Triclopyr (Clover, Chickweed, Oxalis Killer), etc.] _does_ have a residual effect, which is why most of their labels say "seed after x days (usually 14-21). Lastly - the above "spray and seed" only applies to "pure" glysophate - where there's not additional ingredients. Read the label. Anything marked "extended control" (RoundUp 365) will, as the name implies, prevent any new growth. (Any = new weeds AND new grass)
Answered by: Gags
Date published: 2017-04-11

How much concentrate do i use per gallon

Asked by: Karolin
1.5-2oz 1.5 works for general application, 2oz is for more persistent vegetation.
Answered by: firesfate
Date published: 2017-03-09

What about animals and HDX

I sprayed around a mesquite tree where the pods from the tree fall. My horses like to eat the pods. Will it be dangerous for them to eat the pods 7 days after I have sprayed the HDX? If I spray for weeds in the pasture will it be dangerous for my horses?
Asked by: David
You need to be cautious. HDX is very potent...
Answered by: melen001
Date published: 2016-12-03
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Customer Reviews

32 oz. Weed and Grass Killer Concentrate is rated 3.2 out of 5 by 37.
Rated 5 out of 5 by from I did some research on Round Up and other brand name weed killers and this is what I found... Bas... I did some research on Round Up and other brand name weed killers and this is what I found... Basically all "weed and grass killers" have the same active ingredient GLYPHOSATE ISOPROPYLAMINE SALT which is what kills the weeds & grass. This is not a "selective herbicide" and it will kill all vegetation so you should not us it on your lawn to kill weeds. It will take a week or so to kill all your vegetation. All the hype about other brands that advertise "2 to 3 hours" or "next day" dead weeds is a scam. These products, like Round up, have different chemical additives that will discolor the weeds to make them look yellowish or light brown and you will think that they are dead which is not true. That's what these name brands want you to think. It will take a week or 2 for all the vegetation to die. Some have higher concentration than others but they are ALL THE SAME. I was informed by a farmer friend that if you add a couple of table spoons of table salt to the recommended mixture that it will help some and if your weeds & grass is high add an additional table spoon or two of HDX concentrate which just might do the trick... He also suggested that you can spray every other week for very infested areas. But it's like he said, "you must be patient and give it time to work". So save some cash and just follow instructions as listed on the bottle and you will be fine and weeds with be DEAD as advertised. BTW, best time to spray is on hot dry days with no rain in the near future, at least 2 to 3 days. That's what I do and it works just fine.
Date published: 2016-12-03
Rated 2 out of 5 by from I bought this product last fall and it worked just fine. I used about half the bottle. The bott... I bought this product last fall and it worked just fine. I used about half the bottle. The bottle sat in my shed over the winter and went through a few freeze/thaw cycles (maybe 5 times this past winter). I tried using it last weekend (Feb-18) b/c the weeds are coming up in this warm February we're having in Maryland. It's now 6 days later and the weeds show no effect of having been treated. I don't know if the active ingredient is dead b/c of the freeze/thaws, but I didn't have this problem in the past when I've bought Roundup. Are all glyphosates the same, or are the other HDX additives causing the degradation of the active ingredient???
Date published: 2017-02-24
Rated 5 out of 5 by from I've used other ground cleaners and they do not work as great as this one. I have used this for a... I've used other ground cleaners and they do not work as great as this one. I have used this for a few years now and always get the great results. I noticed it might take a few days to a week but it will eventually kill EVERYTHING that was sprayed with this. Be careful when using it and spray ONLY what you want gone. Used this to clear my front lawn due to overrun with weeds. Used this 2 weeks before over-seeding for new lawn.
Date published: 2017-04-11
Rated 5 out of 5 by from VERY effective, economical alternative to Roundup...just follow the directions! I've used this product all season with great results. The active ingredient, glyphosate, is the same and in the same concentration as Roundup Pro, and has been equally effective in my usage. Mixing to stronger concentration levels doesn't improve effectiveness, it just wastes your money. Just remember to read and follow the directions dummy! Apply when the weeds are growing and actively transpiring (when it's sunny), preferably in the morning when it's calm and there's no rain in the forecast. Then, wait and be patient... It takes several days to kill. I'm trying to control weed growth in over 4 acres of gardens and HDX is a great money saver!
Date published: 2016-06-27
Rated 5 out of 5 by from Use common sense folks glyphosate.... is .... glyphosate.... okay let's use some logic here.... this is the main active ingredient in almost every weed killer on the market.... it works very very well.... although other brands work twice as fast they also cost twice as much ! I couldn't be more pleased with the results of this brand .... it took about 2 weeks for total weed destruction.... don't believe the other reviews.... use common sense ... glyphosate is glyphosate .... you can either microwave tough meat ... or crock pot it .... slow and easy wins this race for HALF THE PRICE !!!
Date published: 2016-05-25
Rated 5 out of 5 by from Great product I love this product. It is economical and works very well. Can only find it at Home Depot.
Date published: 2017-02-23
Rated 4 out of 5 by from How to improve effectiveness For those of you disappointed with your results, I say this is all about chemistry and botany. This has 41% "Glyphosate". If you used the prescribed 1 1/2 oz. per gal. Your results will occur, but, very slowly, taking weeks and weeks for very resistant weeds. If you want to see faster, more visible results, increase the dosage to around 3 or 4 oz. per gal. Also, for those who feel other products are better, like Roundup or Sprectracide, look at the dosage per gallon. I think RU is 6 oz/gal and Spect. is like 7 oz/gal. These products are NOT magic in a bottle. It's chemistry !! I used 1 1/2oz per gal and after 2 weeks started to notcie a difference and after 6 weeks, saw visible signs of the plants demise. This is on "Garlic Mustard Weed", which is tougher to kill than say grass or dandelions. When I increased the dosage to 3 oz/gal. on the same type of weeds, I saw a slight change in 3 days, or visible decline in 1-2 weeks. So increase the dosage, if you want quicker, more assured results. What your really paying for is the "Glyphosate". That's the active ingredient that attacks the plants. If you really want to see quick, fatal results, use the dosage that RU and Spec. call for. Oz, for oz, HDX is the cheaper, less expensive product, generating effective results, in my opinion.
Date published: 2016-05-13
Rated 1 out of 5 by from You get what you pay for Buy Roundup and see results in a day. Buy this stuff and, well, maybe you'll see something eventually. I didn't, though.
Date published: 2016-12-19
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