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Dimension Herbicide is a specialty selective pre-emergent herbicide formulation that provides powerful control of grasses and broadleaf weeds in turf, over the top of field and container-grown landscape and nursery ornamentals without harm. Dimension 2EW Herbicide is water-based and contains 2 lbs. of the active ingredient dithiopyr per gallon. It provides pre-emergent weed prevention and early post-emergent control of crabgrass, and season-long control of crabgrass, goosegrass, foxtail, spurge and bluegrass annual (Poa annua). Available in 1/2 and 2.5 gallon jugs.
Product Documents
| Active Ingredient | Dithiopyr 24% |
|---|---|
| Target pests |
Grasses: Barley, barnyardgrass, bluegrass (annual) (Poa annua), brome, crabgrass (large, smooth and southern), crowfootgrass, dallisgrass (seedling), foxtail (giant, green and yellow), goosegrass, kikuyugrass, Mary's grass, Oats (wild), Ryegrass (annual and perennial), Sandbur, Smutgrass Broadleaf Weeds: Bittercress, Carpetweed, Chickweed, Geranium (Carolina), Henbit, Knotweed (prostrate), Lespedeza (common), Marestail, Medic (black), Mulberry weed, Mustard, Oxalis (buttercup), Parsley-piert, Pigweed (redroot), Pineapplewood, Purslane (common), Rocket (London), Shepherdspurse, Speedwell (corn), Spurge (garden, prostrate, spotted), Woodsorrel (creeping, yellow) |
| For use in |
Field and Container-grown Nursery and Landscape Ornamentals, Commercial and Residentail Lawns, Golf Course Fairways, Roughs and Tee Boxes, and Commercial Sod Farms * For Cool and Warm Season grasses * See label for complete list |
| Application |
0.28 - 0.73 oz. per 1,000 sq. ft. .75 - 2 pints per acre * Use a Surfactant to increase effectiveness for postemergence control past the 5 leaf stage of growth of crabgrass only * See label for complete application instructions |
| Formulation | Professional Product |
| NOT FOR SALE TO | NY (Restricted To Licensed Applicators Only) |
| Shipping Weight | 4.31 lbs |
| Manufacturer | Corteva Agriscience |
| UPC | |
| EPA Registration | 62719-542 |
Dimension 2EW specialty herbicide provides preemergence and early postemergence control of crabgrass, and season-long control of crabgrass, goosegrass, foxtail, spurge and Poa annua (annual bluegrass). Dimension can be used over the top of field- and container-grown nursery and landscape ornamentals, and in established lawns, golf course fairways, roughs and tee boxes, and commercial sod farms.
Features:
Excellent Product for Preventing Crabgrass Emergence
By Chad on 05/20/2013
Verified Purchase
I purchased this product a few weeks ago in half gallon jug. My yard is about 18,000 square feet of grass. Had a big problem with crabgrass infestation every year. Through research, I discovered that crabgrass seeds germinate in the spring when soil temps reach about 50 degrees. I monitored soil temps via a local university agriculture website. When soil temps at 2 inches deep got near 50 degrees I applied Dimension. I measured out 3000 square foot areas and applied the product using a pump sprayer. I put about 5 teaspoons in a gallon of water. One gallon of water seemed to be the right amount to cover the 3000 square foot area. Turned on my sprinklers and made sure each area got a 1/2 inch of watering. I placed a 9x13 pan in each area and watered until the pan had 1/2 inch in it. Days later my crab grass areas are bare with beautiful green desirable grass surrounding. I plan to fertilize over Memorial Day weekend in order to promote desirable grass to spread to the bare areas. Remember this product prevents seed germination, so you must apply before crabgrass emerges and not after.
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215 of 229 people found this review helpful
Don't Buy it
By $159 on 03/19/2012
Verified Purchase
It hasn't yet prevented anything and didn't kill anything that was there...........don't buy this product.
Expert response:
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187 of 353 people found this review helpful
Works great but don't save any for next year
By Randy on 03/08/2015
Verified Purchase
Pretty aggravated today. Used this last year and it worked great. I had 3/4 gallon left over and tried to use it this year. Something falls out of suspension, likely the active ingredient but I don't know. And, there is no amount of shaking that will mix it back up. I used it anyway having to stop every fifty feet to clean the filter in the tank. So, if you buy it use it.
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156 of 161 people found this review helpful
Excellent Product, but Application Needs Clarification
By Jeff on 03/14/2017
I've been using this product for a couple of years now in the Piedmont of North Carolina, and it works far better than other liquids in my opinion because of its ability to prevent not only crabgrass, but a multitude of other weeds that are native to this area. That said, one of the application requirements that has always been confusing to me and many others when I scroll through the comments section on this website and other sites, is the timing required for watering in the product. Well, I called Dow Agro on several different occasions in order to get different tech support personnel to see if they all gave the same answers to the question "exactly how long do I have to water in this product?" And they all gave the same basic answer: if rain doesn't come right away, the product will stay on your grass for roughly 2 weeks to 30 days before it degrades either through exposure to the elements or mowing your lawn. This is important to know because what is confusing on all of these sites when researching this product, is exactly what does "activation" with 1/2" of rainfall mean. Activation simply means that the chemical moves into the soil for a couple of inches, therefore, any buried weed seedling will not germinate when conditions are conducive to germination. So, even though the product won't have any effect on crabgrass or weeds until it actually gets at least 1/2" of rainfall, it doesn't mean the product still can't be activated, say, 3 weeks after application when it does finally rain--again, it just won't have any affect on weeds or crabgrass until that time. In short, I think it's important for people to realize that the recommendation for watering in this product of 24 to 48 hours is somewhat deceiving. Of course most people would like this product to start working right away, and the only way it can do that is with watering in immediately after application, but if rain doesn't come in time, it doesn't mean the product becomes ineffective; again, though, mowing your yard while waiting for rain can affect the distribution of the product, but the chemical is still there and won't degrade for up to one month after application.
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116 of 125 people found this review helpful
Crabgrass control
By Jack on 05/28/2012
Verified Purchase
I have wrestled with a vigorous crabgrass invasion and 'Dimension' has exceeded all expectations in controlling this. I estimate a 98% eradication of any new crabgrass seedlings and am left with the best looking bare areas I could wish for. I believe two key steps made this so successful. The first is I made split applications with 8 oz/25 gal tank of water applied in early April (Mid-west), which was followed with a 0.3 inch rainfall. A second application four weeks later was followed with 1.1 inches of rain. When I use Dimension again next year I will dilute even further so more water is used in each application. In total I have treated approx two acres and gained excellent control of crabgrass. Roundup has taken care of those mechanical escapes.
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94 of 99 people found this review helpful
Herbicides are a lot different than other concentrated products and can be hard to understand at first. The application rate depends on the the type of turf you have and how quickly you apply the product. You will need to read the product label to determine the correct usage rate for your needs (you did not give us any information about the type of lawn, region or application program you will be using so we cannot give you exact rates). The amount of water used to apply Dimension herbicide is not critical, but should be sufficient for uniform coverage of the target area. Calibrate by determining the volume of water required to treat 1,000 square feet. Use this calibration volume to determine the amount of water and Dimension herbicide needed to treat the target area (see the following calibration example). Note: Sprayer calibration (volume of spray needed to treat 1,000 square feet) will vary with each individual operator.
Steps in Calibration:
1. Mark an area of 1,000 square feet (i.e. 20 by 50 feet or 25 by 40 feet).
2. Place the sprayer on a level surface and add water noting the final level of water in the spray tank.
3. Spray the marked area with a sufficient volume of water to provide uniform coverage. Refill the sprayer to the same level as before measuring the amount of water added. The measured water added to the sprayer is the volume needed to cover 1,000 square feet.
4. Determine the application rate (0.55 - .73 fl. oz./1,000 sq. ft.) for Dimension from the Recommendations section of this label.
5. To each volume of water used as measured in step 3, add the amount of Dimension as determined in step 4.
Example: If the sprayer uses 1 gallons of water to cover 1,000 square feet and the desired application rate of Dimension is .55 fluid oz./1,000 square feet, then you would add .55 fluid ounces of Dimension to every 1 gallon of water to be used."
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158 of 191 people found this answer helpful
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139 of 142 people found this answer helpful
I purchased a jug of dimension 2EW last March and today when I got ready to take it out of the locker the chemical properties appeared to have separated. Bronze colored liquid at top 2/3 of the jug and a thicker, pasty looking white colored substance in bottom 1-2 inches. Is the product still good. I tried to shake it but it did not seem to mix well again.
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77 of 88 people found this answer helpful
You will need .75 - 3.0 pints of Dimension 2EW per acre. The exact amount you will need will be based on what region you are located in and what program you choose. Please refer to page 5 of the Dimension 2EW Herbicide Label for more specific information.
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65 of 80 people found this answer helpful
Dimension 2EW Herbicide
Rating: 4.6 (59 Reviews / 299 Q&A)
