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From the manufacturer
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| Ortho GroundClear Weed & Grass Killer | Ortho WeedClear Lawn Weed Killer - North | Ortho WeedClear Lawn Weed Killer - South | Ortho GroundClear Year Long Vegetation Killer | Ortho GroundClear Poison Ivy & Tough Brush Killer | |
| Customer Reviews |
6,977
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9,031
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1,866
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16,383
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3,302
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| Price | $18.93 | $21.98 | $22.47 | $35.97 | $29.99 |
| OMRI Listed | ✓ | ||||
| What It Does | Kills all types of weeds and grasses | Kills major broadleaf grass weeds, including dandelion, chickweed, clover, crabgrass, and foxtail | Kills over 250 weeds, including dollarweed, dandelions, clover, and chickweed | Kills weeds and grasses and prevents new growth for up to 1 year | Kills poison ivy, poison oak, kudzu, wild blackberry, and other listed weeds |
| Where to Use | Hardscapes, landscape beds, and around vegetable gardens | Northern Lawns | Southern Lawns | Hardscapes | For spot treatment near structures, fences, and trails |
| Visible Results | In 15 minutes | In hours | In hours | In 1 hour | In 24 hours |
Videos
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Videos for this product
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Ortho Ground Clear Review and Demo
The Thoughtful Woodworker
Compare with similar items
This Item  Ortho GroundClear Year Long Vegetation Killer Refill - Visible Results in 1 Hour, Kills Weeds and Grasses to the Root, Up to 1 Year of Weed and Grass Control, 1.33 gal. |  |  |  |  |  | |
| Price | — | -10% $25.98 List: $28.99 | -5% $32.33 List: $33.99 | -6% $80.45 List: $85.99 | $29.97 | $19.98 |
| Delivery | — | — | Get it as soon as Tuesday, May 14 | Get it as soon as Tuesday, May 14 | Get it as soon as Tuesday, May 14 | Get it as soon as Tuesday, May 14 |
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| Sold By | — | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com |
| liquid volume | 1.33 gallons | 1 gallons | 1.25 gallons | 1 gallons | 1 gallons | 1 gallons |
| coverage | 400 square feet | 300 square feet | — | — | 300 square feet | — |
| form | Spray | Spray | Spray | Spray | Liquid | Spray |
| weight | 12 pounds | 2.44 pounds | 10.89 pounds | — | — | 8.86 pounds |
Reviews with images
Just the thing for problem spots
The ramp in the photo is too wide and low to weed underneath with any tool I have. It’s so big and heavy that if I pick it up to weed, it’s tough to replace it without damaging the building. I’ve depended on glyphosate. In my experience, it takes several days to see if glyphosate is working. During that period, weeds keep growing and I don’t know if I need to spray again.The last time, it took a week to kill the weeds. Two days later, new weeds were already quite big. I bought Groundclear to work faster and longer.A gallon of concentrate makes 5.3 gallons of mix, so it would be expensive to spray a large area. I made a liter. I put the bottle of a 2-liter pump-up sprayer on a scale, added 190 grams of concentrate, and added water to bring it up to 1,000. That was plenty for the ramp area and to test on other trouble spots.Later that afternoon, the crab grass and wire grass looked rusty and wilted. I took the photo 24 hours later. The camera still didn’t show had bad the leaves looked. I had also sprayed broadleaf weeds. I kept an eye on them for 10 days and saw no change. Maybe their leaves were more water repellent. Next time, I’ll add a little dish liquid.Pelargonic acid "burns" leaves. It’s 1% of the spray. It’s a fatty acid that’s in some human foods. It harms only leaves, and some weeds can grow new leaves.Imazapyr is 0.1% of the spray. Absorbed by roots, it kills plants. That rules out using Groundclear near shrubs or trees. In the soil, its half-life is in months, so it may work for a year. It helps to wash it in soon because light reduces the half-life to days.Keeping weeds from sprouting would greatly reduce weed problems. I’ve found that an application of Prodiamine will prevent sprouting for a couple of months. It takes only 5-15 grams per thousand square feet, so it’s cheap to use. For smaller jobs, I have a scale that reads to .01 gram.Prodiamine doesn't kill existing weeds or prevent encroachment, so Groundclear offers more protection. I’ve ordered a 1.5-liter sprayer. I don’t anticipate needing so much at one time, but if I keep the sprayer in a cardboard box to protect the herbicide from light, I’ll probably use it often.
Top reviews from the United States
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Reviewed in the United States on April 3, 2024
Size: 1.33 gal.Style: Comfort Wand + RefillVerified Purchase
