How long does Ortho GroundClear last?

Q: How long does Ortho Ground Clear Super last?

Its fast-acting - weeds absorb it on contact so youll start to see weeds and grass wilt within hours and completely die off in 1-week to 2-weeks.

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Member reviews & questions
How long does Ortho Ground Clear Super last?
How long does it take for ground clear to work?
How do you use Ortho Ground Clear year long?
Is Ortho Ground Clear safer than Roundup?

Concentrate formula kills weeds
Prevents re-growth for up to 1 year with a single application
Fast-acting formula starts working immediately
Starts to kill weeds and grasses in 3 hours
Kills tough weeds to the root when used as directed

About this item

Description

Ortho GroundClear Year Long Vegetation Killer1 is formulated to kill weeds and grasses and prevent new growth for up to 1 year. To use this concentrate, simply mix 24 fl. oz. with 1 gallon of water in a tank sprayer. Use on areas where weeds are not desired, including driveways, sidewalks, gravel areas, rock and desert landscapes, under decks, on parking areas, along fences and curb and in unplanted areas. The fast-acting formula should be applied to actively growing weeds. You'll see visible results in 3 hours with Ortho GroundClear Year Long Vegetation Killer1. Mix 24 fl. oz. with 1 gallon of water to cover up to 300 sq. ft. Each bottle creates 10.7 gallons of ready to use vegetation killer that can cover up to 3200 sq. ft.

Mix Ortho GroundClear Year Long Vegetation Killer1 with water
Apply with a tank sprayer to kill weeds and grasses to the roots (when used as directed)
Prevents new growth for up to a year
Apply with a tank sprayer

Assembled Size	6.67 x 9.12 x 12.46 20.31lbs.
Shipping Info	Standard - 4 to 10 business days Ship Info Premium - 1 to 2 business days
Warranty	This product is covered by the Sam's Club Member Satisfaction Guarantee.
Component country	USA
Assembled country	USA

"Membership is required to complete an in-club or curbside pickup purchase at Sam's Club."

Member reviews & questions

Displaying 1 to 16 (of 16 questions)

Asked by Chris from Bellingham, Wa
05/09/2018
Q
Can I re-plant in an area where Ortho GroundClear Vegetation Killer Concentrate has been applied if I put with new soil over top of the sprayed area?
I sprayed GroundClear on area that I intended to plant flowers and shrubs in after weeds and grass killed. Can I still plant with new soil over top of the sprayed area?
A
Ortho GroundClear Vegetation Killer Concentrate can prevent anything growing in the area for up to 1 year. You will need to wait that time to plant in the treated area or completely remove the treated soil and replace with new to plant sooner
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160 of 181 people found this answer helpful.
Asked by Michele from Ct
06/15/2019
Q
Can I spray Ortho GroundClear Vegetation Killer Concentrate directly around vegetables? Will it harm pets?
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74 of 82 people found this answer helpful.
Asked by Marie from Tallahassee, Florida
08/26/2018
Q
I want to use Ortho GroundClear Vegetation Killer Concentrate in an area where there are other shrubs. How far away should I stay from them?
A
All bare ground/vegetation management products like Ortho GroundClear Vegetation Killer Concentrate are recommended to be applied outside the dripline of desirable trees and plants to prevent their feeding roots from absorbing the product. Inside the dripline is where these roots are closest to the soil and could absorb any such product so we would not recommend using any in the area within any desired plant drip lines. Additionally, be sure to protect any desired plants/grasses from overspray.
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36 of 42 people found this answer helpful.
Asked by William from Mechanicsville
08/22/2018
Q
If I spray Ortho GroundClear Vegetation Killer Concentrate near but not on a plant will the plant be ok?
A
Ortho GroundClear Vegetation Killer contains two active ingredients, glyphosate for post-emergent plant control and imazapyr for long-term pre-emergent treatment. This product will affect any plants that you spray with it, but it can also kill plants if their roots contact treated soil. Since this product is designed to last in the soil for many months, you should not spray it where there would be any contact or runoff with the root systems of desirable plants.
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35 of 41 people found this answer helpful.
Asked by Tim from Buchanan, Mi
06/30/2019

Q
Is it safe to pull the dead weeds after spraying them with Ortho GroundClear Vegetation Killer Concentrate?
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27 of 31 people found this answer helpful.
Asked by Rhonda from Toms River, Nj
06/12/2019
Q
Can I use Ortho GroundClear Vegetation Killer Concentrate on rocks?
Can I use Ground Clear on rocks I have an area where there’s nothing but white rocks will it penetrate and keep the weeds from coming through
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24 of 26 people found this answer helpful.
Asked by Michael from Va Beach, Va
02/20/2018
Q
Will Ortho GroundClear Vegetation Killer Concentrate kill moss on a patio?
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18 of 24 people found this answer helpful.
Asked by Cindy from Mendota
07/06/2019

Q
Should I weed eat before using Ortho GroundClear Vegetation Killer Concentrate?
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16 of 20 people found this answer helpful.
Asked by Frank from Lee's Summit
07/19/2019
Q
Is Ortho GroundClear Vegetation Killer Concentrate harmful to bees?
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13 of 18 people found this answer helpful.
Asked by Donald from Bear Creek Township, Pa
07/14/2019
Q
Can I use Ortho GroundClear Vegetation Killer Concentrate adjacent to a drinking water well?
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12 of 14 people found this answer helpful.
Asked by Maryann from Phoenix, Az
02/11/2020
Q
Is Ortho GroundClear Vegetation Killer Concentrate water soluble?
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11 of 13 people found this answer helpful.
Asked by Pablo from Pa
06/17/2019

Q
Would Ortho GroundClear Vegetation Killer Concentrate damage a tree if I spray the tree root suckers?
A
All bare ground/vegetation management products like Ortho GroundClear Vegetation Killer Concentrate are recommended to be applied outside the dripline of desirable trees and plants to prevent their feeding roots from absorbing the product. Inside the dripline is where these roots are closest to the soil and could absorb any such product so we would not recommend using any in the area within any desired plant drip lines. Additionally, be sure to protect any desired plants/grasses from overspray.
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10 of 13 people found this answer helpful.
Asked by Elaine from Mchenry Il
07/07/2019
Q

Is Ortho GroundClear Vegetation Killer Concentrate safe to use by a pool?
I have rocks around my inground pool with a bunch of weeds and grass growing thru. I’m worried about when it rains that it will wash the chemical into my pool.
A
Yes, Ortho GroundClear Vegetation Killer Concentrate would be safe around the pool as long as overspray is not getting in it during application. After the area has dried unless the soil is completely displaced and gets into the pool there is no concern about rain getting the product into it as it only moves in soil areas.
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6 of 10 people found this answer helpful.
Asked by Shirley from Wi
07/25/2019
Q
Will Ortho GroundClear Vegetation Killer Concentrate damage mature trees if I painted a buckthorn stump closer than the drip line?
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4 of 6 people found this answer helpful.
Asked by Deanna
02/03/2020
Q
Do you have Ortho GroundClear Vegetation Killer Concentrate available?
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4 of 7 people found this answer helpful.
Asked by Susan from Castile
06/29/2022
Q
Will Ortho GroundClear Vegetation Killer Concentrate kill the plant if trimmed?
I have a gravel lot that has gotten overgrown with weeds. I took the tops off, leaving about an inch or more growth. Then I sprayed.
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Displaying 1 to 16 (of 16 questions)

How long does Ortho Ground Clear Super last?

It's fast-acting - weeds absorb it on contact so you'll start to see weeds and grass wilt within hours and completely die off in 1-week to 2-weeks.

How long does it take for ground clear to work?

Ortho® GroundClear® Weed & Grass Killer Super Concentrate starts working immediately as it kills weeds to the roots. Sprayed weeds begin to wilt within hours of the application, with complete kill within 1-2 weeks. A single application controls most listed weeds.

How do you use Ortho Ground Clear year long?

To use this concentrate, simply mix 24 fl. oz. with 1 gallon of water in a tank sprayer. Use on areas where weeds are not desired, including driveways, sidewalks, gravel areas, rock and desert landscapes, under decks, on parking areas, along fences and curbs, and in unplanted areas.

Is Ortho Ground Clear safer than Roundup?

Ortho Ground Clear is as good as Roundup in terms of killing weeds. However, it is known to be the more harmful of the two because it contains both glyphosate and imazapyr. These chemicals can be quite dangerous to the environment and the user who's in contact with it regularly.