Roundup Ready-To-Use Weed & Grass Killer III, 1 gal

81 reviews ratings
By: Roundup
Walmart #: 001670644
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  • Unique formula starts working to kill problem weeds and grass immediately
  • Kills the toughest weeds
  • About this item

    Unique formula starts working to kill problem weeds and grass immediately. Kills the toughest weeds and grasses. Absorbs through the leaf and stem only so killing power won't spread to non-target plants through soil. Convenient, no-mix formula. Rainproof in 10 minutes.

    Roundup Ready-To-Use Weed & Grass Killer III, 1 gal:

    • Overview and Benefits:
    • How to Use:
      • Adjust nozzle to a coarse spray
      • Spray the weeds you want to kill until thoroughly wet
      • When spot-treating weeds in a flower or vegetable garden, shield desirable plants from drift with a piece of cardboard or plastic
      • People and pets may enter treated areas after spray has dried
    • When to Apply:
      • Apply when weeds are actively growing
      • Spray when air is calm to prevent drift to desirable plants
    • Where to Use:
      • Can be used in vegetable gardens
      • Also use on patios, walkways, driveways, gravel and mulch beds, around shrubs or trees, in flower beds and along fences
    • Coverage Area:
      • One gallon covers approximately 300 sq ft
    • Special Instructions:
      • All ornamental flowers, trees and shrubs may be planted one day after application
      • Glyphosate targets an enzyme found in plants but not people or pets
    • Benefits:
      • Unique formula starts working immediately, with visible results in 3 hours
      • Kills to the root, so it can kill tough weeds the first time
      • Rainproof in 10 minutes
      • Tough-weather formula that even works in cool and cloudy conditions (as low as 50 degrees F)
      • Foaming technology lets you see where you've sprayed
      • Not active in the soil, so sprayed areas can be planted with ornamentals or flowers the day after treatment
      • Easy to use
    • Cautions:
      • Always read and follow label directions
    • Packaging:
      • Bottle
    • Active Ingredients:
      • 2% Glyphosate, isopropylamine salt; 2% Pelargonic acid and related fatty acids
    • Shelf Life:
      • Roundup Ready-To-Use products have a shelf life of 4 years when stored in original container
    • Disposal Methods:
      • Do not puncture of incinerate
      • Nonrefillable container
      • Do not reuse or refill this container
      • If empty: place in trash or offer for recycling, if available
      • Do not puncture
      • If partially filled: call your local solid waste agency for disposal instructions
      • Never place unused product down any indoor or outdoor drain
    • This is not the product label, always read and follow the product label before use


    Model No.: 5003210PM
    Shipping Weight (in pounds): 8.34
    Product in Inches (L x W x H): 4.51 x 7.8 x 12.0
    Assembled in Country of Origin: USA
    Origin of Components: USA and Imported
    Walmart No.: 1670644

    Customer reviews

    Customer Reviews | 81 reviews | 4.4 out of 5

    4.5 stars

    81 reviews | 4.4 out of 5

    5 stars
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    Would recommend to a friend



    Awesome Product

    Customer review by midgamarine

    5.0 stars by midgamarine

    I bought this with loads of skepticism, I was just hoping it would knock back the grasses and weeds around my fruit trees. I applied this product around my trees and it rain approximately 15 mins later and I thought I was going to have to reapply, but the product held true to it's promise of rain-proof in 10 mins. and the ground around my tress are totally weed and grass free. I have to go purchase more today.

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    Middle Georgia
    Would recommend to a friend? Yes
    Ownership:2 - 3 months
    Age:45 - 54
    Usage:A few times per year

    Customer review by schlemiel

    5.0 stars by schlemiel

    spray works well. all grass sprayed died

    Was this review helpful? (1) (0)
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    Would recommend to a friend? Yes
    Verified purchaser
    Verified purchaser
    Customer has been confirmed to have purchased the item from Walmart.
    Best product for eliminating weeds in driveway cracks and between walkways

    Customer review by jleblanc

    5.0 stars by jleblanc

    One of the most attractive places for pesky weeds and lawn strips to grow is in walkways around the lawn and between cement slabs in your driveway. The wonder of using Scott Roundup for spot treating these areas is as simple as counting to one. With one easy spray, the weeds and unwanted grass slither into oblivion that lasts for three months. The no-mix formula is convenient to use, economical and extremely efficient. I love this product!

    Lindale, TX, USA
    Would recommend to a friend? Yes
    1-3 of 78 total reviews See all

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    I spray my lawn for the weeds, my flowers die, my grass die and my lawn is ashy and brown. I water it daily but it is not getting green again, what can I do for my lawn to be green again and grow, after I use the roundup weed killer.
    by an anonymous customer 7/18/2011
    • Roundup Weed & Grass Killer is a Non-Selective herbicide that will kill most vegetation that it comes in contact with including lawns. We suggest waiting at least 3 days and replanting.
      by ScottsCustomerCare7/10/2013
      Was this answer helpful? (0) (0)
    • Roundup is a wide spectrum herbicide, and does a real number on annual plants. This includes flowers, vegetables, weeds, and grasses. Sort of like: It kills amost anything you spray it on; Which makes it a poor choice for an herbicide to uniformly spray on your lawn. So either apply it directly to each weed in your lawn or purchase a product that is more appropriate for uniform applications to control weeds in lawns.
      by An anonymous customer6/14/2013
      Was this answer helpful? (3) (0)
    • Roundup is NON Selective--it will kill anything it comes in contact with, including your lawn. You will need to replant the areas of the lawn that were killed.
      by NMM16/14/2013
      Was this answer helpful? (3) (0)
    • Spray directly on the weed. Preferably in the center. Check to see when the weed is shriveled and brown and dig it up. I do this with dandelions and the grass eventually fills in. Try not to use this stuff on or near things you don't want to die. If you put the stuff on the very edge of a border or the like, the grass will die back about six inches as the roots are a system. Use a very fine line in this case. It sounds like you used it all over the lawn. Also, don't use it on a windy day. If the weed you want out is near a plant that you want to live, do yourself a favor and dig it out. Weeds sometimes have long taproots and you could inadvertently kill a loved plant. I suspect that you'll need to overseed eventually. However, remember, nothing will grow in the area you killed for about 4 months so you need to wait. Hope this helps.
      by Lillybud6/14/2013
      Was this answer helpful? (8) (0)
    1-3 of 11 questions See all

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