Cornerstone Plus Herbicide
jug (2.5 gal)
Price/Ea.
$162.60
$162.60
Product Quantity Selections
Size / Description
jug (2.5 gal)
$162.60
Total Price: $162.60

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We no longer carry this item. Please see Agrisel Gly Pho-Sel Pro with 41% Glyphosate for an alternative.
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  • Product Overview

    Winfield Cornerstone Plus is a highly effective post-emergent herbicide that targets and eliminates broadleaf weeds and annual and perennial grass. Contains glyphosate as its active ingredient which controls unwanted weeds and also helps in regulating plant growth. It is a broad spectrum herbicide that targets the roots, removing and killing broadleaf weeds. The Winfield Cornerstone Plus is a systemic herbicide that is proven to control over 100 broadleaf weeds and grasses. It has a water-soluble liquid formula, making it flexible and easy to apply. May be applied through different types of sprayers from most standard industrial to field-type sprayers. For best results, make sure that the spray coverage is complete and uniform. Available in a 2.5-gallon jug.

     
  • Product Documents

  • 5 Customer Reviews

    Top Reviews

    5 of 5 Stars

    I've always loved this product!

    By Timothy on 08/28/2020

    I've been using Cornerstone to kill my weed for years. I was pleasantly surprised to find it almost $40 cheaper than I have been paying for it at my local ag dealer. I highly recommend Cornerstone fo…

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    4 of 5 Stars

    As advertised

    By Bob on 09/13/2019

    Kills everything green. Be careful what you spray. A little pricey but this is the cheapest place to buy!

    5 of 5 Stars

    excellent product

    By G on 04/07/2020

    would recommend it will buy again easy to buy fast shipping

  • 10 Questions & Answers

    Helpful Q&A's
    Q
    How long does Cornerstone Plus Herbicide need to have no rain?
    A

    We recommend applying Cornerstone Plus Herbicide at least 24 hours before rain fall. 

    Q
    Will Cornerstone Plus Herbicide stuff damage catalpa trees?
    I used this stuff for the first time as spring weeds were popping up around my catalpa tree, and for the first time in 25 years it did not have any catalpa worms. Does it damage or leave residue that effects the moths decision to lay eggs on that particular tree?
    A

    Cornerstone Plus Herbicide only contains glyphosate, which would kill sprayed weeds/plants/trees.  It would have no effect on insects.  You should avoid spraying inside the dripline of desirable t…

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    Q
    Is Cornerstone Plus Herbicide a concentrate that needs to be mixed with water or is it a Ready to Use? If a concentrate, what is the mix rate?
    A

    Cornerstone Plus Herbicide is a concentrate that is mixed with water and applied in a pressurized sprayer (hand pump, backpack, boom). The application rates vary from 2/3 fl oz per gallon to 13 fl oz…

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