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Helena Crossbow Herbicide - Questions & Answers

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Helena Crossbow Herbicide
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Displaying 1 to 10 (of 66 questions)
  • Asked by Donald from Spirit Lake , Idaho
    05/03/2021
    Q
    How does crossbow kill plants ? How soon can I plant shrubs and trees in treated area?
    Are there any precaution to avoid killing desired plants after treating with crossbow such as soil mused to plant shrubs and trees. Some of our evergreen trees have exposed roots , will crossbow harm tree if spray on roots?
    A
    Since Crossbow Herbicide is a non-selective herbicide, it will kill whatever it is sprayed on.  It's recommended to keep it at least a couple feet away from desired ornamentals, bushes, trees, shrubs, etc. Additionally, be sure you're applying the product on a non-windy day, as spray drift can harm desirables. 
    Was this answer helpful to you?   Yes No
    3 of 3 people found this answer helpful.
  • Asked by Larry from Vincennes, In
    03/26/2017
    Q
    Will Crossbow Herbicide kill young trees?
    Will this product kill Saplin trees? I have a problem with Maple trees every year and need a spray that will kill young maple trees?
    A

    Crossbow Herbicide is labeled for the control of most kinds of unwanted trees. On page 5 of the label you can fine directions on how to use for conventional basal bark and stump applications. For larger or established trees, cutting the tree and making a stump application will be the best way to treat.

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    38 of 44 people found this answer helpful.
  • Asked by Sam from Yacolt, Washington
    11/09/2020
    Q
    Can I spray Helena Crossbow Herbicide and not kill my trees?
    It's been 4 years since I replanted. The blackberries are going wild. I have 6 acres I cut all the big Douglas fir trees down on. I took out 200 trees and then replanted 1000.
    A

    Crossbow should not harm established trees but may damage younger trees if applied directly to them. To avoid injury, do not apply directly on or within the drip line of smaller trees and avoid the foliage and any exposed roots of mature trees. It is best to carefully spot treat the target plants to avoid injury to your desirable trees.

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    1 of 1 people found this answer helpful.
  • Asked by Mimi from Mo
    06/01/2014
    Q
    Will Crossbow kill cedar trees?
    I have sprayed small cedars with Crossbow. It appears to affect them, but the sap comes out and seals the tree and then they recover. Any suggestions on how to eradicate them completely?
    A
    When trying to control trees that are well established, it often is best to either do a soil drench into the root system with the product, make cuts into the trunk and apply the product directly to the cuts, or cut the tree itself down and apply the product directly and immediately to the freshly cut stump. You may need to use higher application rates to get full control on more established and hardy plant species.
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    20 of 25 people found this answer helpful.
  • Asked by Jackie from Elkins, Wv
    08/18/2014
    Q
    Will Crossbow kill black walnut tree saplings?
    I would like to cut the saplings down and paint the stump to prevent the black walnuts stump from re-sprouting. Will Crossbow prevent any new growth to eventually kill the tree? Trees are approximately 2-4 inches in diameter.
    A

    Becuase the roots can spread out 50-80ft from the tree, it is advised to cut the stump as low to the ground as possible. Black Walnuts are know for resprouting, using a product with the active ingredient Glyphosate is going to be your best option. Using Roundup QuickPRO which has Diquat as 1 of the 2 ingredients works for a faster knockdown and aborbs throughout the root system better. Below is a step by step guide on how to ensure the saplings won't regerminate.

    Step 1 - Space cuts around the trunk of a mature tree, using a hatchet. These cuts should go down at an angle, exposing some inner flesh of the trunk. Alternatively, cut a straight line around the trunk, removing the bark along the line. For saplings, there's no need to remove bark because the young bark is thin.

    Step 2 - Spray Roudup QuickPRO mixed according to manufacturer's directions, into the cuts in the trunk. Saturate the cuts completely. For saplings less than 6 inches in diameter, spray the herbicide directly on the trunk up to 18 inches high.
    Step 3-Allow the herbicide to move through the tree to the roots for 48 hours. Observe the black walnut's leaves for signs of curl or wilt. If none exists, make new cuts in the trunk and reapply the herbicide.
    Step 4 - (IF YOU HAVE NOT ALREADY REMOVED THE TREE) - Remove the tree by cutting through the trunk about 6 to 12 inches above ground with a chainsaw. You may be able to remove it with an axe if the tree is smaller than 6 inches in diameter. For larger trees, you may need a chainsaw. Choose a safe direction for the tree to fall, and then make the first cut on that side of the tree. Create an undercut or V-shaped cut several inches into the tree, going no farther than one-third of the diameter inward. Go to the opposite side to make a back cut, which is a straight cut that is about the same height as the point of the undercut. As you get close to the undercut with the back cut, the weight of the tree should topple it toward the undercut.
    Step 5 -Spray the top of the freshly cut stump with Roundup QuickPRO, coating it liberally. Repeat every two days for a week or until the stump flesh turns gray. Black walnut trees can send up new suckers from the base of the trunk if the roots aren't killed.
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    9 of 12 people found this answer helpful.
  • Asked by Ron from Green, Oh
    04/29/2018
    Q
    I am thinning some acreage of some unwanted pine trees. Can I kill them with Crossbow first before cutting them?
    Can I use this product if so what would you say would be the best way? Drilling or hatchet
    A

    Crossbow Herbicide would be best applied to the cut stump after cutting the trees down and will not actually kill mature trees without doing so.

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    4 of 6 people found this answer helpful.
  • Asked by Hansel from Wa
    04/01/2019
    Q
    Will Crossbow kill lilac trees?
    A

    Crossbow should not harm established trees but may damage younger trees if applied directly to them.  To avoid injury, do not apply directly on or within the drip line of smaller trees. It does not list lilac as a tolerable species.

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    4 of 5 people found this answer helpful.
  • Asked by Don from Fallbrook, California
    05/09/2018
    Q
    I have ivy growing around my avocado trees. Will Crossbow damage the trees ?
    A

    Crossbow should not harm established trees but may damage younger trees if applied directly to them.  To avoid injury, do not apply directly on or within the drip line of smaller trees.  

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    2 of 2 people found this answer helpful.
  • Asked by Brian from Block Island, Ri
    07/04/2018
    Q
    Can I spray Crossbow at the base of 20+ ft. maples to kill vines or other plants?
    A

    Crossbow should not harm established trees but may damage younger trees if applied directly to them.  To avoid injury, do not apply directly on or within the drip line of smaller trees.

    Was this answer helpful to you?   Yes No
    3 of 3 people found this answer helpful.
  • Asked by Don from Sandy, Or
    04/23/2018
    Q
    Will Crossbow Herbicide damage small fir trees?
    A

    Crossbow Herbicide should not harm established trees but may damage young trees if applied directly to them.  To avoid injury, do not apply directly on or within the drip line of smaller trees.  

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    3 of 4 people found this answer helpful.
Displaying 1 to 10 (of 66 questions)