Helena Crossbow Herbicide - Questions & Answers

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  • Asked by James from Greenup Ky
    05/21/2018
    Q
    Can I spray Crossbow Herbicide in pastures to kill out milkweed?
    A

    Use up to 1-1/2 gallons of Crossbow Herbicide per acre in enough water to deliver 10 to 30 gallons of total spray per acre for milkweed. The best time for treatment of biennial and winter annual weeds is when the plants are in the rosette stage and actively growing. A re-treatment of hard-to-control weeds such as field bindweed, chicory, dogfennel, goldenrod, horsenettle, kudzu, milkweed, perennial sowthistle, leafy spurge, and Canada thistle may be necessary. After using Crossbow Herbicide, animals should be kept off the area until it has dried. Your animals should not be allowed to graze in the area that was treated. 

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    9 of 10 people found this answer helpful.
  • Asked by Dennis from Greenville, In
    07/04/2018
    Q
    Will Crossbow Herbicide kill mares tail weeds?
    A

    Yes, Crossbow Herbicide is labeled for marestail.  Please refer to the product label for complete application instructions. 

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    9 of 9 people found this answer helpful.
  • Asked by Tracy from Gaston, Or
    10/11/2018
    Q
    What is the best time of year to spray Crossbow on blackberries?
    A

    It is recommended that you apply Crossbow Herbicide when the blackberries are actively growing. This is most likely to occur for a period after full leaf in the spring to early summer when moisture and temperature are favorable.

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    8 of 10 people found this answer helpful.
  • Asked by Royse from Keosauqua, Iowa
    09/30/2016
    Q
    What is the best time of year in Iowa to apply Crossbow Herbicide to foliage, Spring or Fall?
    I want to kill all woody foliage in fence line except grass.
    A

    Crossbow Herbicide is a post-emergent, and can be applied anytime the weeds or woody plants are actively growing. 

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    8 of 9 people found this answer helpful.
  • Asked by Kenny from Oregon
    08/08/2015
    Q
    Is there a green, natural, or organic Crossbow Herbicide?
    A

    Unfortunately, we are not aware of a natural or organic herbicide that would be comparable to Crossbow Herbicide. We do sell Avenger Weed Killer Concentrate, an organic herbicide that is non-selective.

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    8 of 10 people found this answer helpful.
  • Asked by Anthony from Portland, Oregon
    09/14/2016
    Q
    Can I mix Crossbow Herbicide and Cornerstone Plus?
    A

    While we do not carry the Cornerstone Plus product. Per the product label on Crossbow Herbicide you can mix it with a glyphosate-based product. 

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    8 of 9 people found this answer helpful.
  • Asked by Douglas from Kalama, Wa
    04/30/2019
    Q
    Killing blackberries with Crossbow. Should I cut them to the ground first?
    I've heard both ways. not cutting would get more spray on the plant but does that matter?
    A

    Cut the blackberries at one inch from the ground and spot treat with Crossbow Herbicide at 2 oz per gallon of water.

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    8 of 8 people found this answer helpful.
  • Asked by Terrie from Kannapolis, Nc
    08/11/2016
    Q
    Does Crossbow Herbicide need to mixed with water?
    A

    Yes, Crossbow Herbicide is mixed with water for most applications. It can be mixed with diesel for some applications. Be sure to check the label with regards to what you are treating for. 

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    8 of 10 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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    8 of 11 people found this answer helpful.
  • Asked by Rebecca from Asheville, N.c. 28805
    06/22/2015
    Q
    Could I use a brush to put crossbow on leaf so as not to touch neighboring plants. does it go to root ?
    A
    Crossbow Herbicide is intended to be used with a pressurized sprayer and can be brushed on for stump treatments. If you are only going to be using this for a few plants, it may be better served for you to hand weed the area versus using a non-selective herbicide. It will get to the roots of your plants.
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    8 of 10 people found this answer helpful.
  • Asked by Greg from Bellevue, Wa
    04/21/2017
    Q
    When can I cut down blackberry vines after applying Crossbow Herbicide?
    I just applied Crossbow to blackberries in the Spring. However, they are growing fast (in my lawn), and I wanted to cut them down so I can mow my lawn. I have seen that it takes 7-14 days for Crossbow to work on blackberries, but I am specifically wondering if it is still entering through the foliage over this entire time period. In other words, I don't want to cut off the foliage while it is feeding poison to the plant. But at the same time, I need to contain the spread, so that I may now the lawn. I saw a response to a similar question that suggested pruning prior to applying Crossbow. I've already applied Crossbow and would like to know when I can cut without rendering Crossbow ineffective. Thanks!
    A

    Yes, Crossbow Herbicide is still being absorbed in the plant throughout that time period. We do normally recommend that you prune the plant before you apply Crossbow. It is recommended that you wait at least 30 days before pruning the plants once Crossbow has been applied. You can still cut the plant down after application. 

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    8 of 8 people found this answer helpful.
  • Asked by Lisa from Grove Oak, Alabama
    04/21/2017
    Q
    What is the mixing ratio to kill privet hedge using Crossbow Herbicide?
    A

    While Crossbow is labeled to to treat woody plants and vegetation, privet hedge is not specifically listed on the product label as a controlled weed. We would recommend contacting your local cooperative extension office to confirm whether using Crossbow Herbicide would be appropriate for this treatment, or for product recommendations that have been proven to be successful for others in your area. 

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    8 of 11 people found this answer helpful.
  • Asked by Dustin
    12/27/2014
    Q
    Is Crossbow harmful to whitetail deer?
    A
    We would not recommend spraying Crossbow Herbicide while the deer are in the area. Once the area is dry, it is safe for them to return.
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    8 of 12 people found this answer helpful.
  • Asked by Joel from Creswell, Oregon
    04/24/2017
    Q
    Will crossbow kill buttercups after they flower?
    A

    Yes, Crossbow Herbicide is labeled to kill buttercups, but keep in mind that these are difficult to control so 2 applications may be necessary. 

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    8 of 10 people found this answer helpful.
  • Asked by Kyle from Yakima, Wa
    08/28/2017
    Q
    How do I clean up a Crossbow Herbicide spill?
    A bottle of Crossbow Herbicide ended up getting tipped over and slowly leaked out on a wood shelf and concrete floor, what would be the safest way to clean the spill and clear the fumes from the area?I have used a absorbent powder to soak up the spill however there is still residue on the wood and concrete floor and the fumes are very strong.
    A

    We recommend that you ventilate the area and use a non-combustible absorbent, such as sand or Zorball. Scoop or shovel into suitable chemical waste containers for proper disposal. Do not use water for cleanup.

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    8 of 18 people found this answer helpful.
  • Asked by Don
    05/19/2016
    Q
    Will Crossbow Herbicide kill Creeping Charlie?
    A

    Crossbow Herbicide is labeled to treat for Creeping Charlie (ground ivy). You should use a 1.0 to 1.5% dilution for ground ivy.

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    8 of 9 people found this answer helpful.
  • Asked by Scott from Richmond, Va
    04/28/2015
    Q
    Will Crossbow Herbicide kill speedwell (veronica) without harming my zoysia grass lawn?
    A
    Crossbow Herbicide is non selective and may harm your Zoysia lawn. Drive XLR8 would be a better option for you.  
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    8 of 9 people found this answer helpful.
  • Asked by Gabriele from Roanoke, Va
    04/29/2016
    Q
    Is Crossbow safe to apply near bee hives?
    Bee Safety
    A

    Crossbow Herbicide will not affect the bees in the treated area. It is recommended that you spray when they are not actively foraging as to not cause harm to yourself. 

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    8 of 10 people found this answer helpful.
  • Asked by Donna from North Carolina West Jeffrrdon
    05/16/2019
    Q
    How much crossbow per 100 gallons water for pasture land?
    A

    Depending on the types of plants being targeted in the pasture (broadleaf weeds vs more woody brush type plants) the Crossbow Herbicide Product Label states you can use between 1-4 gallons of Crossbow Herbicide per 100 gallons of water. For more mature plants, hedges, and woody brush we would suggest higher application rates for best control. 

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    7 of 7 people found this answer helpful.
  • Asked by Stewart from Check, Va
    08/02/2016
    Q
    How do I apply Crossbow Herbicide to kill Tree of Heaven?
    This product has an attractive price point however it has a relatively low concentration of Triclopyr. What concentration of this product would be effective to kill Tree of Heaven (Ailanthus altissima) when brushed onto a stump or by using the "hack and squirt" method? Thank you
    A

    Tree of Heaven is an invasive species that can require chemical and cultural methods to control completely. You will probably need to cut a treat the stumps directly with a product like Crossbow Specialty Herbicide for best results. This article from the PennState Extension service has more information about this difficult tree.

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    7 of 21 people found this answer helpful.
Displaying 121 to 140 (of 410 questions)