Non-selective herbicides kill any plants they are applied to, making them a smart choice if you do not know what type of weed you have in your lawn. Unfortunately, as they kill any plants they are applied to, they will also kill grass and other non-weed plants the non-selective is applied to, making them more ideal for spot treatments and small weed infestations. 

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5 out of 5 stars (112)
$83.50
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A professional non-selective post-emergent herbicide with 73.3% glyphosate and 2.9% diquat for a faster burn-down and dry time.
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$13.99
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A professional non-selective post-emergent herbicide with 73.3% glyphosate and 2.9% diquat for a faster burn-down and dry time.
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$70.09
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A professional non-selective post-emergent herbicide with 41% Glyphosate (the same as Roundup Pro) and surfactant.
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$65.52
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A professional non-selective post-emergent herbicide having 41% Glyphosate with a surfactant for increased effectiveness and an Agricultural label.
4.5 out of 5 stars (32)
$88.54
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A professional non-selective post-emergent herbicide with 48.7% glyphosate for more powerful weed control.
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$89.50
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A professional non-selective post-emergent herbicide in a concentrated formula offering unsurpassed weed control that is rain-fast within an hour.
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$62.53
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A professional non-selective post-emergent herbicide that is used for complete bare-ground vegetation, annual and perennial grasses and broad-leaf weeds.
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$65.45
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A professional non-selective post-emergent herbicide that controls annual and perennial broad-leaf weeds and small trees and brush in range-land and pastures.
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$62.89
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A non-selective pre-emergent and post-emergent herbicide that is used for brush control, seed head suppression in pastures and range-lands.
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$127.05
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A professional non-selective post-emergent herbicide that rapidly kills undesirable above-ground weed growth in 24 to 36 hours.
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$14.26
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A non-selective post-emergent herbicide to eliminate broad-leaf and grassy weeds.
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$61.50
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A professional non-selective post-emergent herbicide for annual and perennial broad-leaf weeds and grasses for turf, nurseries, non-crop areas, and landscape ornamentals.
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$32.24
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A non-selective post-emergent herbicide that effectively controls unwanted woody plants, perennial and annual broadleaf weeds and grasses.
4.5 out of 5 stars (61)
$22.67
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A professional non-selective post-emergent 41% Glyphosate herbicide with a surfactant for increased effectiveness.
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$25.67
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A professional non-selective post-emergent 41% Glyphosate herbicide with the addition of 15% surfactant for greater effectiveness.
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$16.95
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A non-selective post-emergent herbicide that controls woody plants, vines, stumps, poison ivy and more.
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$26.81
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A professional non-selective pre and post-emergent bare-ground herbicide for commercial and industrial applications.
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$90.92
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A professional aquatic herbicide that controls weeds in emerged vegetation where water is present.
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$17.50
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A non-selective post-emergent herbicide that controls woody plants, vines and broad-leaf weeds around homes, fences, walkways, and other non-crop areas.
4.5 out of 5 stars (6)
$175.06
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A professional non-selective post-emergent herbicide for broad-leaf, grasses and sedge weeds only in non-crop areas.
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$32.61
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A non-selective post-emergent herbicide that controls woody brush and broad-leaf weeds and selective for some cool-season grasses.
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$91.57
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A professional non-selective post-emergent Ester herbicide that controls hard to kill weeds by penetrating the waxy cuticle on the leaf tissue causing faster uptake by the plant.
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$266.95
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A professional non-selective post-emergent herbicide for vegetation management that controls weeds that are uncontrollable by other means.
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$35.12
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A non-selective post-emergent herbicide that will kill the toughest weeds and grasses around the home and garden.

How Non-Selective Herbicides Work

Non-selective weed killers do not differentiate between plants when applied, so a non-selective product will affect any growing plant. This is why you must take great care when using this type of herbicide. Non-selective herbicides are contact or systemic. Contact herbicides kill the green tissues of the surface they touch. Systemic herbicides enter a plant at point of contact and move throughout the plant, often entering through the roots, and should be applied when plants are most vulnerable. These herbicides are post-emergent, meaning they should be applied to actively growing plants.

Using Non-Selective Herbicides

You can kill any plant that is causing you a problem with a non-selective herbicide. However, you’ll need to know how to use these products before applying. Here are a few facts that will help you use non-selective herbicides in the best way possible:

  • Most often, these products are used for post-emergent annual and perennial weed control. 
  • These products often do not have persistent action, meaning they will not exist in the soil after weed has died. You will most likely have to reapply each time weeds emerge.
  • There are more advanced products on the market now that have persistent action. This means that when using this kind of product, you’ll want to take care about where you use it. If you use it in an area designated for a flowerbed, no plants will grow.
  • These products can be perfect for spot treatments around sidewalks, driveway cracks, and along fence lines. 
  • Non-selective herbicides include ingredients like glyphosate, glufonisate, diquat, or pelargonic acid; you will recognize Roundup as a non-selective, post emergent herbicide product. 
  • When applying any of these products around non-target plants, you need to take extreme care not to let the products come in contact with any part of the desirable plants. 
  • As with any product, read all instructions and safety warnings before using. 

See also: Lawn & Garden Weed Control

 

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