Non-Selective Herbicide

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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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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A professional aquatic herbicide that controls weeds in emerged vegetation where water is present.
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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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Hi-Yield Killzall 365 Quick View
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An active herbicide that eliminates and prevents weeds from growing and provides excellent vegetation control whole year-round.
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A non-selective post-emergent herbicide that will kill the toughest weeds and grasses around the home and garden.
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Hi-Yield Killzall Extended Control Quick View
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A professional pre-emergent and post-emergent herbicide that controls weed and grasses for 3 to 6 months.
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A non-selective aquatic herbicide ideal for controlling against many herbaceous or woody plants.
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An eco-friendly concentrated herbicide that kills and controls more than 200 varieties of brush, weeds, and grass.
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A fast-acting herbicide that is absorbed through foliage and destroys weeds immediately upon contact.
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A non-selective pre-emergent and post-emergent herbicide that controls all plant growth vegetation through the root zone.
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A non-selective post-emergent herbicide that kills weeds and grasses for the lawn and garden areas.
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A non-selective pre & post-emergent herbicide concentrate that kills and prevents weeds for up to 12 months.

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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