Post-emergent weed killers have two types, which are selective herbicides and non-selective.
The selective ones target only certain plants, leaving the rest unharmed.
This herbicide ensures weeds die and grass doesn’t.
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Non-Selective, Post-Emergent Herbicides
A glyphosate-based product is an example of a non-selective herbicide.
In fighting lawn weeds, it is useful only for spot treatments.
Pre-Emergent Herbicides
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Using pre-emergent herbicides can be a smartmethod of weed control.
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Want more gardening tips?
In this case, you may prefercontrolling weeds naturally.
Even for weeds thatcanbe hand-pulled, it’s best to moisten the soil before attempting.
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Water loosens the soil around the roots, and facilitates extraction.
A better choice is a specialized tool called a “dandelion puller.”
Vinegar
Vinegar is a natural herbicide.
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The con here is that it’s non-selective, so it will kill your grass, too.
This limits its use in the lawn to spot treatments.
The fact that a healthy lawn is a deterrent to weed growth is just a bonus.
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Anything that fosters a thick, lush lawn can be considered a preventive measure against weeds.
Maintaining a thick, lush lawn will save you money on weed control in the long run.
Several herbicides are designed to target the weeds in your lawn without killing the grass.
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Examples are the various “weed and feed” products.
Photo: © Marie Iannotti (2008) licensed to About.com, Inc.
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