There are several natural ways to kill weeds permanently, as listed below:
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Vinegar: Vinegar is an all-natural and cheap way to kill weeds. The main active ingredient in vinegar is acetic acid, which is usually around 5%. You can spray it carefully on weeds only (ensuring none hits your plants) with a spray bottle or pump sprayer when there is no wind.
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Boiling water: Boiling water is an effective way to kill weeds, especially for areas like the cracks in pavement. You can pour boiling water directly onto the weeds, and they will wilt and shrivel up within hours.
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Salt and vinegar: To kill all vegetation in walkways, driveways, and other areas where you don’t want any living thing to grow again, mix two cups of ordinary table salt with one gallon of white vinegar. Apply the solution to the weeds until saturated, and they will die. The salt will penetrate and leach into the soil, which will eventually bring permanence to your weed killing.
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Corn gluten: Corn gluten is a natural product of milling corn, and it can be purchased in the form of a powder. It is a pre-emergent herbicide that can prevent weed seeds from germinating. You can apply it to your soil before weeds appear to stop the problem before it starts.
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Propane torch: A propane torch can be used to scorch the center of the weed, which will kill it down to the root. There are a variety of long-handled torches made specifically for this purpose. However, you should use extreme caution when using this tool on windy days, in dry conditions, or brushy areas.
Its important to note that homemade weed killers are generally non-selective solutions, meaning they kill whatever plants they touch, including lawn grasses. They can also alter the composition of the soil when used repeatedly. Therefore, you should read labels carefully, follow safety precautions, and consult your local county extension service if you have questions about using homemade herbicides for weed control.
