A vinegar solution is one of the most common homemade weed killers. All you need are:
2. Dishwashing liquid. This acts as a surfactant to help the vinegar cling to the weed's surface longer.
Pour the ingredients into a spray bottle, and shake to mix. Spray directly onto the weeds
This astringent substance works by removing moisture from the weed's foliage causing it to die
This homemade weed killer is the easiest of all to prepare and use.
You won't be doing any mixing at all, and you can apply it at absolutely any time you wish
Similar to the way boiling water kills weeds roots and all
WARNING Safety precautions should be taken seriously when using boiling water or a propane torch to kill weeds.
WARNING you should use extreme caution when using this tool on windy days, in dry conditions, or brushy areas.
Corn gluten meal falls into a different category. It's a weed suppressor rather than a weed killer
If used properly, it inhibits the formation of the first roots that crabgrass seeds put out after they germinate