According to the This Garden is Illegal website, boiling water is an extremely effective weed killer. It will also kill any other plants it comes in contact with, so pour it directly on the weeds you want to get rid of. Boil water until it comes to a rapid boil, and pour it on the weeds, which will cook the weeds into the ground, causing them to die.
Put straight 5 percent vinegar in a spray bottle, and spray directly on baby weeds. Use 9 percent vinegar for larger weeds. Spray the weeds when there is no sign of rain to ensure the vinegar is not washed off the weeds. The vinegar will kill the weeds.
Bleach will get rid of weeds by spraying it directly on them. Do not spray on any plant you do not want to kill. If you get bleach on another plant, just wash it off with water. Put the bleach in a spray bottle to use. Repeat if necessary after two days.
Rubbing alcohol, like most other home remedies, will kill any plant it touches. Spray or pour alcohol directly on the weeds you want to kill. The rubbing alcohol will suck the life out of the weeds to kill them. Repeat every other day if needed.
Corn meal works by keeping weed seeds from developing. It will also keep other grasses and plants from growing. Spread corn meal in an area that does not have any plants or grass yet. Wait a few weeks, and then plant your plants or grass seed. The corn meal works like a birth control to prevent any weeds from growing.
If you have a large area of weeds you want to get rid of, use newspaper. Spread the newspaper at least four sheets thick over the weeds to keep the weeds from getting sun, which will kill them. New seeds will not produce without any sun.