Homemade Weed Killer 1 gallon of white vinegar 1/2 cup salt Liquid dish soap (any brand) Empty spray bottle Put salt in the empty spray bottle and fill it the rest of the way up with white vinegar. Add a squirt of liquid dish soap. This solution works best if you use it on a hot day. Spray it on the weeds in the morning, and as it heats up it will do its work.
Did you know that cornmeal is birth control for seeds? Sprinkle it on your garden and it will keep weed seeds from germinating and growing into plants. Of course, cornmeal will keep any seed from germinating, so don’t try this on your vegetable garden until your plants are established and you’ve ﬁnished planting seeds.
Hydrangeas & Coffee Grounds - Adding coffee grounds or other organic material to your hydrangea's soil will reduce the pH level and make aluminum more available to the plant. The result will be hydrangeas that are blue in color.