Natural weed killer::2c white vinegar + 1T dish soap + 1T. salt. Blend and pour into a spray bottle. Will kill anything! (Easily gets rid of all those weeds growing in the cracks and seams of the driveway.)
Plants help other plants grow | Marigolds help tomatoes and roses grow better. Nasturtiums keep bugs away from squash and broccoli. Petunias protect beans from beetles. oregano chases them away from cucumbers. Geraniums keep Japanese beetles away from roses and corn. Chives make carrots sweeter. basil makes tomatoes even tastier.
Spraying epsom salt on plants boosts magnesium supply to plants and increases yield. Spraying 1 table spoon of epsom salt mix with 4 litre of water twice with 10 days gap could be used for good results. Tomatoes, peppers and rose can benefit extraordinarily