What Is The Best Homemade Bug Spray For Weed Plants? | Herb
Aug 14, 2019· 1 tablespoon of Castile soap. 1 quart of water. Directions: Mix 1 cup of oil with 1 tablespoon of Castile soap well. Take 2 tablespoons of mixture and dilute it in 1 quart of water. Put into a spray bottle and apply to weed plants. You can also try spraying essential oils, like eucalyptus, rosemary, lemon, and cinnamon.