12. Use Neem Oil to Combat Pests
Required materials: neem oil
Made for $11 on Amazon*
Are you familiar with neem oil? This oil is made from the seeds of the Neem tree and is one of the best and most effective ways to protect your edible plants from pests. Bonide Captain Jack’s Neem Oil, available in a 32-ounce bottle, costs about $11 on Amazon.
Fight Pests With Neem Oil
Neem oil is more of a preventative measure than a toxin since it prevents insects from developing and from multiplying. One teaspoon of Neem oil, a few drops of any detergent, and one quart of warm water are all you need to produce a Neem spray at home.