- Written by Robbi Hoy
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Helpful tip from The Garden Geeks: Did you know you can repel or prevent spider mites by using common kitchen items? Just 3 1/2 cups flour and 1/2 cup buttermilk in 5 gallons of water. Then spray your plants with this solution. I am sure this recipe can be broken down but I suck at math and don't want to mess it up LOL.