1/4 cup castor oil
6 tablespoons water
2 tablespoons liquid detergent (We use Dawn)
Combine all ingredients in blender until consistency of whipped cream.
To Use: Add 2 Tablespoons of repellent to a regular garden watering can and then fill with warm water. Thoroughly water over areas of greatest damage.
For best results apply after a rain or a thorough watering.