The Q&A Archives: Castor Oil for Mole Control

Question: Is it true that I can use castor oil in my hose sprayer to deter moles? If so what's the mix, or the dial setting for my sprayer? I am over moled and awaiting your answer.

Answer: It's true, you can! The Gardener's Supply catalog offers a castor oil-based product called Mole Control (1/2 gallon - covers 60,000 sq ft) with a mixing recipe. You can reach them at 1-800-863-1700 or visit their website at Remember that moles are mostly digging in your yard looking for grubs, earthworms and other insects, so you'll probably need to reapply it at intervals to keep them away.

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