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Castor Oil Mole Repellant

Moles don't like castor oil. Try this solution and be sure to let us know whether it was successful.


  • 1/2 cup castor oil
  • 2 gallons water


Pour this solution around the perimeter of you garden or lawn and keep some on hand to pour on mole mounds when they appear. Continue doing this for a month.

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August 11, 20050 found this helpful

Does castor oil mix with water? Your recipe stated to use 1/2 Cup castor oil to 2 gals of water. Where do you purchase the castor oil? Do you run this through a hose sprayer or just pour it on?

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August 11, 20050 found this helpful

You can buy castor oil at any drug store. If you can't find it, ask the pharmacist. I'm not sure how well it mixes with the water so i would shake it often.

Susan from ThriftyFun

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May 7, 20070 found this helpful

has anyone tried soaking cracked corn with the castor oil to make a granular repellant

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March 17, 20080 found this helpful

Didn't work a all. Tried it on 3 separate occasions, didn't even slow them down. My yard looks like trench warfare from WWI.

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October 7, 20080 found this helpful

I'm sorry I didn't read the Feedback responses before trying this. Despite my inner voice saying "but oil and water don't mix", I gave it a try. What a mess. The oil mainly sunk to the bottom of the watering can, and was very difficult to clean up. It's an extremely thick an sticky oil. If the oil is in fact effective at killing the moles, what about pouring some oil strait in the holes and following with some hot water to cause it to run down in? That may be worth a try, and no mess.

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