Castor Oil – Ineffective for Mole Control

Q: I found information on mole control using castor oil, water, and Dawn detergent applied with a garden sprayer. Do you think it would work with a hose-end sprayer?

A: This concoction is useless. Despite its reputation, castor oil has not been shown to be consistently effective at repelling moles. Use traps if you like a challenge, but the easiest thing to do is to stamp their tunnels with your shoes to persuade moles to seek spots other than your lawn.

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