Answer
Jun 30, 2016 - 11:59 AM
Simple answer. No. However, the oil if sprayed directly on the cockroach should kill it. The oil will actually suffocate the cockroach, but this can be done with any oil, even mineral oil. The peppermint itself will not kill the cockroach because it's peppermint. It could potentially repel the cockroaches, but I would not depend on it to control or kill them.
Ron
Ron
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