How do I get rid of aphids using Palmolive soap?

Penne Johnson
by Penne Johnson

Hi there someone posted on my forum last week a recipe for getting rid of aphids without hurting my monarch caterpillars or possible their eggs. She uses palmolive soap and??? My page is gone now and couldn't go back and see. Thanks I want to be sure it won't hurt my caterpillars, but have never had aphids before and it is only on my milkweed plants. Not loads of it but get tired of wiping it off with my fingers. LOL

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