I am sorry for this delayed reply to your gardening question. The spring rush has brought a deluge of questions and we are working hard to catch up!
You can make a soap spray of 1-2% liquid dish soap such as ivory. However the better product is an insecticidal soap as these are labeled and less likely to burn sensitive plants. When you do a home remedy you do so at you own risk.
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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