Insects Eating Holes In My Flower Leaves - Knowledgebase Question

Troy, MI
Question by dsiesel
June 18, 2000
I put diatomaceous earth on my flowers to get rid of the bugs that are eating holes in my zinnia, convolvus and marigolds. But it didn't seem to faze them a bit. The bugs don't seem to be bothering the tomatoes or squash. I don't see any bugs during the day. I know it's not rabbits because the flowers are fenced in. Please tell what I can do to kill them.

Answer from NGA
June 18, 2000


Without actually seeing them, it's hard to know what might be feasting on your plants, but I'll guess it's night-feeding slugs or snails. Diatomaceous earth will provide some measure of control if you sprinkle it on the soil around the stems of your flowers. Use a thick band so the crawling critters have to travel through at least an inch of the stuff. Diatomaceous earth is the ground up fossilized remains of water-dwelling creatures. The powdered product annoys slugs and snails because it dries up their natural secretions. Hope this helps solve the problem with your plants!

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