How do I get rid of white cabbage butterflies and catterpillars organically?
I’ve used flour to suffocate the cabbage loopers. Just sprinkle it on the leaves when they are wet. When the caterpillars crawl up onto the leaves, they get pasted & fall off. If you see their eggs on the head of the cabbage, pour sour milk on it & it’ll kill the eggs. I learned this years ago from reading “Organic Gardening” & “Mother Earth News”. You can just handpick the caterpillars if you see a few & you don’t want to water the plants & sprinkle them with flour at that moment. If you find dead caterpillars with a large mass of white or yellow cocoons nearby, the cocoons are from a parasitic wasp… an enemy of the cabbageworm that feeds on the eggs and young larvae. B.t. (Bacillus thuringiensis), an insecticide derived from a bacterium and sold as Dipel, Bactur, Sok-Bt or Thuricide, is also used as a control the caterpillars. http://www.uri.edu/ce/factsheets/sheets/… I’ve found the flour &