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Jul 19, 2016 8:09 AM CST
|I've read that Horticultural Oil is good for controlling thrips. I think it is to late for this year, everything is budding up or flowering, but would like to start next spring. When is the best time to apply it? marric|
Jul 19, 2016 9:41 AM CST
|As a contact, it would help with thrips that are out in the open. But thrips do the most damage while inside buds, where a contact would be useless. And since thrips eggs are laid inside plant tissue, it won't help there, either.|
Here is a very informative link about horticultural oil, how to use it, when to use it, and what it does and does not do.
Jul 19, 2016 10:31 AM CST
marric said:Great article. Thanks Judydu2.