| Pyrethrin on flowers will have to be a very light dusting, or it will hurt them. Neem doesn't seem to hurt flowers much, but mites are chlorophyll eaters, so won't need to spray flowers with neem if that is your problem. Imidaclorid seems to not harm most flowers, and Phyton 27 seems to be OK. Anyone else have some experience to share?
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Cynthia
Prescott Orchid Society  |