Timing for using insecticidal oil on a cotoneaster

Asked September 9, 2019, 1:39 PM EDT

How late in the season is it OK to Is it OK to apply insecticidal soap on a cotoneaster. Is it too late now (Sept 9)?

Jackson County Michigan flowers: annuals and herbaceous perennials

1 Response

Hi. Timing is everything when applying an insecticide and knowing what you are treating for is crucial. Have you discovered an insect or disease that needs to be controlled?