Timing for using insecticidal oil on a cotoneaster
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
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?