Should I treat for Japanese beetle grubs now or wait until spring? I don't have signs of grubs but have the beetles in the summer.
Japanese Beetle Grubs
Certified GKH Gardening Expert
Before treating for grubs, you need to first ensure that there is, in fact, a grub problem. Once you know for certain that grubs are present, this article should help with treatment: https://www.gardeningknowhow.com/plant-problems/pests/lawn-grubs-how-to-get-rid-of-grub-worms.htm