 Most of us don't. There are sprays and insecticidal soaps, everything from more satisfying to less lethal. So there is several ways. You can also just trap them. You can look underneath boards. They will hide underneath boards. You pick up a board in the summer, one that fell off or a shingle or something, they'll hide underneath that. So surprise them. Lift it up and say, aha, and then kill them. So you don't have to get this stuff on your plants.