WebFor best effectiveness, kill lawn grubs this fall. This will give your lawn the best chance at a strong and healthy Spring. How to tell if your lawn has Grubs As your lawn greens up in … WebSearch for white grubs in brown areas. Dead turf in those areas easily can be peeled from the surface. If five to 10 grubs appear in 1 square foot, treat with an appropriate grub insecticide near the end of the month. Thoroughly irrigate to move the insecticide into the zone where grubs are active. August. Fall seeding and sodding is best.
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WebDec 7, 2024 · Insecticides with the active ingredient carbaryl, imidacloprid or diazinon will control grubs in the fall. However, you should mow the lawn to a height of no more than 3 inches before treating... WebJun 9, 2015 · If you’re applying corrective grub control, your answer is “The sooner the better.” This material won’t work until it reaches the grubs. The quicker you kill grubs, … WebNov 28, 2024 · Clothianidin, imidacloprid or thiamethoxam can be used in summer treatments to kill the new grubs as they emerge from their eggs and begin to feed. Curative Grub Treatments Carbaryl and... insulated ratchet