Apply chlorantraniliprole in April or May to prevent turf damage from grubs in northern Illinois. For killing grubs, use carbaryl or trichlorfon in spring or fall. Early application targets the grubs as they feed during the summer when they cause the most damage.
Homeowners should monitor their lawns for signs of grub infestation. Patches of brown, wilting grass or increased bird activity can indicate a problem. If the damage is serious, applying a chemical treatment with a targeted insecticide can be effective. Always follow product instructions carefully to ensure safety and efficacy.
In addition to chemical solutions, cultural practices can help manage grub populations. Maintaining healthy soil and grass can deter beetles from laying eggs. Regular lawn maintenance, such as aeration, promotes healthy root systems.
Understanding when to kill grubs in lawn is essential for effective pest management. Next, we will explore environmentally friendly alternatives to chemical treatments and other preventive measures for Northern Illinois homeowners.
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