Curing Common Lawn Pathogens in 2026

Fall armyworms are surface area feeders. They might conceal in the heat of the day, but they live above ground and eat the lawn blades. You will not require to dig in the soil to find them. Fall armyworms are small and green with a black head when they hatch, however they grow quickly and end up being darker with age.

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Carefully scout to determine the number, size, and circulation of fall armyworms and the condition of the turfgrass. Little armyworms (greenish in color) are much simpler to manage than caterpillars nearing their full-grown length of 1.5 to 2 inches.

Healthy turfgrass might tolerate low to moderate quantities of damage and can recuperate with watering and fertilization. See Healing below. Cut tall turfgrass before treatment to improve insecticide coverage. Gather the clippings that build up on the surface. Irrigate lightly several hours before treatment to increase larval activity on the soil surface area.

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See Table 1. Pyrethroid resistance has been reported in other parts of the nation. If there is no quick control of fall armyworms after using a pyrethroid, consider using a various class of insecticide, or work with a lawn care company to use a chlorantraniliprole or tetraniliprole compound. Azadirachtin insecticides (Neem oil) can provide control of small larvae and are accredited natural.