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How to Kill White Grubs Naturally
How to Kill White Grubs Naturally. White grubs are a destructive pest in lawns throughout North America. The grubs are larvae hatched by Japanese Beetles and Masked Chafers in midsummer to late summer. Grubs feed on the roots of grass, causing dead brown patches in the lawn. Treating white grubs without the use of chemicals requires capitalizing on...
White grubs are a destructive pest in lawns throughout North America. The grubs are larvae hatched by Japanese Beetles and Masked Chafers in midsummer to late summer. Grubs feed on the roots of grass, causing dead brown patches in the lawn. Treating white grubs without the use of chemicals requires capitalizing on nature's best pest control: predators. Predatory nematodes can purchased online or from a local garden supply store. They will quickly and naturally eliminate white grubs, as well as other garden pests.
Things You'll Need
Predatory Nematodes
Pump sprayer
Paint stirrer
Water
Hose
Mix predatory nematodes in a large pump sprayer with the amount of water specified on the packaging. Stir to combine and allow the mixture to sit undisturbed for an hour.
Set the sprayer nozzle to the coarsest setting. Although predatory nematodes are very small, using a coarse spray will help to prevent damage to the nematodes.
Pump the top of the sprayer to build up pressure, then pull the trigger on the nozzle to release spray. Spray evenly over the entire lawn, applying approximately 1 million nematodes for every 3,000 square feet of yard.
Water the lawn thoroughly after application to allow the nematodes access to swim down to where the grubs lay below the turf.
