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Eco-friendly Crabgrass Control in the Lawn and Garden

Reduce crabgrass problems in your lawn and garden with a few basic lawn and garden care practices.

Crabgrass is an annual weed grass with a small fibrous root system. The wide grass blades lay flat on the ground. Each fall they release hundreds of seeds before dying.

Crabgrass thrives in hot dry weather. Reduce the problem in your lawn by mowing high and often.  The taller grass shades the soil, preventing many weed seeds from sprouting. Leave clippings on the lawn and fertilize at least once, preferably in the fall, to help your lawn grass outcompete the weeds.

Pull the plants in the garden before they set seed. This will reduce the number of weeds you’ll be fighting next year. Mulch the garden with shredded leaves, evergreen needles or other organic material. The mulch will help prevent many of the weed seeds, including the crabgrass, from sprouting. It also helps keep roots cool and moist.

A bit more information: If cultural control measures have failed, you may consider the organic pre-emergent crabgrass killer made from corn gluten meal.  Apply in spring about the time the forsythias are in bloom.  These chemicals prevent seed germination.  This means both the weed and good grass seeds will be affected.  Wait until late summer or fall to reseed or overseed treated lawns. And as always be sure to read and follow label directions carefully.

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