lawn care - Knowledgebase Question

tamarac, Fl
Question by kadeneterry1
August 2, 2009
my lawn has st augustine grass. now there are big ares of dead grass all over.the new growth starting to turn yellow and weeds in between. I need your help. i dont know what to do.

Answer from NGA
August 2, 2009


Dead areas in your lawn can be the result of insect feeding, compacted soils or an excessive layer of thatch. If you can pull up the turf in the brown areas, the roots are gone. Check for grubs by digging up an area. Grubs will be hanging on to the roots or be on top of the soil. Chinch bugs can also feed on the roots. You can simply scrape the bottom of your shoe over the lawn. Chinch bugs will jump onto the top of your shoe. Both of these pests can be controlled with insecticides. If you find no insect pests, it may be time to dethatch your lawn or to aerate it. A thick, healthy lawn will crowd out weeds so you will want to put your turf on a regular feeding, watering and mowing schedule. Hand pull the weeds for now and next spring use a pre-emergent corn gluten meal based product to keep weeds from sprouting. Good luck with your lawn.

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