Grass - Knowledgebase Question

BOSTON, Ma
Question by drlynda6
December 9, 2010
I have a few spots where the grass is not growing well. We had tree work done and the truck ruined our lawn, they then put poor dirt on it and planted grass. Should I rake those spots and put down seedling soil and new seed? Should I wait to spring or can I do something now?


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Answer from NGA
December 9, 2010

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It's a little late in the season for grass seed to sprout so I'd suggest preparing the soil now and overseeding in the spring. Grass seed will sprout when the soil is about 40F but will germinate faster when soil temperatures are 70F. For right now you can either replace the poor soil with topsoil or you can incorporate organic matter into the poor soil. Spread about 4 inches of compost over the bare areas and dig it into a depth of about 8 inches. Smooth the soil out after incorporating the compost and the areas will be ready for planting in the spring. When the weather warms next spring, rake the soil to break it up and broadcast your grass seeds. Raking the soil will give the seeds places to fall and they'll make good contact with the soil and be able to send their roots down deep into the amended soil. Good luck with your lawn!

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