Soil Prep for new lawn - Knowledgebase Question

quincy, Ma
Question by hmflahe
March 2, 2010
i reseeded new lawn last year. The grass grew in and in 2 weeks turned into brown thatch and died. Disease??soil test showed low ph. what products do you suggest to prep soil and give it another go in zone 6?

Answer from NGA
March 2, 2010


I don't know that the soil pH was responsible for the new grass dying out. It could be that the soil is compacted and the roots could not penetrate, or you used the wrong kind of grass seed for the season. There are many reasons for lawns to have trouble establishing. Most lawn grasses do well in mildly acid soil with a pH of 6.0 to 7.5, preferably about 6.5. If the soil test shows high acidity, ground limestone should be added at a rate of 50-100 pounds for each pH point below 7 per every 1000 sq. ft. of lawn. In addition to the lime, spread 2-3 inches of compost or other organic matter over the entire area and rototill it in to a depth of 8-10 inches. This will loosen the soil, help it drain well, adjust the pH and give the roots plenty of room to grow. Your new lawn should establish well. Best wishes with your project!

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