Seed Then Fertilize? - Knowledgebase Question

moorestown, Ne
Question by karmar1017
September 12, 2010
I have several brown spots throughout my lawn from the hot summer with little rain (although I did water regularly). I am going to reseed those brown spots first. What type of fertilizer should I use on those spots as well as my entire lawn now, in September? Thank you.


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Answer from NGA
September 12, 2010

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It's usually best to wait until the new grass has been mowed 2-3 times before fertilizing. By that time the roots will have had a chance to establish and the new turf will be better able to tolerate the fertilizer. Time is of the essence, though, in terms of overseeding your lawn so I think the best approach in your situation is to feed your lawn now with a "winterizer" type fertilizer and then rake out the bare areas (also raking away the fertilizer granules) and then reseeding the bare spots. This way your lawn will have the benefit of the fall feeding but the new grass won't be adversely affected by the concentrated ferilizer. By the time the new grass establishes its roots, the roots will penetrate down into the fertilized soil where they can benefit from the fertilizer. Best wishes with your lawn.

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