Aerating The Lawn - Knowledgebase Question

Wilmington, DE
Question by limchorhuat
April 2, 2001
I am thinking of aerating, weeding(with Halts Preventer)/feeding (K-Gro Premium) and overseeding my lawn soon. What should be the sequence? Can I do them immediately one after another? Will the weeds / Halts preventer affect the overseeding?

Answer from NGA
April 2, 2001


Weeding and feeding can usually be done at the same time, many products are available to do both at once. Weeding will prevent the lawn seed from germinating, and a high nitrogen fertilizer may be too strong for new grass. (Be sure to read and follow the label instructions of whatever you use.)

The best time to seed or overseed a lawn is in the fall so the new grass has time to become established from the roots before it is pressured to grow fast the following spring.

Fall is also a good time to fertilize moderately, it is when the grass plants are building their root reserves. In spring, then, a lesser amount of fertilizer could be applied if a quicker greening is desired.

Core areation is done occasionally if needed to combat soil compaction or to help incorporate additional organic matter in the soil. It is a bit stressful to existing plants since it pulls out plugs of lawn, so it would not be done to a newly seeded area.

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