Dethatch or Aerate? Help! - Knowledgebase Question

JOnesboro, Ge
Question by ktate_44304
October 14, 2009
We resodded our lot with Zoysia about 2 years ago (we live in Atlanta) and there are alot of brown and bare patches as well as weed growth. In addition the lot was previously sodded with Bermuda and it appears that it may be growing in with the Zoysia. Should we look to aerate or dethatch and should this be done now or wait until spring? Would overseeding w/ more Zoysia seed help or hurt?

Answer from NGA
October 14, 2009


Zoysia and bermuda will grow together without problem and it's really difficult to remove one from the other without harming the turf you want to keep. Because of this, I hope you can learn to live with it! You can dethatch, which is the removal of the thick mat of dead stems and stolons or rhizomes at the soil level, spring is the best time to dethatch. After dethatching you can overseed with more zoysia which will help crowd out the bermuda. Aeration helps with soil compaction. If the soil is compacted, you may want to aerate. If you want to do both, wait until spring. First aerate, then dethatch, then overseed. Eventually you'll have a healthy green lawn!

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