Detach and Aeration - Knowledgebase Question

West Sacramento, Ca
Question by jabarbosa53
October 20, 2009
When is the best time to detach and aerate your lawn? I live in Sacramento CA.

Answer from NGA
October 20, 2009


Spring is the best time to dethatch, fall is the best time to aerate. Dethatching removes the dead stolons, rhizomes, stems and old grass blades. All turfgrasses have thatch but a thatch layer that is too thick can keep water from penetrating down to the roots and can keep fertilizers from reaching the soil. If your turf has excessive thatch, more than one inch of thatch, then you should dethatch your lawn, then overseed this spring. Aerating helps if your soil is compacted, which can happen by itself over the years, or by lots of foot traffic. By removing plugs of grass and soil, then spreading a thin layer of sand or compost over the lawn and watering it in, the sand or compost will work its way into the holes and help loosen the soil. If you are not sure which to do, you can do both. Aerate now, in the fall, leaving the plugs on the lawn. They will dissolve with the rain. Then dethatch and overseed in the spring. Hope this information helps you make the right decision with your lawn!

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