St. Augustine grass - Knowledgebase Question

washington, No
Question by wrhodges
February 26, 2010
aerate or de-thatch
St. Augustine now and which should be first first?

Answer from NGA
February 26, 2010


All lawns have thatch but when the thatch layer gets too thick it can slow or stop water penetration. When the thatch reaches 3/4 of an inch, it's time to dethatch. Aeration helps with soil compaction so if the soil is compacted, a core aerator will remove one inch by three inch plugs from the lawn. Leave the plugs on the lawn and they will dissolve in rain or water from the sprinklers. After aerating spread a thin layer of sand or compost over the area and water it in well. The sand or compost plus the soil from the plugs will work their way down into the holes left by the plugs. Dethatching is usually done in the spring; aeration in the fall. Best wishes with your lawn!

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