St. Augustine Grass

St. Augustine Maintenance

Rswhitmer added on July 17, 2017 | Answered

Is it advisable to dethatch St. Augustine Grass zone 9 . How deep can you go without hurting or completely ripping it up? Any advice for this process would be appreciated. Thanks Cindy

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Certified GKH Gardening Expert
Answered on July 19, 2017

St. Augustinegrass lawns don’t usually have a thatch problem unless they were over-fertilized and were mowed infrequently in the past. Before you dethatch, go out and examine your lawn grass. Is the grass growing on the soil or on a layer of thatch? If the thatch is less than ½ inch thick, you should not dethatch.

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