St. Augustine Grass
Q.

“Landscaping” Sod Grass Installation

Zone Nassau,Bahamas | Mgmrye added on July 2, 2016 | Answered

We're currently on a landscape where there was a mixture of St. Augustine and Cashmere grass. We uprooted the whole field, and now we're in the process of laying the new St. Augustine sod. The section where the Cashmere was planted heavily we're planning on spraying with gramazone non-selective herbicide. We're wondering after the chemical is sprayed will the field be ready for topsoil following one week after?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on July 4, 2016

By law the chemical must break down in soil in 14 days.
I would read the label carefully and verify the timeline recommended for planting.
Here is an article with more information.

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-long-does-weed-killer-last-in-the-soil.htm

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