As with tarping, mow ragweed plants down first, moisten the soil with your hose, anchor the plastic sheeting over the soil with rocks or landscape staples, and leave the sheeting in place for 4 to 6 weeks during hot weather.
—
Lauren Landers,
The Spruce,
30 Aug. 2026
However, while mowing and aerating may be top-of-mind, top dressing isn’t always a go-to task on the lawn care checklist.
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