Taylor from Asheville, Nc writes
I was planning on over seeding the lawn this spring, however I typically do a pre-emergent. What is your advice on seeding in spring? Is it doable with pre-emergents; specifically this product or the Hi-Yield?
Timing between the use of pre-emergents and overseeding will depend on the specific product that you are using. Typically you either need to wait until the following season, or at least 12 weeks after applying pre-emergents before you can overseed. Alternatively, most pre-emergents should not be used on newly seeded or overseeded turf until the new grass is well established - typically after the second mowing. Be sure that you always check the product label of what you plan to use for specific timing and other application instructions. For the Pennington Pro Care Crabgrass Control Plus 0.37 Prodiamine 0-0-7, you should not apply this product within 60 days after seeding or until the second mowing, whichever is longer. For seeding, this product will inhibit germination of turf seed if overseeded too soon after application. Please refer to the chart and complete application directions on the product label. The exception on this specific product is that you may use it on newly sprigged or plugged Bermudagrass at rates not to excees 3.3 lbs/1000 sq ft. Newly sprigged or plugged Bermudagrass may be temporarily retarded.
Answer last updated on: 02/12/2018
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