Generally once a pre emergent herbicide is put down in the spring you cannot effectively seed until fall. Sorry i probably won t answer your question.
How Long Do I Have To Wait To Apply Fall Pre Emergent After Overseeding This Year The Lawn Forum
When springtime temps turns 50deg.
How long to overseed after pre emergent. To understand the challenge of seeding your lawn after a crabgrass preventive application is applied you must understand how crabgrass pre emergent works. Technically you could seed 16 weeks from the application but that puts you in the hottest part of summer. If you have laid down your pre emergent in the late winter or early spring your lawn is now going to prevent germination of seed for the next 2 6 months.
If you spread out some seed nothing is going to germinate. The point is that you cannot control when the weeds and crabgrass will germinate. So what do you do if your lawn gets spotty or you have a construction project and the yard gets damaged.
You would need to watch for them to actually germinate then apply the product 60 day later. If you overseed around that time your grass will attempt to germinate at that time too. How long after over seeding can i apply my pre emergent herbicide.
My advice is to overseed after weeks you put your pre emergent down. So what s a gardener to do with a weedy thinly growing fescue lawn. A pre emergent chemical will prevent germination of any seed weed or turfgrass.
This is normally going to be a minimum of three to four months so this may actually push you outside of your seeding window to where you have to do it the following season. Rake through those bare spots and turn over the dirt to break up the pre emergent compounds. This is going to be entirely dependent on the timing of year.
Such is the case with pre emergents and fescue. After your 1st application of the year wait at least 7 to 10 days before doing any renovation of the lawn or seeding. If you are going to make a spring application of a preemergent you will likely not be overseeding that spring.
Seeding after pre emergent before applying pre emergent and new grass seed it is essential to keep in mind that the seeding must be completed no less than 45 days before the average first fall. Since the thin layer of this material in the top of your lawn s soil works well to prevent crabgrass seed germination it also will do so for other grass seed. If you intend to seed a lawn you can not use a pre emergent before you plant nor can one be applied for several weeks thereafter.
Even if you put out the seed early as you suggested the seeds won t germinate till the soil temperatures warm up.
Winter Rye Grass Beautiful All Year Top Choice Lawn Care
Know When To Overseed With Pre Emergent And Post Emergent Herbicides Video Domyown Com
When Can I Overseed After Use Of A Pre Emergent Herbicide Advanced Turf Solutions
With Pre Emergent On My Lawn Can I Plant New Grass Seed Or Sod
How To Reseed After Applying Pre Emergent