Fall Pre-Emergent for Winter Weed Control vs Fall Overseeding | What Is Best for My Lawn?
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- Опубліковано 14 жов 2024
- Fall is a time where seeding and controlling winter weeds are a few of the many things we are beginning to think about doing for our cool season lawn. Which strategy is best for your lawn? Seeding and applying a pre-emergent are good things to do for your lawn but you can't do both. Here I discuss each strategy so you can decide which method would be the best for your lawn this fall.
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I’m in down south Texas, in a new to me property that was severely neglected. Massive bare spots, massive weed patches, cut down like 12 trees, very slim amount of Bermuda patches but it’s there. I’m going to drop some pre emergent and fertilizer tomorrow. Try to push it and prevent what I can before it goes brown in late December early January, do a burn out treatment with round up. Then do another pre emergent fertilizer treatment around March and maybe seed this time next year. Going to give it a full year and see what keeping the grass cut low, fed and watered can really do. Otherwise I’m scalping and dropping sod in 12 months lol.
Glad to hear a question from York PA. I live just north in Mechanicsburg area. Very helpful information that I never thought of before. Thanks for all you do Allyn.
Wow this was such a good video. Thank you for all the info.
For cool season grasses, when do you need to apply a fall pre-emergent? Is it by or at a certain ground temperature or by a specific day or no later than...? Thanks...
I think you need to analyze what your weed problem is and develop your seeding strategy from there. For my lawn poa annua is the monster. I need to apply pre-emergent in the fall. I overseed in the spring and have done it successfully numerous times. I actually did a complete renovation in the spring w great results.
I apply seed at around 50+ with tenacity. The 1 time I seeded in the fall the next years poa invasion was pretty bad.
If you want to overseed and do weed control.. Tenacity! Its a post and pre emergent and allows you to overseed with out waiting months in between. It’s a game changer and application rates are easy to figure out. I also get my clients to over seed 4 times in a two year period and that usually produces a ton of new grass. I’ve also been using liquid aeration versus the core aeration You get 100% coverage with the liquid. Looking forward to fall IPA’s LCN!!
I agree 100% with using tenacity. I used it to seed my new lawn, just sprayed it down the day before, and seeded next day. I was super skeptical in it working..... Sure enough, 4 month's later, my lawn is nicer than my neighbors well established lawn.😁 ( side note..... I did baby my new lawn tho, and did everything I was supposed to all season long, gotta put the work and effort in to it, to have good results!)
As a lifelong Floridian I must ask about this 'cool season' that you speak of....sounds mythical to me.
my fall plan. Central ILL. might not work well, but going to send it. i put down fall gran fert. 30-0-3 last week. this weekend spraying drive xlr8. then in a few weeks plan on plug aerate and overseed. 33K sqft.
Tupersan aka Siduron can be used just like Tenacity. The brand Johnathan Green uses it in some starter ferts.
I didn't even know it was available anymore. thanks.
Thanks for the info, very helpful. Per your advice for me to try and knock out my Poa this year, I'm going to go the route of your Dithiopyr Pre-Emergent product instead of aerating and over-seeding. My soil temps today are 85 degrees here in St Louis. My question is, since I have few thin spots from fungus this year, can I de-thatch those thin areas, put some seed down and wait a few more weeks before I put down the pre-emergent? Would I be hurt by this thinking?
I’ve tried the spring seeding several times with no luck. Seems like the grass just doesn’t development the toughness to make it through those hot summer days. Fall seeded last year and those areas are the best in my yard this year.
One quick question , We’ve had rain here in Minnesota for the past three days over 3 inches, I can finally mowed today, I plan to put down the Dithiopyr and also do a treatment of RGS AND AIR 8will I have to still water in the Dithiopyr more after that the RGS AND AIR 8 treatment,since it’s the ground is really soaked? Thanks again for the fast shipping and service
Fenomenal my friend, thank you!
I put weed and feed on Aug 17. Then done the aeration and overseeding on Sep 12. I know I need to put fertilizer for the new seeds. Since I put the weed and feed about a month ago, I am thinking to wait until mid-October to put the fertilizer (two months gap between application). Will this be too late to put the fertilizer for the new seeds? Additionally, which fertilizers do you recommend? Thanks for your informative videos, and I am learning more from your videos.
Your so wise. Like a Lawn Yoda.
Can you still do nitrogen blitz?
Hey Allyn I’m not over seeding this fall (I don’t need it lawn is thick) so I’m gonna push it with fertilizer. So my question is can I push and still put down post emergent? Lawn is thick but I’ve got more weeds than I would like . Also,I’m in Michigan so my window is closing fast.
Thanks, great info once again.
I have been fighting Poa in the spring the last couple of years after dealing with it in the winter. Would you also put down some Pre E in the spring as well as the fall?
Great job LCN!! I’m hoping to not have to overseed by 2021 lol
Allyn we did a significant renovation to our turf and crowfoot grass(like crabgrass,actually from the same family)more has out grown our bermuda grass,i hear i have to wait 6 weeks before i spray post emergent herbicide....but i want professional advice on how i combat this without hurting my grass?
If I put seed down 3 weeks ago, and spurge is popping up (in Texas), can I still spray the weeds or put a granular down or will it hurt the new seeds?
For a 💯 new lawn. When before the seed or after should I put down post emergent
Hi Alyn, I live in Brasil, but here we dont have the same products that you have in US. Can you recommend me some pre-emergent just by its active ingredient that I can find here? By its chemical name? Thanks 👍
Dave here in Bucks country PA .If I over seed in in July /September when the temperature reaches around 70° can I apply pre-emergent “prodiamine” around 45 days later ?
I seeded in the spring with KBG and it's been a battle controlling the weeds. We had no choice but to seed in the spring not sure if I should do pre emerget to control the weeds or over seed to thicken it up. Please send help !
I just ordered a couple of bags yesterday,does any type of mowing disturb the barrier of the herbicide granular?
regular mowing is fine, but don't play football on the lawn either. :)
If I have a small patch of poa annua in my lawn and im on a overseed plan, can I spot treat the poa?
Keith Miller I’m not the LCN but I am almost positive you can.
I’m pretty sure you can too. I didn’t know how much the pre emergent effected soil around it.
Keith Miller my friend went right up to the border and just the littlest outskirts didn’t grow. Everything else grew. Leave just a little edge maybe a foot
I overseeded and used tenacity at the time of seeding and will spot treat some areas again with tenacity about 4 weeks later. Death to poa!
So heres my question.......at what point can you put down a pre emergent if you have overseeded on 8/15 here in Wisconsin?
they define that on my product as "established turf" which is grown and has been mowed 2x
@@LawnsAcrossAmerica Thanks Big Al.........i really Appreciate all your help with my lawn.
#1
Isn’t it a chemical barrier not vapor barrier?
I heard that somewhere else it might be a carry over from insulation from construction industry.
Maybe a vapor barrier created with chemicals. Kinda like a vapor barrier in construction done with poly film..... 🤔🤯🤓.
@@handcannon4545 yes that - the chem breaks down and leaves a vapor.
😃
Another awesome video and great info