Prevent Poa Annua with Fall Pre Emergent
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- Опубліковано 26 сер 2021
- The best way to prevent Poa Annua is with a Fall Pre Emergent such as Prodiamine or Dithiopyr. Timing of the application also plays a roll however if you’re renovating your lawn or over seeding your lawn you can still apply a pre emergent if the timing is right.
Prodiamine 65 WDG - Pre-Emergent Herbicide 5 OZ: shrsl.com/2j6s4
Yard Mastery 0-0-7 Prodiamine .38% (45lb) Granular: shrsl.com/2j6s7
Yard Mastery .172% Dithiopyr Pre-Emergent Herbicide with Fertilizer 0-0-7 (45lb): shrsl.com/34x7a
Prodiamine 65 WDG (brand alternative - Barricade® 65WDG) 5 lb Jug: shrsl.com/34x7b
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Great information Nate. I did a Fall app of the Dithiopyr but didn't follow up with a Spring app and paid the price. I thought because the lawn was thick and didn't see any weeds from November to the following May I thought I was in the clear. Boy was I wrong come Summer time. For now on its back to prevention.
I completely agree. That's my plan going forward. I may overseed next fall but I may skip another year.
Another awesome video. Thanks for all the hard work you do for your videos. Very detailed!!
Thanks Sam. I appreciate ya 👊🏼
Great tips. I’m new to this. Thanks for the video. 8/21/23. I’m going to try applying it tonight.
Great info. Very solid approach…
Thanks Bud! 👊🏼
Lots of good info here nate. Perfect for future reference
Thanks Mike! 👍🏼
Nice video and great advice as always!
Thanks Dino 👍🏼
Great video! The poa has been bad this year. Thanks for the tips.
Thanks Kyle!! 👊🏼
Great stuff Nate. I’m over-seeding this week so I’ll be applying Prodiamine a little late. But like you said, it’s better than not putting anything down. Appreciate you.
Better late than never right? 👊🏼
@@PacificNorthwestLawns 👊
Thank you!! 👍
Thank you 🍻
Pre-e after seeding establishment great idea. Some pre is better than none.
Exactly 👍🏻 I definitely learned my lesson to not forget that step. Hopefully I can get the Poa Annua that's already here under control.
First year for me throwing down a pre emergent. I like to overseed so I developed a cycle to help combat the poa annua here in the PNW. I decided I would topdress/level/overseed in the spring and use pre emergent in the fall to stop the poa. I’m right there with you I hate the stuff!! Good luck I’m interested in your video on how you are going to take care of what you have now.
It'll be interesting to see how that works for ya. Spring is definitely a time you want to use a pre emergent and seed in the fall.
@@PacificNorthwestLawns me too I have to overseed bc my lawn gets a good amount of shade so I use fescue and rye mix to help it but it always looses some of its gains in the winter so it’s always in need of an overseed. It’s quite a predicament I’m in lol. My goal is to keep the poa annua at bay which is very prominent in my area. I guess I will see
Well i screwed up this year, i didnt get my pre emergent down soon enough and ended up with a few 4ftx8ft Poa Annua patches in my beautiful lawn so I sprayed with Tenacity and now I have a few 4ftx8ft dead spots in my beautiful lawn.. When I say dead spots, I mean there is nothing there now but dirt and dead Poa Annua..
Very helpful, thank you! So it seems feasible to get a late summer TTTF overseed down to fill in poa annua dead spots…then after a couple cuts of the new grass, start the preemergent and continue it into spring. Again, thank you 👍
Timing is important. Poa Annua starts yo germinate as the soil temperatures drop below 70*. Use something like GreenCast online to monitor that.
Definitely putting down prodiamine in a couple portions of my lawn. Would highly suggest a tank mix of tenacity + PoaConstrictor if anyone has a serious Poa issue. I am doing 2 applications here in the fall (just did my first). I missed the fall application last year and only did spring. 2 modes of action is definitely an added benefit and can be done in conjunction with seeding project here in PNW, just wait two weeks after PoaConstrictor application.
Excited to see your results in spring
Hey man don't giveaway my next video details so easily..🤣🤣
@@PacificNorthwestLawns haha, I’m hoping for solid results next spring. For what PoaConstrictor costs, I better see results
@@moneyb22 PoaConstrictor will not kill Poa trivialis. Poacure may, but it's not for the home lawn care industry yet.
@@whereisthedollar yup I know. Not talking about trivialis, Referencing Poa Annua. Also, I’m using this tank mix of tenacity & ethofumesate for both post-emergent and pre-emergent going into spring. Will require an application in the spring as well. Have several university studies that show the efficacy of using these two together on poa annua
oh man i really dont know what i want to do. ive thought about trying to spray the good parts of the yard with prodiamine and seed the weak areas, or do a late pre-emergent app like you talked about or just wait till spring for mine. i think im gonna gamble on just waiting till spring. fingers crossed.
Considering all you had previously was a rock garden you'll probably be good. 😁
@@PacificNorthwestLawns thats what im hoping on.
I’m in the same boat. I’m considering a late fall application and try and sneak an overseed in thin areas. Such a hard decision.
Good stuff this Nate! Here we getting either buckets of rain or 90’s heat. Setting back me progress. How finicky are lawn temps to applications? Cheers Nate!!
Thanks man. Are far has how finicky lawn temps are to applications that really depends on what you're applying. As far as the Prodiamine or Dithiopyr just watch your soil temperatures on Greencast. Once they're consistently around 70*, have at it.
Hey I am confused because you mentioned soil temperatures of 70 degree for fall application but the label of prodiamine (granular) mentions "apply this product in the fall after the soil temperature is below 50F". Where did you get that 70 degree soil temperature for fall? Thanks.
Does your poa actually die off or more like a semi-perennial? In PNW seems more like the latter (I'm in Kirkland). Trying tenacity and dethatching prior to seeding, and I will add WDG prodiamine at 30 days to help out for next year too
I think anywhere west of the cascades it just doesn't die off. I'm going to go into more detail on that in the next video.
I’m in eastern Washington and did a fall pre emerg and a spring and I have POA coming up all over the place. At this point I’m wondering if it is going to destroy the lawn. I didn’t have any just three seasons ago.
I think this long drawn out and wet winter has played a big roll in it this year.
What about using Ethofumesate. I'm going to be applying twice late fall. I wish Poacure (Methiozolin) comes to the lawn industry to kill poa trivialis.
That's coming in the next video. I'd read the label though, some grasses it recommends 3 fall applications.
poa been outa control this year!
It definitely has and unfortunately here we don't get enough consistent heat to kill it off so it survives all year long.
I want to Dethatch and overseed, but usually use scott's halts crabgrass preventor for the pre emergent effects only, now idk what should do? I won't be Dethatching for a few weeks ??
Well that entirely depends on when you applied the Scott's stuff, how much you applied and how long it lasts. I personally don't use that stuff so I don't know it's lasting effects. Hopefully you wrote down or remember when and how much you applied.
@@PacificNorthwestLawns I didn't apply it yet only around labor day for the Poa
@@Prtygrl44 I'm not familiar with the Halts and weather or not it's even labeled for Poa Annua. Personally I stay away from the Scott's products.
I have been putting down pre e and I still have POA. I am sick of it
It definitely doesn't stop it 100%