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How do I control this tall grass/weed?

7 years ago

This tall grass like weed has taken over my back yard. Any advice on how to get rid of them?

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dee_robinson87

7 years ago

last modified: 7 years ago

Longtime lurker that finally has something to offer here - My backyard and hillside were absolutely ravaged by that. I was going crazy. I was researching these forums daily.

After failing to make progress for months with hand pulling, I finally used gloves to hand apply Round Up (yes, took forever) followed by an application of Celsius WG (Amazon). Act fast, it spreads like wildfire.

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Comments (12)

joe renalds
7 years ago
O wow really have poa annua in a yard.. Well seeing as it mostly comes from over compaction of the soil you can do something expensive like full time aerating. Or go with a herbicide https://www.backedbybayer.com/~/media/BackedByBayer/Resource%20Library/White%20Paper/Bayer%20Solutions%20-%20Poa_annua%20-%20Warm%20Season%20Turf.ashx
cmbksu27
Original Author
7 years ago
It is not poa annua. It has a really firm stock and is rough to walk on. I posted a pic of it beside a piece of poa

annua
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owlnsr
7 years ago
Did you notice any rhizomes underneath of it? Particularly, large rhizomes?
cmbksu27
Original Author
7 years ago
No, pulls out fairly easy with roots attached
cmbksu27
Original Author
7 years ago
Although it could have some, like nutsedge, which appears as if you are pulling the root out, but are really just pulling it away from the rhizomes
cmbksu27
Original Author
7 years ago
Thanks Dee! I will try that. You are correct in that it spreads like crazy! I had a beautiful lawn last year and this year this stuff took over my back yard. The worst part about it is that it seems to brown out faster than the grass, making the lawn appear to have dead strands in it everywhere.
cmbksu27
Original Author
7 years ago
Crap! This what the Celcius WG label says "Do not use this product on bahiagrass, seashore paspalum or cool-season turf types, Including tall fescue, fine fescue,
Kentucky bluegrass, perennial ryegrass, or creeping bentgrass". I live in Ohio and my lawn is fescue/bluegrass.
User
7 years ago
How often do you mow that it gets that tall?
TS Garp
7 years ago
No actual experience, but could it be a ryegrass? http://wric.ucdavis.edu/information/natural%20areas/wr_L/Lolium_multiflorum-perenne.pdf

Just wondering what people thought...
joe renalds
7 years ago
Straight up looks like it. hee And here all this time I was punching the heck out of some fairways trying to get rid of it.
cmbksu27
Original Author
7 years ago
I mow at least 1x/wk (more in the spring when it is growing faster). The pc I picked was by a fence and I missed it with the trimmer. After further "googleing", it is annual ryegrass. I never had it before so it must have been in the mix that was used to over seed last fall. I probably accelerated it as well because I have been mulching instead of bagging all season. Guess I will just start bagging and plug/slit seed (with better seed) in the fall. Thank you everyone for your input.

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