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| yes, another weed/plant identity crisis. zone 6 mainland NY.
http://www.mountcrumpit.com/images/WeedGrass-1.jpg
I've watched this plant invade the bare/weaker spots of my lawn for a number of years (<6) now. Its seems to have originated in from the brush line (alot of the prop is forest with minimally tended border). It comes out in Mid-May and prefers bare spots. --so the established lawn, though not immune, tends to hold its own. But, I have seen isolated young/small instances of the plant growing in established turf. Appears to prefer sun. I've seen it in leaf litter and in the cracks of rocks, very oppotunistic -- and its invading down a slope (along with wild raspberry) as I've cleared trees. There is alot of (what I call) Dairy Grass (bunches) at the bottom of that slope (in the "forest") -- this property was very likely Dairy pasture up to 60 years ago (too rocky/hilly for crops). There's now a battle line between the "plant" and that dairy grass. No evidence yet of who is winning. I don't recall what its seed stem looks like. It seems to literally die earlier than the (desireable) turf grasses. This plant will grow, if left alone, to 2 feet or more. Its extremely weak rooted. Even fully grown plants pull easily by hand. At any height higher than mowable -- it falls over. Never seen rhizomes or stolons. I've tried the purdue id apps to no avail. Can anyone help? thanks. |
Follow-Up Postings:
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| Here are embedded images: (thanks for any help) IT:  ROOTS:  In Situ:  |
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| Just spray it with Weed B Gone Max and call it a day. I think people put too much emphasis on trying to ID every single weed in their yards. Weed B Gone max will take out most of the broadleaf weeds you encounter. If it doesn't work, then you might have to do a little research, but this one doesn't look like it will give you too much grief. |
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- Posted by bassplayer7 none (My Page) on Wed, Jun 15, 11 at 15:26
| You could also try Trimec Plus - seems to be good stuff as well. |
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| Oh no! That stuff has reached NY? Where are you in NY? I'm in NY also and don't want to deal with THAT. I recognize it from a patch that I saw in Pennsylvania a few years ago. I'm 95% certain that the pictures are of Japanese Stiltgrass. Not fun - in the proper situation it is quite invasive and a real pain when it can wander out of a wooded area again and again. The mentioned herbicides won't even phase it. As far as I know, the only thing labelled for use on Stiltgrass is Fenoxaprop. |
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- Posted by nearandwest 7 (My Page) on Thu, Jun 16, 11 at 9:27
| rokosz: go to google and type in "japanese stiltgrass" and read some of the entries and look at some of the pictures contained under that heading. I believe Andy may be correct. |
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- Posted by Susan M Robb MD(suezim54@gmail.com) onThu, Jun 16, 11 at 10:50
| Thanks for posting the photo - I have the exact invading woodland grass and it is taking over my lawn. What have you tried on it so far and how do you do it without destroying the lawn also? I'd appreciate any help with this problem. Thanks |
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| Thanks for the direction folks. Oh yes, that does seem to be Stiltgrass. google it and choose the NPS link. my "cultivar" doesn't seem to have the prominent mid-vein in the leave -- but every other description fits. Pre-emergent, Round-Up Pro or manual pulling along with yearly whacking as the flowers emerge - late summerish. This is an(other) asian devil. |
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- Posted by nearandwest 7 (My Page) on Thu, Jun 16, 11 at 12:59
| I had mentioned this in a previous thread related to Japanese Stiltgrass. Acclaim Extra herbicide (fenoxaprop) can be used on a cool-season lawn to control Japanese Stiltgrass. You will probably need to make 2 applications, 4 weeks apart. Also, next Spring, the use of a pre-emerge herbicide such as Dimension or Barricade will be effective in controlling this invasive weed. As always, follow label directions. You can find Acclaim Extra herbicide at the John Deere Landscapes/Lesco store near your area. |
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| I am pretty sure that hairy mid-rib is key to ID of this weed as there are a few other weeds that look almost identical: Virginia cutgrass, hairy jointgrass aka small carpet grass, Pennsylvania knotweed, and possible others. http://www.turffiles.ncsu.edu/turfid/csPagedPdField.aspx?PlantID=MCGVM |
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