Need help Identifying this weed

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George1981
Posts: 7
Joined: May 7th, 2018, 11:37 pm
Location: Lower Hudson Valley, NY
Grass Type: Tall Fescue, KBG
Lawn Size: Not Specified
Level: Not Specified

Need help Identifying this weed

Post by George1981 » May 20th, 2021, 8:52 pm

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Hello,

This weed is prevalent in my yard. I’m in the Hudson Valley in NY, zone 6B. I noticed it in the past week or so, mid May-ish. It is a light green color, so it’s easy to spot. My rear yard is loaded with it. Any ideas?

Thanks.
George

George1981
Posts: 7
Joined: May 7th, 2018, 11:37 pm
Location: Lower Hudson Valley, NY
Grass Type: Tall Fescue, KBG
Lawn Size: Not Specified
Level: Not Specified

Re: Need help Identifying this weed

Post by George1981 » May 22nd, 2021, 10:36 am

On a different forum someone suggested corn speedwell. Anyone have experience with that?

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andy10917
Posts: 29462
Joined: February 23rd, 2009, 10:48 pm
Location: NY (Lower Hudson Valley)
Grass Type: Emblem KBG (Front); Blueberry KBG Monostand (Back)
Lawn Size: 1 acre-2 acre
Level: Advanced

Re: Need help Identifying this weed

Post by andy10917 » May 22nd, 2021, 11:08 am

I thought I had posted "looks like a member of the Speedwell family", but I don't see my post.

Speedwells are pretty tough, and controls don't always work well this time of year - it's near the end of its life cycle. I generally put down Triclopyr, and follow up with a 3-way (2,4D/Dicamba/MCPP) 7 days later. To do that, an example would be Ortho's Clover, Chickweed and Oxalis Killer, and a week later hit again with Weed-B-Gon. It may take a repeat application.

George1981
Posts: 7
Joined: May 7th, 2018, 11:37 pm
Location: Lower Hudson Valley, NY
Grass Type: Tall Fescue, KBG
Lawn Size: Not Specified
Level: Not Specified

Re: Need help Identifying this weed

Post by George1981 » May 22nd, 2021, 11:59 am

Is it worth it to put anything down now? I did an application of a product with 2,4,D and Dicamba, not sure if it had MCPP (Spectricide Weed Stop for Lawns). This was about 8 days ago as I’m trying the triangle approach.

User avatar
andy10917
Posts: 29462
Joined: February 23rd, 2009, 10:48 pm
Location: NY (Lower Hudson Valley)
Grass Type: Emblem KBG (Front); Blueberry KBG Monostand (Back)
Lawn Size: 1 acre-2 acre
Level: Advanced

Re: Need help Identifying this weed

Post by andy10917 » May 22nd, 2021, 12:12 pm

Only you can make the decision about whether to deal with it now.


George1981
Posts: 7
Joined: May 7th, 2018, 11:37 pm
Location: Lower Hudson Valley, NY
Grass Type: Tall Fescue, KBG
Lawn Size: Not Specified
Level: Not Specified

Re: Need help Identifying this weed

Post by George1981 » May 23rd, 2021, 10:44 pm

Appreciate the advice on the weed.

Turk
Posts: 58
Joined: February 26th, 2021, 12:51 pm
Location: Annapolis, MD
Grass Type: JG Black Beauty (Fescue, KBG, Rye)
Lawn Size: 20000-1 acre
Level: Some Experience

Re: Need help Identifying this weed

Post by Turk » June 14th, 2021, 5:58 pm

I had someone ID my weed as Speedwell: 2,4D/Dicamba/MCPP (Ortho WGB) took out some but not all the weed and I can't apply any more this season; so far Triclopyr 8% (Ortho CCO) has been ineffective.

I'm going to see if Quinclorac 18.92% will take care of it.

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