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Glock17
Chicago Cubs Fan
Member since Oct 2007
18865 posts

Will the summer heat eventually kill out dollar weed?
My yard is pretty ate up with dollar weed... I did a treatment a few months back and it knocked some of it back but I feel like it’s come back worse than it was before. Will the heat kill it off or should I try something else? I’ve seen that fertilome dollar weed control at cleggs and thought about buying a bag of that.


Slingscode
Rice Fan
Houston, TX
Member since Sep 2011
641 posts
 Online 

re: Will the summer heat eventually kill out dollar weed?
Yes, don't sweat it.


pwejr88
LSU Fan
Friend of Bill
Member since Apr 2007
27967 posts

re: Will the summer heat eventually kill out dollar weed?
Same with clover right?


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
230 posts
 Online 

re: Will the summer heat eventually kill out dollar weed?
Dollarweed is a perennial weed - it won’t die out on its own. You are going to have to re-treat to get it under control. Also make sure your cutting your lawn at the right height, and if you have low spots, a poorly draining lawn you’ll need to fix that over time.

If you are persistent you can get it under control, but it will take time, think months/year, not days/weeks.

Here is a nice article with all your control options.

P.S. make sure it’s dollarweed and not ponyfoot (dichronda) - sometimes people confuse them.
Dollarweed Control


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
230 posts
 Online 

re: Will the summer heat eventually kill out dollar weed?
Clover -Also a perennial. I’d treat it to prevent spread over time. Nice article on control options for clover.
Control of Clover in Lawns
This post was edited on 5/13 at 9:59 pm


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OleWarSkuleAlum
LSU Fan
Member since Dec 2013
6137 posts

re: Will the summer heat eventually kill out dollar weed?
MSMA


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gumbo2176
Member since May 2018
3555 posts
 Online 

re: Will the summer heat eventually kill out dollar weed?
I have a pretty large vegetable garden and my problem for the past couple years has been oxalis. It is a PITA to deal with, but does die back in the heat of summer and cold of winter. But in between, it goes nuts and can take over a large area in no time.

This year I noticed the uptick in burweed that I never had to deal with before---and I've been in this house since 92. I was out walking around the yard barefoot a couple days ago and picked up several stickers in the soles for my effort.


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Glock17
Chicago Cubs Fan
Member since Oct 2007
18865 posts

re: Will the summer heat eventually kill out dollar weed?
quote:

You are going to have to re-treat to get it under control.


My hop is that it'll knock back some with the heat, and then early fall I can do preemergant?

quote:

make sure it’s dollarweed and not ponyfoot (dichronda)


Unfortunately I got both pretty bad.... what's the best treatment for ponyfoot?


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
230 posts
 Online 

re: Will the summer heat eventually kill out dollar weed?
Don’t know about heat knocking it back this summer as I spray mine when I see it, but I’d suggest you not give it any additional opportunity to spread. Pretty much any perennial weed is going to require multiple herbicide applications, often at 2 to 3 week intervals, to get it under control. But I’ll caution, make sure you read the label on any herbicide you use, also read university based fact sheets, on control of the weeds you are dealing with. Don’t hesitate to contact your parish or county university extension agent for further advice, they are happy and paid to help, and a great resource you pay for with your tax $.

Pre-emergent in fall, great for any number of fall annual weeds, but not perennials like dollarweed because dollarwwed propagates and expands by methods other than seed. Pre-emergents kills seedlings once the seed germinates.

Control of ponyfoot (dichronda) is similar to dollarweed. Here is some additional info on control measures from the LSU AgCenter which includes ponyfoot.
LINK



Glock17
Chicago Cubs Fan
Member since Oct 2007
18865 posts

re: Will the summer heat eventually kill out dollar weed?
Guess I need to hit it with the atrazine sooner rather than later... I’ll have to mix up some this week and spray.

Have any of y’all tried this product? I’ve seen it at cleggs and almost bought a bag
LINK


CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
230 posts
 Online 

re: Will the summer heat eventually kill out dollar weed?
Sounds like a plan. Make sure you are using surfactant in your spray solution because dollarweed has a very waxy leaf.

Personally never tried Fertilome Dollar Weed Control as dollarweed never been a particularly large issue for me but I do like the ease of applying granular products when available vs mixing spray solutions.


Glock17
Chicago Cubs Fan
Member since Oct 2007
18865 posts

re: Will the summer heat eventually kill out dollar weed?
quote:

Personally never tried Fertilome Dollar Weed Control as dollarweed never been a particularly large issue for me but I do like the ease of applying granular products when available vs mixing spray solutions.


I like the idea of granular as well. I think I might pick up a big and give it a shot this weekend


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CrawDude
LSU Fan
Baton Rouge
Member since Apr 2019
230 posts
 Online 

re: Will the summer heat eventually kill out dollar weed?
quote:

problem for the past couple years has been oxalis.

Another one of perennial weeds that is difficult to eradicate. I have a few spots and I spray it to keep it in check, comes back each year, but I don’t allow it to spread.
quote:

uptick in burweed

Seems that’s true for many - worst I’ve seen it my yard this year. Hosts on local garden radio programs have said the same.




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RedPop4
USA Fan
Santiago de Compostela
Member since Jan 2005
10807 posts

re: Will the summer heat eventually kill out dollar weed?
I get a real charge out of digging it up from well below the level of the stolons, and pulling them all out.


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