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Can you help me identify what has taken over my backyard

Posted on 10/11/20 at 6:45 pm
Posted by PJMLSU
United States
Member since Aug 2007
253 posts
Posted on 10/11/20 at 6:45 pm


It's all over my backyard, which admittedly I have neglected. More of a yellowish tint.
This post was edited on 10/11/20 at 6:46 pm
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5832 posts
Posted on 10/11/20 at 8:28 pm to
Doveweed - summer annual. I’m sure you’ve noticed the small purple flowers.

Cold will kill it but it will be back next year, starting in to mid/late April/early May, when soil temps hit 65-70 F. Prodiamine and Dithiopyr pre-emergents are not effective control agents. Specticle is the best pre-emergent to kill germinating seeds but expensive. You can kill it with the post-emergents Celsius or Atrazine. Grows well in shade and wet areas, but will also grow in sunny, well-drained areas. I have a problem with it as well - I’ll be using Specticle pre-emergent next April and Celsius to kill that which escapes the pre-emergent.

LINK

LINK

Posted by PJMLSU
United States
Member since Aug 2007
253 posts
Posted on 10/11/20 at 8:50 pm to
Thanks. My backyard is a mess.
Posted by Puffoluffagus
Savannah, GA
Member since Feb 2009
6467 posts
Posted on 10/11/20 at 8:57 pm to
quote:

Grows well in shade and wet areas


Yeah. I have a fair bit of this in the walkways between front and backyard where bermuda doesn't grow well given the shade. I need to figure out something to do with the walkway.
Posted by East Coast Band
Member since Nov 2010
66950 posts
Posted on 10/11/20 at 9:51 pm to
It's not hard to pick with your hands, if you need to wipe it out that way.
You can pick a big section of it all at once sometimes
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
44789 posts
Posted on 10/11/20 at 11:39 pm to
It’s very soft. I debated letting it take over my back yard but in the end I got on team centipede and we’re fighting it together. Just did my second application of Celsius. The first one stunted the growth we’ll see what this second one does.
Posted by magicman534
The dirty dell
Member since May 2011
1868 posts
Posted on 10/12/20 at 8:29 am to
Doveweed is bad this year. I sprayed atrazine/weedfree zone and a surfactant and it killed most of it. Once the Soil temps Went down I spread the spectacle pre emerg bc of that specific weed
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5832 posts
Posted on 10/12/20 at 9:34 am to
quote:

Thanks. My backyard is a mess.

If Doveweed is the primary weed overtaking your backyard I would seriously plan to purchase the spray product Specticle Flo and use it next year. If you have low spots and drainage issues work on correcting those as well. St Augustine or Centipede or Bermudagrassis not going to crowd this weed out - just the opposite. There is a granular Specticle pre-emergent product but it’s cost per 1000 sq ft is more expensive than the spray product.

Here is the product I’m referring to LINK. 16 oz container is smallest amount you can purchase. At Site One Landscape Supply it’s about $220/16 oz. Doing the math at $220, and a application of 6 fluid oz per acre = 0.138 fl oz per 1,000 sq ft, that equates $1.89/1000 sq ft. If you made 3 applications of this product per year, late winter, mid-spring and early fall, on a 10,000 sq ft of lawn that 16 oz bottle would last 4 years - so the overall cost doesn’t seem to bad as you can likely eliminate purchasing other pre-emergent herbicides and use less post-emergent herbicides.

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