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What can I do now about Virginia buttonweed?
Posted on 8/27/18 at 3:06 pm
Posted on 8/27/18 at 3:06 pm
Have had a nice zoysia lawn for 3 years and Virginia buttonweed is starting to take over. At this point of the year what are the best things I can do to keep it from coming back in the spring? Lime, 2-4-d?
Anything now or have to wait until spring?
Anything now or have to wait until spring?
4
Posted on 8/27/18 at 3:49 pm to PT24-7
You’ll probably need to kill it this fall and lay a pre-emerge down along with it, then do something in the spring about it as well.
I’ll let one of turf specialist on the board comment on which chemistries to use. I’m just a farmer that’s been trained to nuke everything, so I don’t concern myself with saving the grass.
I’ll let one of turf specialist on the board comment on which chemistries to use. I’m just a farmer that’s been trained to nuke everything, so I don’t concern myself with saving the grass.
Posted on 8/27/18 at 3:52 pm to PT24-7
Celcius + Prodiamine at label rates = done deal.
Posted on 8/27/18 at 3:52 pm to prostyleoffensetime
Only good grass is a dead grass
Posted on 8/27/18 at 3:57 pm to PT24-7
MSM Turf took care of it for me at my last house. I just moved and the previous owner let that crap take over all of the yard. I'm about to spray it down with MSM this week, and will need to reapply in 6 weeks or so. Probably won't have much of a lawn over winter, but next spring will be nice and button weed free. 
Posted on 8/27/18 at 4:21 pm to LNCHBOX
quote:
MSM Turf took care of it for me at my last house. I just moved and the previous owner let that crap take over all of the yard. I'm about to spray it down with MSM this week, and will need to reapply in 6 weeks or so. Probably won't have much of a lawn over winter, but next spring will be nice and button weed free.
I am in the same boat. Previous owner rarely cut the grass and the weeds make up about 80% of my lawn. I finally had enough of those little white flowers and crab grass so I soaked the entire yard in MSM. Its dead. Its all dead and I love it. The second application goes on next week.
Come spring Ill be ordering an 18 wheeler of sod
Posted on 8/27/18 at 10:12 pm to LNCHBOX
Where do I get msm turf and do I apply it now to wherever i see Virginia buttonweed?
Posted on 8/28/18 at 8:35 am to PT24-7
I applied MSM last Tuesday, along with a surfactant the guy sold me on - Surface Sticker. The buttonweed is starting to turn brown now after a week. I plan to see how it dies back, re-apply again after a few weeks if necessary. Mine was just spot treatments.
I may throw some nitrogen out just to get the grass growing quick before winter hits to try to fill in the brown and barren spots where the buttonweed was. But I am definitely an amateur landscaper...
I may throw some nitrogen out just to get the grass growing quick before winter hits to try to fill in the brown and barren spots where the buttonweed was. But I am definitely an amateur landscaper...
Posted on 8/28/18 at 8:43 am to Zissou
Button will turn purple as it dies off.
Posted on 8/29/18 at 5:30 am to PT24-7
quote:
Virginia buttonweed (Diodia virginiana) is one of the leading weeds of Southern lawns. It is a warm season perennial weed that begins growing in spring and grows through the summer. The thick matting growth habit can crowd out lawns where it grows. Virginia buttonweed is not readily controlled by most lawn weed killers. It is one of the most difficult to control broadleaf weeds in lawns. Multiple herbicide applications over 2 summers are generally needed for heavy infestations.
Lawn weed killers that contain 2,4-D, mecoprop, dicamba and carfentrazone, such Weed B Gone Max for Southern Lawns, Weed Free Zone and Speed Zone, are effective in suppressing and somewhat effective in killing buttonweed with multiple applications. They are the best options among the herbicides commonly available to home gardeners at local nurseries.
Best control starts in the spring with an application of one of these products over the entire lawn in early April and again in early May. But, you should expect to make repeated herbicide applications through the summer after the April and May treatments. In LSU AgCenter research, it often takes 4 applications of herbicide to keep this weed in check and under control.
During summer, St. Augustine grass and centipede grass may be injured by these herbicides when applied in hot (>90 degrees) and humid weather. So, during the summer spot treat by just spraying patches of buttonweed. Minimize spraying the lawn grass as much as possible.
Repeated applications of the professional herbicides Celsius (thiencarbazone + iodosulfuron + dicamba) or metsulfuron (MSM Turf, Manor, Mansion) have performed best at suppressing and controlling Virginia buttonweed in LSU AgCenter trials. Celsius and metsulfuron are safe for all southern turf except bahiagrass. These herbicides are not restricted and can be applied by home gardeners. However, you will not likely find them at your local nurseries. But, you can order them online or check with local retail outlets that sell professional grade herbicides.
Persistent and regular spot treating with glyphosate over time is another way to help deal with this weed. Glyphosate (Roundup, Killzall and other brands) does a good job of killing this weed, but it kills the lawn grass as well – which is an issue. Be very careful to just spray the weeds when using this nonselective herbicide.
Prepared by:
Dan Gill?LSU AgCenter?Consumer Horticulturist
Metsulfuron Methyl
UTV 45 gallon 7 nozzle sprayer
This is everything you need to know
Posted on 8/29/18 at 6:06 am to PT24-7
Ewing Irrigation on Cloverland sells it.
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