Originally Posted by Ric
Atrazine is labeled for Button Weed.
Sorry I don't know your climate and can not advise best treatment window. My area, turf is year round growing season. However From now till spring we are in the slower part of our growing season. I hate to kill out large patches of weeds this time of year because the turf doesn't grow in as quick. I don't want to plant Rye grass because it will compete with the desirable turf in the spring.
I've never used atrazine, kind of afraid of it. Are there any pre's for buttonweed, Gallery maybe-even though it is not on the label, just wondering?