EndRun Herbicide with Trimec is not labeled to control khakiweed. Monument is the only herbicide we have that is labeled for khakiweed control in turfgrass. This article suggests other active ingredients that have shown activity on this weed, but we cannot guarantee they would be effective. Based on that article, you could consider Blindside or Changeup depending on your turf type.
The application rate for EndRun Herbicide with Trimec is 1.1-1.5 oz per 1,000 sq. ft., so depending on the rate you use the product will cover 85,300-116,300 sq. ft.
No, EndRun Herbicide is not labeled to treat dallisgrass. We have a Dallisgrass Control Guide you can review for steps on eliminating and preventing it in your lawn.
EndRun Herbicide with Trimec is not specifically labeled for knapweed. You may be able to use a product like Weedmaster instead.
We recommend using Endrun to treat for bindweed and oxalis in an ornamental setting. Spray around and underneath the shrubs during the cooler times of the day.
It is recommended to use the mixed solution of EndRun Herbicide with Trimec within 24 hrs for best results, after that the chemicals will break down and loose efficacy.
EndRun Herbicide with Trimec is a broadleaf weed killer only and will not effect poa annua. The best way to control poa annua in a Kentucky Bluegrass lawn is with pre-emergent herbices before it emerges. After emerging you can really only spot treat with a glyphosate based product and then reseed the areas with KGB.
If you have already seeded, delay your application with EndRun Herbicide until after the second mowing once the grass in established and growing. You can reseed on treated areas 3 weeks after the application.