Chemical Control
Unfortunately, these products will not control weeds that are already present. For full-grown weeds, post-emergent herbicides are necessary. Since dallisgrass is a grass and wild violets are a broadleaf, they may require different chemical control.
What type of weed is dallisgrass?
Dallisgrass is a grassy perennial weed that is commonly confused with crabgrass. Even though they may look similar, the treatment for them is much different.
Does weed B Gon kill dallisgrass?
The postemergent herbicides MSMA or CMA (such as Weed-Hoe or Weed-B-Gon Crabgrass Killer for Lawns) can be used by home gardeners to control clumps of dallisgrass growing in lawns. These herbicides are relatively selective and must be applied two to three times at 3-week intervals in the summer.
