I have an ifesation of wild violetllllA spraying company told me that he could apply something that only licenced co’s have…I used a spray of an Ortho product..I think it also killed Ozalis and has some chemical, which I forget int..Something that starts with a t..Sorry I can’t be more specific..Phil
For Violets in the lawn, you’ll need Bonide Chickweed and Clover Killer.