Arrest Max Herbicide is safe to apply on established clover. It is applied when the first grass weed species in a mixed grass weed population reaches the specified growth stage for treatment.
Arrest Max Herbicide is only labeled to control grasses and should not harm birdsfoot treefoil. We would recommend checking directly with the manufacturer for confirmation, though. Whitetail Institute can be reached at 1-800-688-3030.
Arrest Max Herbicide is not specifically labeled for this application, so we cannot confirm the application would be safe or effective depending on your targeted weeds. Please provide details on your application needs for further assistance. Some other products which contain the same active ingredient are labeled for use on brassica vegetables.
Arrest Max Herbicide is a grass killer only and while we would not recommend spraying around grapes as very few products as listed as tolerable to it on the label, we would suggest contacting the manufacturer directly to confirm if any harm will be done if sprayer on grape vines. Whitetail Institute can be reached at 1-800-688-3030.