It would be recommended to wait 6-8 months before replanting after application of Bayer Advanced Brush Killer Plus Concentrate.
If you are just brushing the Bayer Advanced Brush Killer Plus Concentrate onto the stump directly it should not effect other plants in the area.
Adding a surfactant to Bayer Advanced Brush Killer Plus Concentrate is fine and can increase the effectiveness but on the label is does not specify it is required.
According to the manufacturer, after using the Bayer Advanced Brush Killer Plus Concentrate the re-entry is 8 weeks per grazer. Bayer Advance does NOT recommend applying their products in pasture areas.
Bayer Advanced Brush Killer Plus Concentrate is more for woody brush and vines. While it could kill grasses it was sprayed to we cannot recommend it for this use. For monkey grass, we would recommend spot treating with a glyphosate product such as Gly Pho-Sel Pro 41% with Surfactant
Per the product label on the Bayer Advanced Brush Killer Plus Concentrate there is no set time frame after it rains to apply, but you would want to wait until the ground is dry and there is no water puddled up. You would also need to be sure there will be no rain or water for 4 hours after application so the product has time to dry.
Bayer Advanced Brush Killer Plus Concentrate is not an insecticide so it should not harm bees. We suggest applying any product when bees are not foraging to lessen exposure.
Bayer Advanced Brush Killer Plus Concentrate can harm St.Augustine lawns. We recommend to apply on less windy days, so that it will not get on the lawn.
Bayer Advanced Brush Killer Plus Concentrate is not safe for use around aquatic life, so you should not use this product in a way where there would be runoff or overspray onto a pond. We do sell Aquatic Herbicides which you can browse here.
Bayer Advanced Brush Killer Plus Concentrate could harm a tree if you are spraying the leaves directly. Just on the trunk should not cause any issues.
It is recommended to wait atleast 3 weeks before replanting in the areas where Bayer Advanced Brush Killer Plus Concentrate was applied. Removing the treated soil and replacing with fresh soil before planting is also recommended.