Unfortunately, Sevin Dust 5% is not labeled for use on Roses. Roses are naturally sensitive flowers and we would recommend a product that is specifically for Rose Care.
The manufacturer of Sevin Dust recommends that it be used at least 5 feet away from a well or septic tank.
Sevin Dust has specific regulations on harvesting after application based on their research. It it is possible it could harm anyone who would consume the vegetables prior to the allowed harvest time frame. Always follow the labeled instructions for your safety.
Wait at least 3 days before harvesting after application of Sevin Dust 5% and do not water for 2 days after application.
For best results, you should apply Sevin Dust after a rain or watering and do not water for 2 days after application.