QuestionsHow to growSite and SoilRosesPremature petal drop on roses 0 Vote Up Vote Down Sue Mather asked 14 years ago We have some beautiful roses in pots and beds but this year several are only just opening and then dropping the petals. There is no obvious pest or damage. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Roses drop their petals quickly if the weather is dry and warm and/or they are pollinated very quickly by insects.