QuestionsHow to growTrees and ShrubsPests and Diseasesno flowers on Magnolia stellata 0 Vote Up Vote Down Mena ODonnell asked 8 years ago The flowers seemed to be coming out, but they have all gone brown now and never actually flowered 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Magnolia stellata flowers in April and most likely got a touch of frost. It could also be a fungus, such as grey mould disease as it was a wet and cold spring. It will proabbly be alright next year.