Magnolia ‘Galaxy’ is easily grown in humus-rich, neutral to slightly acidic, average to well-drained soils in full sun to part shade. It will perform best if planted in a location protected from strong winds which may damage foliage. Can be pruned as needed after flowering but usually requires little pruning other than removal of dead or damaged branches.
According to Missouri Botanical Garden “’Galaxy’ is a hybrid magnolia (M. liliiflora ‘Nigra’ x M. sprengeri ‘Diva’ ) which was crossed by the U.S. National Arboretum in 1963 and subsequently introduced into commerce by them in 1980. This is a large, narrow-pyramidal, deciduous single trunk tree with ascending branching. Fragrant rose-pink to reddish-purple flowers (each to 6-12” across) bloom in late April to early June. Each flower features up to 12 showy petal-like tepals. Large, ovate, medium green leaves (each to 9″ long) appear in whorl-like clusters at the branchlet tips.”
Photo Credit: Col Ford and Natasha de Vere from living in Wales, CC BY 2.0 , via Wikimedia Commons