How to Prune large-leaved cucumber tree?
Minimal pruning required, see magnolia pruning. Deciduous magnolias should only be pruned between midsummer and early autumn

large-leaved cucumber tree · Magnolia macrophylla
Also known as: great-leaved magnolia; umbrella tree
Grow in moist but well drained neutral to acid soil in full sun or very light shade with shelter from cold winds. Late frost may damage the flower buds. For more information see magnolia cultivation advice
Minimal pruning required, see magnolia pruning. Deciduous magnolias should only be pruned between midsummer and early autumn