About
Magnolia sieboldii, the small-flowered magnolia, is a large, deciduous shrub or spreading small tree to 8 m with dark-green leaves, downy grey-green beneath, to 15 cm. Strongly scented, cup-shaped, pure-white flowers with 12 petals and a large boss of deep-red stamens are produced in late spring into midsummer; ornamental fruiting clusters turn crimson-pink in autumn. A beautiful magnolia for a sheltered woodland garden.
About the genus
Magnolia are deciduous or evergreen trees and shrubs producing large, often fragrant, showy flowers � sometimes before the leaves emerge � in shades of white, pink, red or purple, sometimes followed by ornamental, cone-like fruiting clusters.
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam, Sand
Soil pHAcid, Neutral, Alkaline
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH6
Plant details
Plant typeTrees
HabitSpreading branched
FoliageDeciduous
Height4-8 metres
Spread4-8 metres
Time to full height10-20 years
Suggested usesArchitectural, City and courtyard gardens, Cottage and informal garden
Native toCentral China to Japan
FragranceFlower
Care notes
CultivationGrow in moist but well drained neutral to acid soil in full sun or light shade with shelter from cold winds. Will grow in moist alkaline soils. Late frost may damage the flower buds. For more information see magnolia cultivation advice
PruningMinimal pruning required, see magnolia pruning. Deciduous magnolias should only be pruned between midsummer and early autumn
PropagationPropagate by seed or propagate by softwood cuttings from late spring to early summer or semi-ripe cuttings from late summer to autumn
Pest resistanceMay be susceptible to scale insects, horse chestnut scale and capsid bug
Disease resistanceMay be susceptible to coral spot, phytophthora, grey moulds, honey fungus, a virus or fungal leaf spot