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AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names Chinese magnolia
Synonyms Magnolia globosa var. sinensis Magnolia nicholsoniana
Magnolia sieboldii var. sinensis Magnolia sinensis
Family Magnoliaceae
Genus Magnolia can be deciduous or evergreen trees or shrubs, with large, showy, often fragrant flowers, often opening before the leaves, and sometimes followed by colourful cone-like fruit
Details M. sieboldii subsp. sinensis is a spreading large deciduous shrub with dark green, ovate leaves, greyish beneath, and cup-shaped fragrant white flowers 10cm across, with prominent crimson stamens
Plant range W. China
Foliage Deciduous
Habit Bushy
Fragrance Flower
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H6
Full Sun
Partial Shade
Aspect East-facing or South-facing or West-facing
Exposure Sheltered
Clay
Loam
Sand
MoistureMoist but well-drained, Well-drained
SoilClay, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 4-8 metres
Ultimate spread wider than 8 metres
Time to ultimate height 20-50 years
Cultivation Grow in moisture-retentive, well-drained neutral to acid soil in sun or part shade with shelter from cold winds. Will grow in moist alkaline soils. Further magnolia cultivation advice
Propagation Propagate by seed, semi-hardwood and softwood cuttings
Suggested planting locations and garden types Low Maintenance Cut Flowers City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants Architectural
Pruning Magnolia pruning should be carried out in midsummer when in full leaf
Pests May be affected by horse chestnut scale, capsid bug and snails
Diseases May be affected by coral spot, grey mould, honey fungus, a virus and fungal leaf spot
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
Chinese magnolia
Buy from £99.99 at the RHS Plants Shop
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