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Magnolia 'Susan'
  • RHS AGM

magnolia 'Susan'

'Susan' is an upright medium-sized deciduous shrub with deep reddish-purple buds opening in mid spring to fragrant, cupped flowers with usually 6 tepals, red-purple outside, pink within

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Size
Ultimate height
2.5–4 metres
Time to ultimate height
10–20 years
Ultimate spread
2.5–4 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Purple Red Green
Summer Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Magnoliaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
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

Name status

Accepted

How to grow

Cultivation

Grow in moist, humus-rich, well-drained neutral to acid soil in sun or partial shade with shelter from cold winds. Late frosts may damage flower buds

Propagation

Propagate by softwood or greenwood cuttings from late spring to early summer or semi-hardwood cuttings from late summer to autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Magnolia pruning should be carried out in midsummer when in full leaf

Pests

May be damaged by horse chestnut scale, capsid bug and snails

Diseases

May be affected by coral spot, grey mould, honey fungus, a virus, fungal leaf spot or iron deficiency and lime-induced chlorosis

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