Magnolia 'Sayonara'

RHS Plant Profile

magnolia 'Sayonara'

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Shrubs Trees

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A medium-sized deciduous tree or large shrub to 6m, with ovate leaves and goblet-shaped white flowers to 10cm in width in late spring, the broad tepals tinged purple at the base

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 20–50 years
Max Spread: 2.5-4 metres
Max Height: 4-8 metres

Growing Conditions

Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or North–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Magnoliaceae
Native to GB/Ireland: 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 full sun or part shade with shelter from cold winds. Late frosts may damage flower buds. Further magnolia cultivation advice

Propagation

Propagate by softwood cuttings in early summer or semi-hardwood cuttings in late summer

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Wall side borders

Pruning

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

Pests

May be susceptible to scale insects, horse chestnut scale and capsid bug

Diseases

May be susceptible to coral spot, Phytophthora, grey moulds, honey fungus, a virus or fungal leaf spot