Magnolia rostrata

RHS Plant Profile

beaked magnolia

Synonyms

Houpoëa rostrata

Trees Shrubs

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A large, open-branched, deciduous tree aout 15-20m tall, with huge, mid-green leaves to 50cm long, grey-green beneath, coppery and covered in rusty felt when young, and bearing, in early summer, small, fragrant creamy-white flowers 14cm long, the outer tepals tinged pink; cylindrical red fruits 12-15cm long with a distinct beak on each carpel follow

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

wider than 8 metres

Size

Time to Maturity: 20–50 years
Max Spread: wider than 8 metres
Max Height: Higher than 12 metres

Growing Conditions

Clay Loam Sand

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

Position

Full sun Partial shade

Aspect: South–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): H4

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: Spreading branched
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: Correct
Plant Range: China, Tibet, Myanmar

How to Grow

Cultivation

Grow in moist but well-drained neutral to acid soil in full sun or partial shade with shelter from cold winds. Flowers may be damaged by late frosts. See magnolia cultivation for further advice

Propagation

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

Suggested planting locations and garden types

Architectural
Cottage and informal garden

Pruning

Minimal pruning required, see magnolia pruning. Deciduous magnolias should only be pruned between midsummer and early autumn

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