Magnolia stellata 'Shi-banchi Rosea'

RHS Plant Profile

star magnolia 'Shi-banchi Rosea'

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Shrubs

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A slow-growing deciduous shrub, to around 3m high, with a broadly rounded habit and narrowly oval-shaped green leaves. Flowers are double, with many narrow mid-pink petals, and are produced before the leaves in spring

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 10–20 years
Max Spread: 2.5-4 metres
Max Height: 2.5-4 metres

Growing Conditions

Chalk Clay Loam Sand

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

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): H6

Colour & Scent

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

Thrives in moist but well-drained, neutral to acid soil, though this species will also tolerate chalk as long as it is not too dry. Position in full sun or part shade with shelter from cold winds. Late frosts may damage flower buds. See magnolia cultivation for more advice

Propagation

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

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Flower borders and beds
Wall side borders

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 and capsid bug

Diseases

May be susceptible to coral spot, phytophthora, grey moulds, honey fungus, virus diseases or fungal leaf spot