Pterostyrax hispidus

RHS Plant Profile

epaulette tree

RHS 2002

Other common names

fragrant epaulette tree

Synonyms

Pterostyrax micranthus

Shrubs Trees

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A spreading deciduous large shrub or tree with ovate leaves to 20cm in length, and drooping clusters of small, fragrant white flowers and small spindle-shaped fruits covered with light brown hairs

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: Well–drained
pH: Acid or Neutral

Position

Full sun Partial shade

Aspect: South–facing or West–facing or East–facing or North–facing
Exposure: Exposed or 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): H5

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Styracaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Pterostyrax can be deciduous trees or large shrubs, with peeling bark, simple leaves and drooping panicles of small, 5-lobed, bell-shaped flowers held beneath the branches, and followed by small ribbed fruits.
Name Status: Correct
Plant Range: China, Japan

How to Grow

Cultivation

Will grow in most deep soils but will not tolerate shallow soil over chalk

Propagation

Propagate by seed sown in a coldframe or seedbed in autumn or semi-hardwood cuttings in summer

Suggested planting locations and garden types

Architectural
Low Maintenance

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free