Heptacodium miconioides

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seven son flower tree

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seven son flower tree RHS
seven son flower tree RHS
seven son flower tree RHS
seven son flower tree RHS

Other common names

seven son flower of Zhejiang

Synonyms

Heptacodium jasminoides

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Shrubs
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A bushy, upright shrub to 6m tall, with dark green leaves and prolific clusters of small fragrant white flowers from late summer to late autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
10–20 years
Max Spread
2.5-4 metres
Max Height
4-8 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–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)
H7

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Caprifoliaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Heptacodium are deciduous shrubs with simple, prominently 3-veined leaves and small, fragrant creamy-white flowers in panicles in late summer and autumn, followed by colourful, persistent sepals
Name Status
Correct
Plant Range
China

How to Grow

Cultivation

Grow in moderately fertile, well drained soil in full sun or light dappled shade

Propagation

Propagate by seed - sow seeds under glass as soon as ripe. Take softwood cutting in spring or semi-ripe cuttings in mid-summer

Suggested planting locations and garden types

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

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free