Neoshirakia japonica

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<em>Neoshirakia</em> <em>japonica</em> visionspictures.com

Synonyms

Sapium japonicum

Trees Shrubs
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A small tree or shrub to 8m tall with elliptic , mid- to dark green leaves that turn shades of red and yellow in autumn. Inconspicuous, greenish-yellow flowers in thin catkins are followed by three-lobed, hanging seed capsules

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
20–50 years
Max Spread
2.5-4 metres
Max Height
4-8 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–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

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Euphorbiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
A small genus of deciduous shrubs or small trees, native to east Asia, of which only Neoshirakia japonica is known to be in cultivation. It is grown for its large, leathery foliage which turns intense shades of bright red in the autumn
Name Status
Correct
Plant Range
China, Korea, Japan

How to Grow

Cultivation

Grow in any fertile, well-drained soil in full sun or partial shade; may benefit from planting in a sheltered position against a south- or west-facing wall in areas prone to cold winters

Propagation

Propagate by seed or by semi-ripe cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free