Acer sinopurpurascens

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Very rare in cultivation this small, spreading deciduous tree is about 10m in height, with smooth greyish-brown bark. Leaves are deeply five-lobed or rarely three-lobed, the upper surface dark green, paler green beneath and turning yellow in autumn. Showy purplish-red flowers in hanging clusters in spring are followed by pale yellow, bristly winged fruits

Position

Full sun, Partial shade

Soil Types

Clay, Sand, Loam

Max Height

8-12 metres

Max Spread

2.5-4 metres

Size

Time to Maturity
10–20 years
Max Spread
2.5-4 metres
Max Height
8-12 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–facing or 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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Sapindaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Spreading branched
Genus
Acer can be deciduous trees or large shrubs with paired, often palmately-lobed leaves and small flowers followed by characteristic winged fruits. Many have fine autumn colour, and some have ornamental stems
Name Status
Correct

How to Grow

Cultivation

Grow in fertile, moist but well-drained soil in sun or partial shade. See tree cultivation for further advice

Propagation

Propagate by softwood cuttings in early summer. Note: difficult to propagate, possibilities for grafting being limited by the absence of related species. Seed is not a useful alternative as it is a dioecious species and specimens are widely separated

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens

Pruning

Pruning group 1, if necessary, from late autumn to midwinter only

Pests

May be susceptible to Acer gall mite, aphids, caterpillars and horse chestnut scale

Diseases

May be susceptible to Verticillium wilt, Acer leaf scorch and honey fungus