AWARD

ACER japonicum 'Aconitifolium'

Commonly known as Downy Japanese maple

  • Deciduous
    Rounded leaves with 7-11 deeply cut main lobes.
  • Red
    Conspicuous red-purple flowers
  • Height
    6m (20ft)
  • Spread
    6m (20ft)
  • Tree
    Or large, bushy, free-flowering shrub. Produces flowers in erect umbels
  • Hardy - very cold winter
    Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
  • Full sun
  • Partial shade
  • Additional Features
    Good to know
    Ultimate size in 10-20 years. A slow growing Acer
    Pests & Diseases
    Aphids, mites, scale insects, caterpillars, Verticillium wilt, leaf scorch, honey fungus
    Place of origin
    Japan
  • Garden Location/Conditions
    Suitable for small gardens
  • Hardiness
    Fully hardy
  • Leaf margin
    Parted
    (see photos above)
  • Leaf shape
    Orbicular
    (see photos above)
  • Pruning group
    Pruning group 1
    Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
    Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
    When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.

    RHS group 1
  • Seasonal Interest
    Autumn
    Spring
  • Soil Conditions
    Fertile moist well-drained soil
    Neutral to acid soil
  • Tree Shape
    Rounded to broadly spreading
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Acers - Care Guide
Planting to avoid allergic reactions and asthma
Shrubs - Care Guide
Shrubs and Trees - Seeds - 1) Collecting Seeds
Shrubs and Trees - Seeds - 2) Storing Seeds
Shrubs and Trees - Seeds - 3) Planting Seeds
Trees - Care Guide
6m (20ft)
tree - guide for size not form Average Person
  6m (20ft)
 

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