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Acer japonicum 'Aconitifolium'

Phonetic Spelling
AY-ser juh-PON-ih-kum
Description

'Aconitifolium' is a dwarf, mounded, deciduous multi-stemmed shrub or small tree which typically grows slowly to 8-10' tall. It works well as a specimin or in small groups as understory plant with striking fall color.  Features palmate, almost fern-like medium green leaves which are deeply divided. These leaves turn crimson in fall.  Before leaves appear in the spring you will notice small, attractive reddish flowers that give way to samaras (winged fruit) wich ripen in late summer to early fall. While the flowers are lovely close up they will not be noticed when looking at your landscape from a distance. 

It grows well in average, medium moisture, well-drained soil in full sun to part shade. Plants prefer cool summer conditions.  Young trees should be staked to promote more erect growth. Plants perform poorly south of USDA Zone 7.

Insect, Disease, and Other Problems: This plant suffers from no serious insect or disease problems but can host aphids, scale, borers, mites, and caterpillars.  Plants are occasionally susceptible to verticillium wilt, leaf spots, root rots, anthracnose, collar rot and stem canker.  Protect from late frosts as foliage tends to leaf out early in spring and may be damaged.

 

Growth Rate: Slow to moderate

Habit: multi-trunked

Site: Sun to partial shade but protect from harsh summer sun. Protect from harsh winds. Prefers moist, well-drained soil

Texture: Medium to fine

Cultivars / Varieties:
  • 'Aconitifolium'
Tags:
#sun#deciduous#fall color#small tree#full sun#partial shade#spring#maroon#shrub#tree#spring flowers#fall interest#understory tree#samara
 
Cultivars / Varieties:
  • 'Aconitifolium'
Tags:
#sun#deciduous#fall color#small tree#full sun#partial shade#spring#maroon#shrub#tree#spring flowers#fall interest#understory tree#samara
  • Attributes:
    Genus:
    Acer
    Species:
    japonicum
    Family:
    Aceraceae
    Dimensions:
    Height: 8 ft. 0 in. - 10 ft. 0 in.
    Width: 8 ft. 0 in. - 10 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Shrub
    Tree
    Leaf Characteristics:
    Deciduous
    Habit/Form:
    Mounding
    Multi-stemmed
    Rounded
    Spreading
    Growth Rate:
    Slow
    Texture:
    Fine
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Drainage:
    Good Drainage
    Usda Plant Hardiness Zone:
    5a, 5b, 6a, 6b, 7a, 7b
  • Fruit:
    Fruit Color:
    Gray/Silver
    Pink
    Red/Burgundy
    Display/Harvest Time:
    Fall
    Summer
    Fruit Type:
    Samara
    Fruit Length:
    < 1 inch
    Fruit Description:
    Flowers are followed by winged samaras (to 1” long) which ripen in late summer to early fall.
  • Flowers:
    Flower Color:
    Gold/Yellow
    Gray/Silver
    Pink
    Red/Burgundy
    Flower Bloom Time:
    Spring
    Flower Description:
    Maroon flowers on long stalks appear in April.
  • Leaves:
    Leaf Characteristics:
    Deciduous
    Leaf Color:
    Gold/Yellow
    Green
    Orange
    Red/Burgundy
    Leaf Value To Gardener:
    Showy
    Deciduous Leaf Fall Color:
    Orange
    Red/Burgundy
    Leaf Type:
    Compound (Pinnately , Bipinnately, Palmately)
    Simple
    Leaf Arrangement:
    Opposite
    Leaf Shape:
    Lanceolate
    Ovate
    Leaf Margin:
    Lobed
    Hairs Present:
    No
    Leaf Length:
    3-6 inches
    Leaf Description:
    Opposite, simple palmate fern-like leaves 3-6" across, with reddish petioles and 7 to 13 acuminate, toothed and cut, ovate to lance-shaped lobes. The leaves' color varies from deep green in summer, can be bright yellow, to orange-red fall color. Leaves tend to persist into winter.
  • Bark:
    Bark Color:
    Dark Brown
    Dark Gray
    Light Brown
    Light Gray
  • Stem:
    Stem Color:
    Brown/Copper
    Gray/Silver
    Stem Is Aromatic:
    No