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Douglas Maple Acer glabrum

Phonetic Spelling
AY-ser GLAH-brum
Description

A deciduous shrub or small shade tree with smooth bark in the Aceraceae family.  Grows well in a woodland garden.  Prefers dappled shade, moist soils, and protection from the wind.  It is primarily grown for its ornamental red fruit and has interesting red twigs and stand out yellow-to-red fall color.  This is a relatively low maintenance tree, and should only be pruned in summer after the leaves have fully developed, as it may 'bleed' sap if pruned in late winter or early spring.   Works well for erosion control.
 

Seasons of Interest:

    Foliage:  Fall, yellow to red  Fruit: Late summer, red samara  Twigs: Winter, red

Site: Can withstand sandy, loamy, and heavy clay soils, prefers well-drained soil and needs lots of organic matter and a low pH (acid). It performs best in semi-shade (light woodland) to shade. It prefers moist soil. It will benefit from being planted in a location sheltered from strong winds, frost, and afternoon sun.

Insects, Diseases, and Other Plant Problems: No significant insect or disease problems.  Can show chlorosis of the leaves (yellowing) in alkaline (basic) soils.  Applying a layer of mulch around the root zone in summer and winter to conserve soil moisture and protect the roots in exposed locations or colder microclimates. 

Alternative plants: Acer rubrum

Cultivars / Varieties:
Tags:
#butterflies#deciduous#fall color#small tree#shade tree#songbirds#butteflies#wildlife plant#shade garden#cover plant#low maintenance#winter interest#fall interest#clay soil#rapid growth#playground#erosion control#small mammals#food source#samara#children's garden#red fruits#red stems#woodland#nesting sites#multitrunked#winter interst
 
Cultivars / Varieties:
Tags:
#butterflies#deciduous#fall color#small tree#shade tree#songbirds#butteflies#wildlife plant#shade garden#cover plant#low maintenance#winter interest#fall interest#clay soil#rapid growth#playground#erosion control#small mammals#food source#samara#children's garden#red fruits#red stems#woodland#nesting sites#multitrunked#winter interst
  • Attributes:
    Genus:
    Acer
    Species:
    glabrum
    Family:
    Sapindaceae
    Uses (Ethnobotany):
    It is primarily grown for its ornamental red fruit and has interesting red twigs and stand out yellow-to-red fall color.
    Recommended Propagation Strategy:
    Seed
    Wildlife Value:
    Food and shelter to wildlife
    Play Value:
    Attracts Pollinators
    Pieces Used in Games
    Wildlife Cover/Habitat
    Wildlife Food Source
    Wildlife Nesting
    Particularly Resistant To (Insects/Diseases/Other Problems):
    erosion
    Dimensions:
    Height: 12 ft. 0 in. - 40 ft. 0 in.
    Width: 20 ft. 0 in. - 30 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Native Plant
    Shrub
    Tree
    Leaf Characteristics:
    Deciduous
    Habit/Form:
    Erect
    Multi-trunked
    Rounded
    Spreading
    Growth Rate:
    Rapid
    Maintenance:
    Low
    Texture:
    Medium
  • Cultural Conditions:
    Light:
    Dappled Sunlight (Shade through upper canopy all day)
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    Clay
    High Organic Matter
    Loam (Silt)
    Sand
    Soil pH:
    Acid (<6.0)
    Soil Drainage:
    Good Drainage
    Moist
    Occasionally Dry
    Very Dry
    Usda Plant Hardiness Zone:
    3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
  • Fruit:
    Fruit Color:
    Brown/Copper
    Green
    Pink
    Red/Burgundy
    Display/Harvest Time:
    Fall
    Summer
    Fruit Type:
    Samara
    Fruit Description:
    Red winged samaras. This plant has green, insignificant flowers in April, which are pollinated by insects and followed by showy red winged samaras in late summer. Plant is dioecious.
  • Flowers:
    Flower Color:
    Green
    Flower Inflorescence:
    Insignificant
    Flower Bloom Time:
    Spring
    Flower Description:
    Green, insignificant flowers in April, which are pollinated by insects and followed by showy red winged samaras in late summer. The flowers are dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required).
  • Leaves:
    Leaf Characteristics:
    Deciduous
    Leaf Color:
    Gold/Yellow
    Green
    Pink
    Red/Burgundy
    Deciduous Leaf Fall Color:
    Gold/Yellow
    Red/Burgundy
    Leaf Margin:
    Lobed
    Hairs Present:
    No
    Leaf Description:
    Lobed leaves green most of the year turn yellow to brick red in the fall.
  • Bark:
    Bark Color:
    Dark Brown
    Dark Gray
    Light Brown
    Light Gray
    Surface/Attachment:
    Smooth
  • Stem:
    Stem Color:
    Red/Burgundy
    Stem Is Aromatic:
    No
    Stem Description:
    Twigs are red in winter.
  • Landscape:
    Landscape Location:
    Recreational Play Area
    Woodland
    Landscape Theme:
    Butterfly Garden
    Children's Garden
    Winter Garden
    Design Feature:
    Shade Tree
    Attracts:
    Butterflies
    Small Mammals
    Songbirds
    Resistance To Challenges:
    Diseases
    Erosion
    Insect Pests