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Acer rubrum

Red Maple

Pronunciation
A-ser RU-brum
Pronunciation Audio
Family
Genus
Nativity

Southeastern Canada and southern US; common in Southeastern PA.

Growth Habit

Pyramidal in youth, developing ascending branches and an irregularly rounded crown with age; 40'-60' (100') tall. Medium to fast growth rate.

Hardiness
3
Culture

Full sun to light shade in moist, acid soil. Tolerates poor drainage and many types of soil. Very adaptable plant.

Facultative Status
Facultative wetland
Landscape Use

Excellent specimen tree. Select cultivars for best fall color.

Foliage

Red when new:Opposite, simple 2-4 inch long; 3-5 lobes, lobes are irregularly toothed. New growth and petiole reddish. Leaves are often a lighter color on lower surj:Reddish orange fall color

Buds

Buds are silver-gray, smooth in youth. No fetid odor when crushed. (see A. saccharinum).

Bark

Black, ridged and furrowed with age; twigs are orange-brown.

Flower

Red, sometimes yellow tinged

Fruit

Red fruit matures to brown

Propagation

Seed, cuttings; some graft incompatibility.

Pests
Leaf Hopper
Cultivars

'Armstrong' - Fastigiate form. Fall color may be poor.

'Autumn Flame' - Good early red fall color.

'Columnare' - Narrow columnar or Pyramidal form. Good fall color.

'October Glory' - Bright-orange to red fall color in late fall.

'Red Sunset' - Orange to red fall color before 'October Glory.'

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