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Home  > Tree Identification  > Red Maple Tree

Red Maple
Swamp Maple
Water Maple
Soft Maple

Acer rubrum

Red Maples and Silver Maples are commonly referred to as “soft maples”. The Red Maple is a medium to large-sized tree usually reaching 40 - 70 feet in height, but occasionally reaching heights of 100 feet or more. Open-grown specimens generally have a short trunk and dense crown.

Red Maples can be grown in a variety of soil conditions, but grows most rapidly in moist, loamy soils. The Red Maple is a commonly planted shade tree due to its tolerance of diverse site conditions, has few insect or disease pests, and its fall color. Fall color is usually red, but can also range from orange to yellow.

Soil pH should be checked before planting a Red Maple as they will develop chlorosis if planted in alkaline (high pH) soils.

Improved Red Maple cultivars will provide more consistent, and brilliant, fall color.

Common Red Maple cultivars:
* 'Armstrong'
* 'Autumn Flame'
* 'Bowhall'
* 'Columnare'
* 'Franksred' (Red Sunset®)
* 'Northwood' (Northwood®)
* 'October Glory' (October Glory®)



Red Maple characteristics:

Common insect pests of Red Maple: Inchworms; Leafhoppers.

Common disease pests of Red Maple: Tar Spot; Verticillium Wilt.

Fall foliage: Varies from greenish yellow to brilliant scarlet red.

Form: Pyramidal or elliptical when young, becoming rounded when mature.

Fruit: 1 inch long by inch wide samaras.

Growth Rate: Fast.

Leaves: 2 to 6 inches wide with three roughly triangular lobes.

Mature height: 40 - 70’.

Preferred Soil pH: 4.7 - 7.3.

Summer foliage: Green.

Tree Bark: Smooth ash-gray young bark gradually becomes gray-brown and scaly with age.

USDA Hardiness Zone: 3 - 9.


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