Acer rubrum
Red maple · also Swamp maple, Water maple, Soft maple
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Acer rubrum, also known as red maple, is a common deciduous tree native to eastern and central North America, recognized for its brilliant scarlet fall foliage. It is highly adaptable to a wide range of site conditions, including wet and dry soils, and tolerates smog, making it suitable for urban landscapes. While valuable as a shade tree and for small-scale syrup production, it can be considered weedy in disturbed forests.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 19,9072.7%—10 in
- 19,6716.1%—5.1 in
- 12,0336.1%—13 in
- 9,7475.3%—7.0 in
- 8,9635.7%7.3 yr3.5 in
- 7,9241.1%—3.9 in
- 7,52710.1%—4.7 in
- 6,3605.4%—6.0 in
- 5,9342.2%—5.1 in
- 3,8804.6%—5.9 in
- 3,1390.94%9.9 yr3.9 in
- 3,1301.0%—9.0 in
- 1,7512.3%—4.3 in
- 1,55913.4%—12 in
- 1,2250.11%—2.0 in
- 1,1943.4%—9.8 in
- 1,0132.2%—4.3 in
- 8030.60%9.8 yr3.0 in
- 7836.6%—13 in
- 6140.14%15 yr5.1 in
- 5930.21%22 yr5.9 in
- 4871.1%—2.0 in
- 4192.7%17 yr8.7 in
- 4111.7%—3.9 in
- 3720.08%6.2 yr2.4 in
- 3010.13%—11 in
- 2230.30%7.8 yr2.0 in
- 870.19%7.8 yr2.0 in
- 290.01%—1.6 in
- 290.01%—4.4 in
- 170.03%13 yr—
- 150.00%35 yr7.5 in
- 120.00%—2.4 in
- 60.00%—1.9 in
- 30.00%—6.7 in
Traits
- Form
- Broadleaf
- Foliage
- Deciduous
- Mature height
- 50–60 ft
- Canopy spread
- 40 ft
- Growth rate
- Fast
- Drought tolerance
- Moderate
- Blooms
- Mar, Apr, May
Trunk diameters across every city: median 7.0 in, mean 8.8 in, 90th percentile 18 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- East Central Texas forests
- Mississippi lowland forests
- New England-Acadian forests
Other Acer in the catalogue
50 of the top 2,000 species are in this genus.
