Articles

Rain Garden Plants: Red Maple

An informative guide on red maple (Acer rubrum), detailing its general characteristics, preferred site conditions, and role in supporting wildlife and insects.
Updated:
June 25, 2026

Red Maple (Acer rubrum) is a medium-sized, deciduous broadleaf shade tree with a large, rounded crown. It prefers slightly acidic to neutral soil pH but has a wide tolerance for different soil types and climate factors. Leaves are palmate and lobed, with toothed/serrated leaf edges, and are often smaller than leaves of other maple species. The tree's vivid orange-to-red fall color makes it a desirable choice for ornamental landscapes. Bark is typically light gray and smooth on younger trees and may become darker, rougher, and platy on older trees. Seeds are red double samaras. This tree is tolerant of heat and cold but not tolerant of drought conditions. It attracts birds and serves as a host plant for butterflies and moths (Lepidoptera). It is not resistant to deer browsing.

  • Height: 40 to 70 inches
  • Bloom color: Pink/red
  • Bloom time: Early spring
  • Hardiness zone: 3 to 9
  • Salt tolerance: Low
  • Spreading habit: Seeds
Cluster of red maple flowers on a branch
Flowers. Photo by Jodi Sulpizio, Penn State Extension

Site Conditions

  • Sun: Full sun/partial shade
  • Soil: Well-drained
  • Hydrologic zones: Medium to wet
Red maple leaf and samara (fruit/seed)
Red maple leaf and fruit. Photo by Mike Masiuk, Penn State Extension
Newly emerged leaves of a red maple
Newly emerged leaves. Photo by Jodi Sulpizio, Penn State Extension
Bark of a mature red maple tree
Bark. Photo by Vincent Sulpizio
Red maple tree
Form. Photo by Jodi Sulpizio, Penn State Extension

Sources

Ladybird Johnson Wildflower Center

North Carolina Extension

University of Maine Extension

Prepared by Beth Yount, Jessica Chou, Constance Schmotzer, and Jodi Sulpizio.

Finalized by Jodi Sulpizio

For a printable PDF version of this article, contact Jodi Sulpizio at jrb143@psu.edu.