Plant library · Shade Trees
Acer rubrum
Red Maple is a fast-growing native shade tree that brings a broad canopy, early-spring bloom, and brilliant red fall color to a long-lived garden framework. At about 60 feet tall and 40 feet wide, it needs a prominent, permanent position rather than a spare corner of a mixed bed. Its early flowers also add seasonal value for pollinators before the canopy fills out.
Use Red Maple as a canopy tree for a lawn, large border edge, or open area where its mature crown can shade a substantial part of the plan. Set it back from patios, vegetable beds, and smaller sun-loving plantings that could eventually fall beneath its canopy. Place paths so maintenance and leaf cleanup can be handled from the outside of the root zone instead of requiring repeated traffic close to the trunk.
Plant Red Maples 40 feet apart, center to center, when repeating them along a property edge or through a large landscape. That interval matches the expected 40-foot mature width, allowing each crown its own room rather than planning for overlap. On a smaller site, reserve the full canopy area on the drawing and keep structures, overhead lines, and future planting beds beyond its projected edge.
Give this tree a full-sun position and regular moisture, especially while it is establishing. It tolerates wet soils and is suited to moist, well-drained ground; acidic soil supports its strongest fall display. Use low groundcover or mulch beneath the developing canopy instead of relying on a densely planted herbaceous bed there.[1][2]
Early-spring flowers arrive before the foliage, giving the tree a brief fine-textured display at the start of the season. The broad summer canopy makes its shade a central design condition for neighboring beds. In fall, red foliage turns the tree into a major focal point, so leave open viewing space from key windows, paths, or seating areas.
Allow generous clearance from sidewalks, driveways, and other hardscape: surface roots can lift paving and can make mowing beneath the canopy awkward. Dense surface rooting can also make it difficult to sustain herbaceous plants directly underneath. Include an access route for structural pruning, since branch attachments may need early attention to reduce later breakage risk.[1][2]
Editorial content updated 2026-07-20.