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Red Maple
Acer rubrum
Fast-growing native tree with brilliant red fall color. One of the most widely planted trees in North America.
Quick Facts
Sun:☀️ Full Sun, ⛅ Partial Shade
Water:💧💧 Moderate
USDA Zones:Zones 3–9
Space:🏡 Large Garden
Soil:Loam, Clay, Silty, Peaty
Best Season(s):Spring, Fall
Experience Level:🌱 Beginner
Native Range:Eastern North America
Bloom Color:Small red flowers, valued mostly for fall foliage color
Bloom Cycle:Very early spring, before leaf-out
Care Notes
Adapts to most soils including wet areas. Minimal pruning needed. Roots can lift pavement over time.
Growing Details
Mature Size:40-60 ft tall, 30-50 ft wide
Growth Rate:🐇 Fast
Zone Performance
At the northern edge (Zone 3), red maple is fully cold-hardy but fall color develops later and can be cut short by an early hard freeze; at the southern edge (Zone 9), it needs consistently moist soil to avoid heat stress and tends to color less reliably in mild, extended-warm autumns. Wet-soil-tolerant swamp populations from the species' native range make it one of the most adaptable shade trees across this entire zone span.
Companions & Wildlife
🦌 Deer Resistance
occasionally damaged
Deer frequently browse young saplings and low branches, often necessitating tree guards for the first several years.
🐝 Pollinator Value
moderate
Among the earliest trees to bloom in spring, its small red flowers provide a critical early nectar and pollen source for native bees.
Good Companions
Fothergilla — Native shrub that shares moist, acidic soil preferences and complements the maple's fall color with its own orange-red foliage.
Sweetbay Magnolia — Tolerates the same wet-tolerant soil conditions red maple favors, useful in low or poorly drained landscape areas.
Winterberry Holly — Shares a tolerance for wet, acidic soils and provides red berry color once the maple's fall leaves have dropped.
Christmas Fern — Native groundcover that fills the dappled shade beneath the canopy without competing aggressively for moisture.
Troubleshooting
⚠️ Girdling roots restricting trunk growth
Inspect the root flare at planting and prune any roots circling the trunk; avoid piling mulch against the bark.
⚠️ Verticillium wilt (branch dieback)
Remove and destroy affected limbs, sterilize pruning tools between cuts, and keep the tree well-watered to reduce stress.
⚠️ Surface roots lifting sidewalks or lawns
Plant at least 10-15 ft from hardscape and avoid heavy soil compaction over the root zone.
⚠️ Pet Safety
Wilted/dried leaves are toxic to horses specifically (red blood cell damage); lower but present risk for cats and dogs chewing on leaves or bark.
Informational only — always check with a veterinarian if you suspect your pet has eaten something it shouldn't have.