Acer rubrum – Red Maple (eastern North America)
Habit: Small to medium-size tree, 7-12 (15) m tall, 4-7 m wide; also a large shrub; loose habit, crown asymmetrical, conical to broadly ovoid; lower branches overhanging, upper ones rising; initially fast-growing, some 40-60 cm, later clearly more slow-growing.
Flowers: Before leaves shoot, decorative red flowers, plentiful; March to April; slight fragrance of honey.
Fruits: Before or while leaves shoot, conspicuous red; decorative.
Leaves: Three to five-lobed, bronze while leaves shoot, later fresh green to pale green, bluish green underneath; majestic early autumn colours, end of August to September; flame-red, but also only yellow or orange, not all twigs turn at once.
Roots: Shallow roots, especially on moist locations; sensitive to pavements and soil compaction.
Demands: Sun to light shade; frost hardy, sensitive to late frost when young, not tolerant of heat, avoids droughts; wind resistant.
Soil: Fresh to moist, tolerates floods; good on nutritious, acidic sand or loam; sensitive to chalk.
Note: The incomparable autumn colours are only produced in full sunlight on acidic to neutral soil.
Hardiness: Zone 4