![]() Only male flowers are observed in spring, hence no seeds are formed (i.e., seedless). ![]() ‘Autumn Spire’ - shows early fall color which progresses from deep-purple red to bright red.McGill & Sons nursery, Fairview, Oregon (PP 2377).Īutumn Radiance® - oval to rounded, to 40 ft (12 m), orange-red to red fall color, colors early, as much as 2 weeks before Red Sunset® (Jacobson, 1996) Hardy to USDA Zone 3b Introduced in about 1964 by A. Many selections available, some of the more common ones include:Īutumn Flame® - dense rounded spreading branches, 35 × 35 ft (10 × 10 m), male, medium green foliage, bright red fall color, one of the earliest to color. Part of its range overlaps with that of Acer saccharinum, Silver Maple, with which it hybridizes, intermediate forms often occur. Hardy to USDA Zone 4 (some selections Zone 3) Large native range, from Newfoundland to Florida west to Minnesota, Oklahoma, Texas. It may not be particularly urban tolerant and has a tendency to produce surface roots. Sun, very tolerant of soils, but prefers slightly acid and moist conditions (occurs naturally in low, wet areas, hence one of its common names, Swamp Maple). In winter, tree shows long shoots with many short shoots. Fruit, a samara, wings 12-15 mm long, about a 60° between them, shed by early summer. Flowers red (source of "red maple" name), small petals and sepals, appear before leaves, one of the first maples to bloom in spring or late winter, male (pollen) flowers and female (seed) flowers often on different branches of the same tree, young trees may have only one type of flowers. (Compare to other common landscape maples.) Fall leaf color may vary from green-yellow, yellow, to brilliant red, one of the first trees to color. Leaves opposite, simple, 5-10(13) cm long and wide, usually with 3 serrated lobes, but sometimes 5, base rounded or subcordate, medium to dark green above, silvery below and usually pubescent on veins. Bark is smooth, light gray on young trees, developing to dark gray, rough, and furrowed on older trees. The variety of drummondii is ideal for zone 8.Broadleaf deciduous tree, 60-75(100) ft, develops ascending branches, irregular, ovoid or rounded crown. Varieties are available for zones 3 through 9. ‘Tilford’: A globe-shaped cultivar that grows up to 40 ft.Beautiful red to purple-red fall foliage that holds its color for as much as a month. ‘Schlesinger’: A very large cultivar, rapidly growing to 70 ft.Turns bright orange or red in fall, and grows well in zones 3 through 9. ‘Scanlon’: This is a variation of Bowhall, growing 40 to 50 ft.This tree can be grown zones 3 through 9. 'Red Sunset': This 50-ft.-tall tree is a good choice in the South. It has a brilliant red color, with a canopy 25 to 35 ft.This is another cultivar that can be used as a bonsai. It has above-average fall color and grows well in zones 4 through 8. 'October Glory': This cultivar grows 40 to 50 ft.tall when mature, this densely branched tree has a broad pyramidal shape. This is a cultivar that works well as a bonsai specimen. It grows best in acidic soil and is appropriate in zones 4 through 8. tall when mature, this cultivar has upright growth habit with a canopy 15 to 25 ft. tall cultivar with a round shape and above-average fall color. Glossy leaves turn a bright shade of red in fall. ![]() wide. It is somewhat prone to splitting branches due to tight crotches. 'Armstrong': A 50-ft. tall tree with an upright growth habit, almost columnar in shape.
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