American Sycamore
Platanus occidentalis · Deciduous Broadleaf Hardwood
Plant Family
Platanaceae
Tree Category
Shade Tree / Forest Tree
Variety / Cultivar
Standard species native type
Hardiness Zones
USDA Zones 4 through 9
About This Tree
Large, fast-growing deciduous tree with a massive trunk, open spreading crown, and distinctive mottled exfoliating bark
Leaf Characteristics
Alternate, simple leaves with 3 to 5 distinct lobes, coarsely toothed margins, light green turning yellow-brown in fall, 4 to 9 inches across
Bark Characteristics
Smooth, grayish-white bark that exfoliates in thin plates or flakes to reveal inner green, white, and tan patches
Growing Information
Origin Region
Eastern and central North America
Growing Season
Spring leafing, inconspicuous flowers in spring, spherical fruiting balls in autumn, winter dormancy
Sunlight & Water Needs
Full sun, high water requirements, thrives in moist soils along streams and floodplains, moderate drought tolerance once established
Mature Size
Height of 75 to 100 feet, spread of 75 to 100 feet, fast growth rate, long lifespan exceeding 250 years
Special Characteristics
Highly tolerant of urban pollution, soil compaction, and wet sites; excellent timber value and distinctive ornamental bark
Wildlife & Ecology
Provides nesting sites and cover for various birds and mammals; seeds consumed by finches and other wildlife