Small, deciduous, North American treeDescription: Smooth, slate grey bark is irregularly fluted, giving an overall appearance of flexed muscles; delicate branching habit Habit: Grows 20-35 feet high and wideCulture: Prefers deep, rich, moist, and slightly acidic soils; this highly adaptable tree occurs naturally in woodlands along rivers and streams, but can tolerate sunHardiness: Cold hardy to USDA Zone 3Origin: Eastern North America Attributes: Fall color Jefferson documented Also commonly known as American Hornbeam, Musclewood, and Blue Beech, this sturdy understory tree grows natively from Nova Scotia to Minnesota and south to Florida and Texas. Early New England settlers used the wood to make bowls and dishes that did not leak. Philadelphia nurseryman Bernard McMahon listed this native species in his 1806 American Gardener's Calendar and Jefferson directed the planting of "horn beams," along with a number of other trees at Monticello, circa 1808. The beech-like leaves, which turn deep scarlet and orange in the fall, and its zigzag branching habit make Ironwood a handsome specimen in the landscape.
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