Slippery elm is a native North American deciduous tree that grows 40 to 60 feet tall (occasionally to 100 feet) across hardiness zones 3 through 9, earning its common name from the distinctive slimy red inner bark that becomes particularly noticeable in winter. This medium-sized tree develops a vase-shaped to broad-rounded crown and thrives in full sun with moderate moisture, adapting remarkably well to both wet and dry conditions as well as urban environments. Its downy twigs and distinctive red-hairy buds make it recognizable even in the dormant season, while its coarse texture and native range from southern Ontario through the eastern and central United States give it deep regional significance.
Full Sun
Moderate
3-9
720in H x 600in W
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Moderate
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The slimy red inner bark is your first clue to what makes this elm special, the Latin name 'rubra' literally means red, and in winter you'll see those distinctive red-hairy buds that signal the tree's hardiness and vigor. Unlike many ornamental trees that demand fussy conditions, slippery elm genuinely thrives on neglect, handling drought, urban pollution, and poor soils with quiet resilience. Its native status across much of eastern North America means it's perfectly adapted to regional climates and supports local ecosystems without complaint.
Slippery elm functions well in rain gardens and urban landscapes where its tolerance for poor conditions and ability to stabilize moist sites make it valuable. Its native status and drought tolerance have made it increasingly important in ecological restoration projects and native plant gardens throughout its natural range.
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“Slippery elm is a native deciduous tree found naturally from southern Ontario southward through the eastern and central United States, particularly in dry upland areas and rocky woods. Its long history in North America and widespread natural distribution make it a foundational species in eastern forests rather than a cultivated variety with a specific breeding story. The tree's indigenous range and ecological importance have made it a staple of native plant restoration and urban forestry for generations.”