The Amur cork tree is a deciduous shade tree native to the Amur River valley between Siberia and China, prized for its striking architectural form, attractive bark, and ability to thrive in harsh urban conditions. Growing 30 to 45 feet tall with a broad, rounded crown and graceful horizontal branching, it reaches hardiness zones 3 through 7 and tolerates drought once established, though it performs best with consistent moisture and full sun. This tree produces insignificant flowers in May and June, followed by fruit production on female trees when a male pollinator is present. Its compound foliage and corky bark create visual interest year-round, and it rarely encounters serious pest or disease problems.
Full Sun
Moderate
3-7
540in H x 720in W
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High
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Large, gracefully spreading lower branches on mature specimens at the Missouri Botanical Garden actually dip down to touch the ground, creating a naturally sculptural form that few trees achieve. The Amur cork tree tolerates urban air pollutants and established trees handle drought stress well, yet it still prefers consistently moist, well-drained soils rich in humus for optimal vigor. Its rounded, broad-spreading crown and distinctive bark make it as much a visual anchor for the landscape as it is a reliable performer in cold northern climates.
The Amur cork tree serves as a reliable shade tree for large landscapes and urban settings where hardiness, pollution tolerance, and low maintenance are valued. Its broad-spreading form and attractive foliage make it a strong choice for specimen planting or as a canopy tree in areas with cold winters and variable growing conditions.
No timeline data available yet for this variety.
The Amur cork tree naturally develops an attractive rounded, broad-spreading crown with gracefully low horizontal branching, so pruning is typically minimal. Remove any crossing branches or those that obstruct pathways, but avoid heavy pruning that would compromise the tree's distinctive architectural form. Any necessary pruning should occur during dormancy in late winter.
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“Indigenous to the moist soils of the Amur River valley, which forms the boundary between Siberia and China, the Amur cork tree has been cultivated far beyond its native habitat. It has become established enough in parts of the northeastern United States that it now freely reseeds in optimum growing conditions, though this success has led to somewhat aggressive naturalization in some native hardwood forest areas. The tree's journey from Asian riverside valleys to North American gardens reflects its reputation as a hardy, adaptable ornamental capable of thriving in climates where many other broad-spreading shade trees struggle.”