Betula nigra 'Dura-Heat' (River birch 'Dura-Heat')
Other names: Betula nigra 'Bnmtf', Red birch 'Dura-Heat', Betula nigra 'Dura Heat'
'Dura-Heat' is a vigorous, conical to rounded, deciduous, often multi-stemmed tree with peeling, creamy-white to pale brown bark, glossy, diamond-shaped, dark green leaves turning yellow in autumn, and yellow-brown male flower catkins in early spring.
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9m max. spread |
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12m max. height |
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20-50 Years to maturity |
Other names: North American barren oak, North American black oak, Possum oak, Quercus microcarya, Quercus nigra var. heterophylla, Spotted oak, Punk oak, Duck oak
Q. nigra is a broadly conical to broadly rounded, deciduous to semi-evergreen tree with pendent lower branches, smooth, grey bark, and spoon-shaped to narrowly obovate, usually three-lobed, dark green leaves turning yellow in autumn. Yellow-green flower catkins in spring are followed by spherical acorns with woolly, scaly cups.
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18m max. spread |
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25m max. height |
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50-100 years to maturity |
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