Quercus nigra
Water oak, North American barren oak, North American black oak, Possum oak, Quercus microcarya, Quercus nigra var. heterophylla, Spotted oak, Punk oak, Duck oak
Quercus Quercus
Q. nigra - 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.
Quercus nigra is: Deciduous
Broadly conical
Acorns are edible only after tannins are leached or boiled out.
Yellow-green in Spring
Dark-green in Spring; Dark-green in Summer; Scarlet, Reddish-brown in Autumn
Also: Knopper gall wasps
Aphids , Oak gall wasps Aphids , Oak gall wasps
Also suffers from oak wilt in North America only.
Oak wilt , Powdery mildew Oak wilt , Powdery mildew
Pruning group 1
Grafting, Seed
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Quercus nigra (Water oak) will reach a height of 25m and a spread of 18m after 50-100 years.
Architectural, Low Maintenance, Specimen tree
Best grown in deep, fertile, moist or moist but well-drained, acid soil in full sun. Tends to be short-lived.
Clay, Loamy, Sandy
Moist but well-drained, Moisture-retentive
Acid, Neutral
Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Quercus nigra
Water oak, North American barren oak, North American black oak, Possum oak, Quercus microcarya, Quercus nigra var. heterophylla, Spotted oak, Punk oak, Duck oak
Quercus Quercus
Q. nigra - 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.
Southeastern United States
Deciduous
Broadly conical
Acorns are edible only after tannins are leached or boiled out.
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Yellow-green in Spring
Dark-green in Spring; Dark-green in Summer; Scarlet, Reddish-brown in Autumn
Also: Knopper gall wasps
Also suffers from oak wilt in North America only.
Pruning group 1
Grafting, Seed
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Quercus nigra (Water oak) will reach a height of 25m and a spread of 18m after 50-100 years.
Architectural, Low Maintenance, Specimen tree
Best grown in deep, fertile, moist or moist but well-drained, acid soil in full sun. Tends to be short-lived.
Clay, Loamy, Sandy
Moist but well-drained, Moisture-retentive
Acid, Neutral
Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6
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This plant likes... | Garden match | |
Soil types: | Clay, Loamy, Sandy | Tell us... |
Soil drainage: | Moist but well-drained, Moisture-retentive | Tell us... |
Soil pH: | Acid, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | North, South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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