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QUERCUS x bushii 'Seattle Trident'
Commonly known as Oak
A magnificent foliage plant with pinkish new growth and glossy dark green leaves.
Full Plant Details - Sun/Soil & other attributes - Click to close
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Good to know
A selected hybrid of Q. marilandica and Q. velutina. Raised from seed in 1937. Scions sent to Hilliers, UK, in 1962 -
Pests & Diseases
Aphids, gall wasps, oak wilt, honey fungus, powdery mildew -
Place of origin
Garden origin. USA. Washington Park Arboretum, Seattle -
DeciduousVery large, trident-shaped leaves to 20cm (8in) long
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Woodland garden
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Fully hardy
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Lobed
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Height
12m (39ft) -
Spread
10m (33ft) -
TreeMedium-fast growing, branching tree. Prominently 3-lobed leaves turn bronze in autumn and are slow to fall
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Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Very hardy
Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F) -
Autumn Seasonal Interest
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Spring Seasonal Interest
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Neutral to acid soil
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Full sun
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Partial shade
Light, dappled shade -
harmful if eaten
(Can be harmful to pets if eaten) -
Rounded to broadly spreading
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Mature Size12m (39ft)
10m (33ft)
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Quercus - Care Guide
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