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Burncoose Nurseries - part of the Caerhays Estate
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  • QUERCUS x bushii 'Seattle Trident'
    QUERCUS x bushii 'Seattle Trident'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
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    QUERCUS x bushii 'Seattle Trident' QUERCUS x bushii 'Seattle Trident' QUERCUS x bushii 'Seattle Trident' QUERCUS x bushii 'Seattle Trident' CASTANEA sativa and QUERCUS
© Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    QUERCUS x bushii 'Seattle Trident'

    Commonly known as Oak

    A magnificent foliage plant with pinkish new growth and glossy dark green leaves.
    Grafted
    plant size comparison icon
    2 to 3 Litre   - Click to view photo
    Delivery Information
    Unavailable
    £40.00 each 
    Unavailable -
     
    Full Plant Details - Sun/Soil & other attributes
    • Good to know
      A selected hybrid of Q. marilandica and Q. velutina. Raised from seed in 1937. Scions sent to Hilliers, UK, in 1962. Grafted plants.
    • Pests & Diseases
      Aphids, gall wasps, oak wilt, honey fungus, powdery mildew
    • Place of origin
      Garden origin. USA. Washington Park Arboretum, Seattle
    • Deciduous
      Very large, trident-shaped leaves to 20cm (8in) long
    • Woodland garden
    • Fully hardy
    • Lobed
    • Height
      12m (39ft)
    • Spread
      10m (33ft)
    • Tree
      Medium-fast growing, branching tree. Prominently 3-lobed leaves turn bronze in autumn and are slow to fall
    • 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.

    • 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
    • Spring Seasonal Interest
    • Neutral to acid soil
    • Full sun
    • Partial shade
      Light, dappled shade
    • harmful if eaten
      (Can be harmful to pets if eaten)
    • Rounded to broadly spreading
    • Mature Size
      12m (39ft)
      tree - guide for size not form Average Person
        10m (33ft)
       
    View Planting Tips and Care Advice
    View Planting Combinations

    Useful extras...

    Vermin & Pest Control
    This is a non-biological non-chemical plant insecticide and mildewcide. Works against the physical motion of the insect. Perfect for all plants and edible crops.
    500 ml
    £8.00
    Fertilisers & Feeds - Empathy
    Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
    Small - 60g sachet
    £3.00
    Medium - 150gm sachet
    £6.00
    Large - 360gram sachet
    £12.00
    Unavailable
    Fertilisers & Feeds - Empathy
    AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
    1ltr
    £8.50
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