QUERCUS marilandica

Commonly known as Blackjack oak

Slow growing tree with cracked bark and leaves which are yellowish underneath and turn yellow in autumn
Further Reading....
  • Deciduous
    Leaves, 5-18cm (2-7in) long and almost as wide end in 3 bristle-tipped lobes
  • Height
    12m (40ft)
  • Spread
    15m (50ft)
  • Tree
    Very rough, black-brown bark. Forms a low, spreading head of rugged branches. Ovoid acorns are solitary or in pairs about 2cm (¾in) long with the cup about two-thirds as long
  • Hardy - very cold winter
    Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)

QUERCUS marilandica

 
Gift Wrapping available on this plant - UK Delivery Only
£35.00 each 

 

  • Additional Features
    Pests & Diseases
    Aphids, gall wasps, oak wilt, honey fungus, powdery mildew, bracket fungi
    Place of origin
    South-eastern USA
  • Garden Location/Conditions
    Woodland garden
  • Hardiness
    Fully hardy
  • Leaf margin
    Lobed
    (see photos above)
  • Leaf shape
    Obovate
    (see photos above)
  • Pruning group
    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.

    RHS group 1
  • Seasonal Interest
    Autumn
    Summer
  • Soil Conditions
    Fertile well drained soil
    Neutral to acid soil
  • Toxic - Category C
    Harmful if eaten
    (Can be harmful to pets if eaten)
  • Tree Shape
    Rounded to broadly spreading
Quercus - Care Guide
Shrubs and Trees - Seeds - 1) Collecting Seeds
Shrubs and Trees - Seeds - 2) Storing Seeds
Shrubs and Trees - Seeds - 3) Planting Seeds
Trees - Care Guide
12m (40ft)
tree - guide for size not form Average Person
  15m (50ft)
 

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