Cork Oak

Quercus suber

Quercus suber (Cork Oak) - full view

Full view

Quercus suber (Cork Oak) - leaves

Foliage detail

Quercus suber (Cork Oak) - bark

Bark detail

  • Size:

    Height: 30-60'; Spread: 30-60'

  • Growth:

    Moderate

  • Character:

    Evergreen; irregular, broad canopy.

  • Foliage:

    1.5-2" long dark green leaves with shallow-toothed margins.

  • Flower:

    Inconspicuous flowers in tassels in spring.

  • Fruit:

    3.75-1.25" acorns.

  • Bark:

    Very distinguished, up to 4" thick gray to brown bark with deep fissures.

  • Watering:

    In general, 15-20 gallons per week for the first 2 years; 15-20 gallons twice a month for the 3rd year; as needed after 3 years (varies by soil, sun, and wind conditions).

  • Tree Care:

    Moderate. Early pruning needed to train a good shape; pruning needed less frequently with age.

  • Tolerance:

    Drought (once established), any soil, some shade, and medium winds.

  • Special Considerations:

    Bark is susceptible to vandalism. May only grow medium spread and height, especially near coast. Coastal conditions will also negatively affect acorn production.

  • Notable Traits:

    Native to Mediterranean and northern Africa. Bark is very interesting and beautiful. Source of natural wine corks.