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Plant Profile

Quercus suber (Cork Oak)

Cork oak is a medium size evergreen oak. It got its name from the cork production as it is produced from the bark of the tree.Trees are commercially grown in plantations in several European and African countries, most notably in Portugal and being harvested/ stripped  when they reached 30-40 yeas.  Other than the commercial value the tree is very attractive as an ornamental. It has a leather toothed shine leaves and thick deeply fissured corky bark. At fall it produces acorns. Can be used in urban condition as a  specimens. Avoid using it as a street trees due to the surface rooting potential. 

  • Landscape Information
  • Botanical Description
  • Horticulture Management
  • By Georges Jansoone (own photo; Alentejo, Portugal) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons
  • By Xemenendura (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By User:Xemenendura (Own work) [CC BY-SA 2.1 es (http://creativecommons.org/licenses/by-sa/2.1/es/deed.en)], via Wikimedia Commons
  • By Claus Ableiter (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/2.5-2.0-1.0)], via Wikimedia Commons
  • By LPLT (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons
By Georges Jansoone (own photo; Alentejo, Portugal) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons

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  • French Name: Chêne liège

    Pronunciation: KWER-kus SOO-ber

  • Plant type: Tree

  • Origin: Southern Europe, Mediterranean, Northern Africa

  • Heat Zones: 3 to 12

    Hardiness Zones: 7 to 9

  • Uses: Specimen, Shade, Pollution Tolerant / Urban

  • Size/Shape

    Growth Rate: Fast

    Tree Shape: Spreading, Upright

    Canopy Symmetry: Symmetrical

    Canopy Density: Medium

    Canopy Texture: Fine

    Height at Maturity: 15 to 23 m

    Spread at Maturity: 10 to 15 meters

    Time to Ultimate Height: 20 to 50 Years

  • By Georges Jansoone (own photo; Alentejo, Portugal) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons
  • By Xemenendura (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By User:Xemenendura (Own work) [CC BY-SA 2.1 es (http://creativecommons.org/licenses/by-sa/2.1/es/deed.en)], via Wikimedia Commons
  • By Claus Ableiter (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/2.5-2.0-1.0)], via Wikimedia Commons
  • By LPLT (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons
By Georges Jansoone (own photo; Alentejo, Portugal) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons

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  • Foliage

    Leaf Arrangement : Alternate

    Leaf Venation: Pinnate

    Leaf Persistance: Evergreen

    Leaf Type: Simple

    Leaf Blade: 5 - 10 cm

    Leaf Shape: Obovate

    Leaf Margins: Serrulate

    Leaf Texture: Leathery, Coarse

    Leaf Scent: No Fragance

    Color(growing season): Green

    Color(changing season): Green

  • Flower

    Flower Showiness: No

    Flower Size Range: 3 - 7

    Flower Type: Catkin

    Flower Sexuality: Monoecious (Bisexual)

    Flower Scent: No Fragance

    Flower Color: Yellow

    Seasons: Spring

  • Trunk

    Trunk has Crownshaft: No

    Trunk Susceptibility to Breakage: Generally resists breakage

    Number of Trunks: Single Trunk

    Trunk esthetic Values: Showy, Rough Texture, Fissured

  • Fruit

    Fruit Type: Acorn

    Fruit Showiness: Yes

    Fruit Size Range: 1.5 - 3

    Fruit Color: Brown

    Seasons: Spring

  • By Georges Jansoone (own photo; Alentejo, Portugal) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons
  • By Xemenendura (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
  • By User:Xemenendura (Own work) [CC BY-SA 2.1 es (http://creativecommons.org/licenses/by-sa/2.1/es/deed.en)], via Wikimedia Commons
  • By Claus Ableiter (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5-2.0-1.0 (http://creativecommons.org/licenses/by-sa/2.5-2.0-1.0)], via Wikimedia Commons
  • By LPLT (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons
By Georges Jansoone (own photo; Alentejo, Portugal) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY 2.5 (http://creativecommons.org/licenses/by/2.5)], via Wikimedia Commons

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  • Tolerance

    Frost Tolerant: Yes

    Heat Tolerance: Yes

    Drought Tolerance: Yes

    Salt Tolerance: Good

  • Requirements

    Soil Requirements: Clay, Loam, Sand

    Soil Ph Requirements: Acidic, Neutral, Alkaline

    Water Requirements: Low

    Light Requirements: Full, Part

  • Management

    Toxicity: No

    Invasive Potential: No

    Susceptibility to Pests and Diseases: Yes

    Pruning Requirements: Little needed, to develop a strong structure

    Fruit/ Leaves/ Flowers litter: No

    Surface Rooting: Yes

    Life Span: More than 50

    Diseases: Powdery Mildew, Leaf Spots, Blights, Wilts, Root rot, Antracnose

    Edible Parts: None

    Pests: Caterpillars, Scales, Leaf Miner, Borers

    Plant Propagation: Seed, Cutting

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