General Plant Information (Edit)
Plant Habit: Tree
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Wet Mesic
Dry Mesic
Soil pH Preferences: Strongly acid (5.1 – 5.5)
Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Minimum cold hardiness: Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F)
Maximum recommended zone: Zone 10a
Plant Height: 50 feet (15 m)
Leaves: Evergreen
Fruiting Time: Fall
Flowers: Inconspicuous
Flower Color: Yellow
Bloom Size: Under 1"
Flower Time: Spring
Underground structures: Taproot
Suitable Locations: Xeriscapic
Uses: Provides winter interest
Dynamic Accumulator: K (Potassium)
Pollinators: Wind
Miscellaneous: Tolerates poor soil

Common names
  • Cork Oak
  • Oak

  • Posted by Baja_Costero (Baja California - Zone 11b) on Jul 19, 2018 12:02 PM concerning plant:
    Mediterranean native tree whose bark is used to make corks for bottles, as well as for other uses like mats, etc. The bark is rough and fissured and very distinctive looking.

    Cork is a renewable resource. The trees are not killed when the bark is harvested, and in fact just grow more. This is considered a soil forming species and it may provide an important ecological niche for animals across its range in southern Europe and northern Africa.

    Half of the cork produced in the world comes from Portugal, where cutting down cork oaks is generally prohibited except for forest management.
Plant Events from our members
AndreA33 On November 17, 2016 Seeds sown
16 acorns sown in potting mix (sand-peat moss-clay)
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