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Quercus garryana (Vancouver island)

Quercus garryana (Vancouver island)

Regular price €18,00 EUR
Regular price Sale price €18,00 EUR
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Product Description

Quercus garryana, commonly known as Oregon white oak or Garry oak, is a majestic native tree species found primarily in the Pacific Northwest region of North America. It holds significant ecological, cultural, and historical importance in the region. 

Appearance:

  • Size: Quercus garryana typically grows to a height of 15-25 meters (50-80 feet), occasionally reaching up to 30 meters (100 feet).
  • Leaves: The leaves are alternate, deciduous, and deeply lobed, with a glossy dark green upper surface and a lighter underside. They turn golden-yellow in autumn before falling.
  • Bark: The bark is dark grey and deeply furrowed, becoming increasingly rough and textured with age.
  • Acorns: The tree produces acorns that are oval-shaped, usually 2-4 cm (0.8-1.6 inches) long, and are an essential food source for various wildlife species.

Habitat and Range:

  • Quercus garryana is primarily found in the Pacific Northwest of North America, including regions of Oregon, Washington, British Columbia, and northern California.
  • It thrives in a variety of habitats, including dry prairies, savannas, woodlands, and open slopes, often growing alongside other native species.

Cultivation:

1. Location:
  • Plant Quercus garryana in a location that receives full sun to partial shade.
  • Ensure the site has well-drained soil, as Oregon white oak prefers sandy or loamy soils but can tolerate a range of soil types.
2. Soil:
  • Provide soil that is moderately fertile and well-draining. While Garry oak is adaptable to various soil types, it prefers slightly acidic to neutral soils.
  • Avoid planting in areas prone to waterlogging, as this can lead to root rot.
3. Watering:
  • Water newly planted trees regularly to help establish a strong root system. Once established, Oregon white oak is relatively drought-tolerant and may only require supplemental watering during extended dry periods.
4. Pruning:
  • Minimal pruning is typically required for Quercus garryana, mainly to remove dead, damaged, or crossing branches.
  • Prune during the dormant season to minimize stress on the tree.
5. Fertilization:
  • Oregon white oak usually does not require fertilization if planted in its native habitat. However, if soil fertility is poor, you can apply a balanced fertilizer in early spring.
6. Pest and Disease Management:
  • Quercus garryana is generally resistant to pests and diseases. However, monitor the tree for signs of oak wilt, powdery mildew, or insect infestations, and take appropriate measures if necessary.
7. Conservation Considerations:
  • Due to its ecological importance and declining populations in some areas, consider supporting conservation efforts for Quercus garryana by promoting habitat restoration and protecting existing stands of trees.

Quercus garryana, or Oregon white oak, is a magnificent tree species with cultural, ecological, and historical significance in the Pacific Northwest. By following these cultivation tips and considering conservation efforts, you can help preserve and appreciate the beauty and importance of this iconic native oak species.

IMPORTANT: Please be aware that picture 1 show adult plant not for sale, the offer is for a plant in the dimension indicated product description.

Please be aware that most plants change across seasons. For example, some of them will naturally lose leaves or change in colour during colder months. Do not hesitate to contact us for further informations about the plants of your interest.

Cultivation

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