Quercus x crenata

Quercus × crenata, also known as Quercus crenata or the Japanese oak, is a hybrid species originating from a cross between Quercus dentata and Quercus crispula. It's a deciduous tree renowned for its ornamental value and resilience, especially in challenging climates. 

Appearance:

• Size: Quercus × crenata typically grows to a height of 15-20 meters (50-65 feet) with a rounded crown.
• Leaves: The leaves are large, dark green, and deeply lobed with serrated edges, resembling those of its parent species. They turn yellow-brown in autumn before falling.
• Bark: The bark is dark brown and develops furrows and fissures with age, adding to the tree's character.
• Acorns: The tree produces acorns that are large and ovoid, often with a warty cap, maturing in two years.

Habitat and Range:

• Quercus × crenata is native to Japan and is commonly found in mixed deciduous forests, mountainsides, and urban landscapes.

Cultivation:

1. Location:

• Plant Quercus × crenata in a location that receives full sun to partial shade.
• Ensure good air circulation to prevent fungal diseases, especially in humid climates.

2. Soil:

• Provide well-drained, loamy soil with adequate organic matter content. Quercus × crenata prefers slightly acidic to neutral soils.
• Amend heavy clay soils with organic matter to improve drainage.

3. Watering:

• Water newly planted trees regularly, especially during dry periods, to promote root establishment.
• Once established, Japanese oak is moderately drought-tolerant but benefits from supplemental watering during extended dry spells.

4. Pruning:

• Prune Quercus × crenata to remove dead, diseased, or crossing branches. This is best done during the dormant season to minimize stress on the tree.

5. Fertilization:

• Apply a balanced fertilizer in early spring to encourage healthy growth. Avoid excessive nitrogen, which can stimulate excessive foliage growth at the expense of acorn production.

6. Pest and Disease Management:

• Japanese oak is generally resistant to pests and diseases. However, monitor for common issues such as oak wilt, powdery mildew, and aphid infestations.
• Treat any pest or disease problems promptly to prevent spreading to nearby trees.

7. Mulching:

• Apply a layer of mulch around the base of the tree to conserve moisture, suppress weed growth, and regulate soil temperature.
• Keep the mulch several inches away from the trunk to prevent moisture-related diseases.

Quercus × crenata, or Japanese oak, is a captivating tree species suitable for a variety of landscapes. With proper care and attention to its cultivation needs, you can enjoy the beauty and resilience of this unique oak hybrid in your garden or urban environment.

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.