cork oak

Quercus suber

The cork oak (Quercus suber) is an evergreen broad-leaved tree native to the Mediterranean region, cultivated for its cork. This tree holds significant commercial value primarily due to its thick and tough cork bark.

Growth Characteristics
- Environment: Cork oaks prefer a mild climate and thrive in regions where temperatures do not drop significantly during the winter.
- Soil: They grow well in well-drained, acidic, or neutral soils. It is best to avoid soils that are too dry or too wet.
- Growth Rate: As a relatively slow-growing tree, it takes a considerable amount of time to reach full maturity.
- Size: It grows to approximately 10 to 20 meters in height and forms a broad, rounded crown.

Propagation Methods
- It is primarily propagated by seeds. It is common practice to harvest seeds in the autumn and sow them the following spring. While germination rates are generally high, care is required during the early growth stages. Cultivation Methods
 - Sowing: Lightly cover the seeds with soil and plant in a neatly prepared area.
 - Watering: Regular watering is necessary during the early growth stage, but mature trees are drought-tolerant.
 - Fertilization: In generally fertile soil, additional fertilizer is not required; however, if necessary, it is recommended to apply organic fertilizers, such as well-rotted compost, sporadically.
 - Pruning: Pruning is performed as needed to shape the tree. Pruning is primarily done during the winter.

Uses in the Garden
- Cork oaks are used as landscape trees due to their attractive shape and thick bark.
- They can play a role in enhancing ecological diversity in the garden by providing shelter and shade.

Important Pests and Control Methods
- Diseases: Root rot and other diseases may occur; these can be prevented by creating an environment with good aeration and drainage.
- Pests: Acanthopanax sessiliflorus and beetles can cause damage. Use pesticides if necessary, but take care to minimize the impact on the ecosystem.

The Cork Oak (Schuber) is a tree of high value for both commercial and garden use. It can be kept healthy through proper care and protection.

Plant Type
Plant Family	Oak family
Height	12~25m
Spread	12~21m
Colors	yellow, green
Bloom Period	March to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-10°C

Oak hemisparica
Quercus hemisphaerica

Rubra oak
Quercus rubra