Bongdong oak

Quercus × pongtungensis

The Pongdong oak (Quercus × pongtungensis) is a species of oak native to Korea. Information regarding the tree's morphology and physiological characteristics is provided below.

Growth Characteristics
- Height and Diameter: Pongdong oaks typically grow to over 20 meters in height, with a diameter reaching up to 60 cm.
- Tree Shape: As they grow, they form a broad, rounded crown.
- Leaves: The leaves are simple and arranged alternately; they turn golden to reddish-brown in the autumn.

Propagation Methods
- Seed Propagation: Primarily propagated via acorns. Mature acorns are harvested in the autumn and sown in the spring.
- Grafting and Cutting Propagation: Less common, but can be used to maintain specific varieties.

Cultivation Methods
- Soil: Grows well in well-drained soil with adequate nutrients.
- Watering: Sufficient watering is required during initial establishment, but special watering is not necessary once the tree matures. - Sunlight: It prefers sunny locations but can grow in partial shade.

Uses in Gardens
- Decorative Value: It is popular as a garden or park tree due to its beautiful autumn foliage and tree shape.
- Ecological Benefits: It is ecologically beneficial as it provides habitats for various birds and animals.

Important Pests and Control Methods
- Diseases: Anthracnose and root rot may occur; to prevent this, it is important to create an environment with good drainage and ventilation.
- Pests: Pests such as oak leaf beetles may occur; appropriate pesticide use and proper management are necessary for pest control.

Although infection by various pests is rare, environmental factors are the cause of these problems; therefore, these issues can be effectively prevented through periodic inspections and proper management.

Plant Family	Oak family
Height	10~30m
Colors	yellow
Bloom Period	April~May
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-40°C

oak tree
Quercus × mccormickii

Korean oak
Quercus × urticaefolia