Quercus acutissima

Quercus aliena

Quercus aliena is a medium to large deciduous tree primarily distributed in East Asia. The following information covers the growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and control methods for Quercus aliena.

Growth Characteristics:
- It typically reaches a height of 15 to 25 meters, and the tree can grow to a diameter of over 1 meter.
- The leaves are thick, long oval-shaped, and serrated at the edges.
- The wood is hard and heavy, making it suitable for use in various wood products.

Propagation Methods:
- Propagation is primarily achieved through seeds.
- Seeds mature in the autumn; fallen seeds are collected and sown the following spring.

Cultivation Methods:
- It thrives in sunny locations.
- It prefers well-drained soil, with slightly acidic to neutral soil being suitable.
- Care must be taken with weed removal and watering in the early stages. - Once mature, it can withstand relatively dry environments.

Uses in Gardens:
- It is suitable as a shade tree in large gardens or parks.
- It is easy to maintain and is widely planted for landscaping purposes.

Major Pests and Control Methods:
- The main disease is leaf blight; fungicides should be used to manage this when necessary.
- The main pest that plagues the Korean oak is the alder beetle; it is important to inspect the tree frequently and control it.
- Using appropriate insecticides preventively in early spring can reduce pest infestations.

The Korean oak (Aliena) requires a large space, so it must be planted and cared for in an appropriate location. Regular inspection and care can help promote healthy growth.

Plant Family	Oak family
Height	25m
Colors	green
Bloom Period	May
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

American white oak
Quercus alba

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Quercus borealia