Gold and white 'Columnaris'

Chamaecyparis lawsoniana 'Columnaris'

Chamaecyparis lawsoniana 'Columnaris' is a popular conifer known for its beautiful cylindrical shape and bluish leaf color.

Growth Characteristics- Growth Form: It grows upright, forming a narrow, long cylindrical shape.
- Height: Mature trees can reach approximately 10–15 meters in height and about 2–3 meters in width.
- Leaf Color: It has bluish-green, scale-like leaves that may take on a slight purplish tint in winter.
- Growth Rate: It grows at a moderate rate.

Propagation Methods- Seed Propagation: Mature seeds are collected and sown in the autumn, but propagation can be difficult due to low germination rates.
- Cutting Propagation: It can be propagated by taking semi-hardwood cuttings in the summer. This method is commonly used due to its high success rate.

Cultivation Methods- Soil: It thrives in fertile, well-drained soil. It can tolerate a wide pH range from acidic to neutral soils.
- Sunlight: It thrives in full sun but can adapt to partial shade.
- Watering: It is susceptible to dryness, so proper moisture supply is important. Watering should be done consistently, especially during the summer.
- Pruning: Regular pruning is not necessary, but light pruning can be performed to maintain the desired shape.

Garden Uses
- Landscape Tree: Due to its narrow, fast-growing characteristics, it is widely used for hedges or screens.
- Premium Garden Tree: It is highly popular as an ornamental plant due to its minimal shade requirements and beautiful turquoise leaf color.

Important Pests and Control Methods
- Diseases: Fusarium and Phytophthora diseases can occur through the roots. These can be prevented by growing in a well-drained environment.
- Pests: Leaf beetles or aphids may occur; these can be managed by applying pesticides in a timely manner. - Control Methods: Maintain proper ventilation and airflow, and manage pests and diseases through effective chemical control when they occur. In particular, natural insecticides can be used in organic farming methods.

The Golden White 'Columnaris' grows beautifully under proper care and is a beautiful conifer that can be utilized effectively in various environments.

Plant Family	Cupress family
Height	1.2m
Spread	2.5m
Bloom Period	april
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-20°C

Gold and White 'Ellwoods Empire'
Chamaecyparis lawsoniana 'Ellwood's Empire'

Gold and white 'AlumiGold'
Chamaecyparis lawsoniana 'Alumigold'