The Golden Wonder: All About Chamaecyparis Obtusa Aurea

Overview

Chamaecyparis Obtusa Aurea or Hinoki Cypress is a slow-growing coniferous tree native to Japan. It is known for its golden-yellow foliage, which makes it a popular choice among gardeners and landscapers.

Appearance

The Chamaecyparis Obtusa Aurea has a dense, pyramidal shape that can grow up to 50 feet tall and 20 feet wide. Its foliage is soft to the touch, with a golden-yellow color that fades to green in the shade. The bark is reddish-brown, with a fibrous texture.

Foliage

The foliage of the Chamaecyparis Obtusa Aurea is one of its most attractive features. The needles are scale-like, measuring about 1/16 inch long, and arranged in flat sprays. They have a feathery appearance, giving the tree a delicate, lacy look.

Color Changes

The golden-yellow color of the foliage is most intense in spring and fall, but fades to green in the summer months. This change in coloration adds interest and variety to the landscape and makes it an excellent choice for year-round interest.

Growth Rate

Chamaecyparis Obtusa Aurea is a slow-growing tree, typically growing only 6 to 12 inches per year. However, its growth rate can be increased by providing it with optimal growing conditions, such as well-drained soil, adequate water, and full sun exposure.

Optimal Growing Conditions

Chamaecyparis Obtusa Aurea is best grown in moist, well-drained soil with a pH range of 5.0 to 6.5. It prefers full sun exposure but can also tolerate partial shade. It is also important to provide adequate water during the growing season and avoid drought stress.

Uses

Chamaecyparis Obtusa Aurea is a versatile tree that can be used in a variety of ways in the landscape. Here are some common uses:

Hedges

The dense foliage of Chamaecyparis Obtusa Aurea makes it an excellent choice for hedges. Its slow growth rate means it requires less maintenance than other hedge plants, and its golden-yellow color adds interest and variety to the landscape.

Spacing

When using Chamaecyparis Obtusa Aurea as a hedge plant, it is important to space the trees properly. A spacing of 3 to 4 feet apart is ideal for a dense, uniform hedge.

Specimen Tree

Chamaecyparis Obtusa Aurea can also be used as a specimen tree, providing a focal point in the landscape. Its unique foliage and shape make it an attractive addition to any garden or yard.

Companion Planting

When planting Chamaecyparis Obtusa Aurea as a specimen tree, it is important to consider companion planting. Underplanting with low-growing shrubs or perennials can add interest and variety to the landscape.

Windbreaks

Chamaecyparis Obtusa Aurea can also be used as a windbreak, providing protection from strong winds. Its dense foliage and pyramidal shape make it an effective barrier against wind damage.

Spacing and Placement

When using Chamaecyparis Obtusa Aurea as a windbreak, it is important to space the trees properly and place them strategically. A spacing of 6 to 8 feet apart is ideal for a dense, effective windbreak.

Care

Chamaecyparis Obtusa Aurea requires minimal care but should be monitored regularly for pests and diseases. Here are some tips for caring for your Chamaecyparis Obtusa Aurea:

Watering

Chamaecyparis Obtusa Aurea should be watered regularly during the growing season, especially during periods of drought. It prefers moist, well-drained soil and can suffer from root rot if overwatered.

Soil Moisture Monitoring

To ensure proper soil moisture, it's best to check the soil moisture level frequently. You can do this by sticking your finger into the soil; if it feels dry, it's time to water.

Fertilization

Chamaecyparis Obtusa Aurea does not require regular fertilization. However, you can apply a slow-release fertilizer in the spring to promote growth.

Fertilizer Selection

When selecting a fertilizer, choose one with a low nitrogen content. Too much nitrogen can cause excessive growth and lead to weak branches.

Pest and Disease Control

Chamaecyparis Obtusa Aurea is susceptible to several pests and diseases, including spider mites, scale insects, and canker disease. Regular monitoring and prompt treatment can help prevent damage.

Treatment Methods

Treatment methods vary depending on the pest or disease. In some cases, pruning affected branches or using horticultural oils may be effective. In more severe cases, chemical treatments may be necessary.


Chamaecyparis Obtusa Aurea is a beautiful and versatile tree that can add interest and variety to any landscape. Its unique foliage, slow growth rate, and low maintenance requirements make it an excellent choice for hedges, specimen trees, or windbreaks.

FAQs

Q: How tall does Chamaecyparis Obtusa Aurea grow?

A: Chamaecyparis Obtusa Aurea can grow up to 50 feet tall and 20 feet wide.

Q: What is the growth rate of Chamaecyparis Obtusa Aurea?

A: Chamaecyparis Obtusa Aurea is a slow-growing tree, typically growing only 6 to 12 inches per year.

Q: Can Chamaecyparis Obtusa Aurea be used as a hedge plant?

A: Yes, Chamaecyparis Obtusa Aurea is an excellent choice for hedges due to its dense foliage and slow growth rate.

Q: Does Chamaecyparis Obtusa Aurea require regular fertilization?

A: No, Chamaecyparis Obtusa Aurea does not require regular fertilization. However, a slow-release fertilizer can be applied in the spring to promote growth.

Q: What pests and diseases are common in Chamaecyparis Obtusa Aurea?

A: Chamaecyparis Obtusa Aurea is susceptible to several pests and diseases, including spider mites, scale insects, and canker disease.