How to Care for Cryptomeria japonica (Japanese cedar)

Korean name: 삼나무

The Japanese cedar is a tall conifer with soft, dark green needle-like leaves. It has a distinct conical shape and remains evergreen throughout all seasons. It is cold-hardy and suitable as a garden tree in southern regions.

Key facts

• Category: Garden tree & shrub
• Difficulty: Moderate
• Where to keep: outdoors
• Native to: Japan and southern Korea
• Growth rate: Moderate
• Pets: Mildly toxic, so keep pets from chewing on it.
• Traits: cold-hardy, garden tree, conifer, evergreen
• Also known as: Japanese cedar, sugi

Care Guide

• Light: Prefers partial shade with good sunlight.
• Watering: Water thoroughly when the soil feels slightly dry.
• Soil: Prefers well-drained soil.
• Humidity: Maintain normal humidity levels.
• Temperature: 5~30°C
• Fertilizer: Apply balanced fertilizer in spring and autumn.

Common questions

How often should you water Cryptomeria japonica?

Water thoroughly when the soil feels slightly dry. Roughly every 7 days is the baseline; adjust for the season and the spot it sits in.

Where should you keep Cryptomeria japonica?

It likes Prefers partial shade with good sunlight.. You can grow it outdoors. Use Prefers well-drained soil..

Is Cryptomeria japonica safe around pets?

Mildly toxic, so keep pets from chewing on it.

Is Cryptomeria japonica good for beginners?

Difficulty: Moderate. Keep it around 5~30°C. Humidity: Maintain normal humidity levels.. Fertilise Apply balanced fertilizer in spring and autumn..