Fagus crenata
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Fagus crenata

Japanese beech · Siebold's Beech

Tier 2 Difficulty: easy Water: low Light: partial_sun
Temperature
5–32 °C
Soil pH
6–7
Hardiness
Zone 5–7
Click count
142
Observations
12

Description

Source: leafsnap

Fagus crenata, known as the Siebold's beech, Japanese beech, or buna, is a deciduous tree of the beech genus, Fagus, of the family Fagaceae.

Care Guide

💧 Water

The Japanese beech is native to Japan's moist, temperate forests and thrives in consistently damp soil. Once established, it can withstand moderate drought and needs watering every 1-2 weeks. When grown outdoors, it requires careful watering during its active growing season to maintain its lush foliage.

☀️ Light Partial sun

Japanese beech naturally occurs in places like forest understories and rocky sites, where it grows in natural shade. It prefers partial sun but can tolerate full sun or complete shade, showing its hardy, adaptable nature.

Ideal: Partial sun
🌡️ Temperature 5–32.2°C

Japanese beech is highly adaptable to a variety of climate conditions, from blazing summers to freezing winters. Nevertheless, it has a preferred temperature range for growth. If temperatures rise excessively, the plant is vulnerable to heat and humidity stress, which can cause it to die. In locations where temperatures approach the lower limit of its cold tolerance, providing insulation to protect the plant is important.

Ideal temperature: 5–32.2°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer

Fertilize your Japanese beech in early spring to encourage healthy growth. Regular feeding boosts the tree’s overall health, leading to vigorous growth, better resilience to harsh conditions, and increased resistance to diseases and pests. Follow a consistent fertilization schedule for your Japanese beech to keep the foliage vibrant, richly colored, and lush in appearance.

🪴 Pot & Repot
✂️ Pruning

The Japanese beech is known for its smooth gray bark and shiny green leaves. Pruning in early spring can help remove dead wood, shape the plant, and encourage healthy growth. Light thinning is recommended to improve air circulation. However, avoid heavy pruning, as it can stress the plant. Always use sanitized tools to ensure the plant remains healthy.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree
Life Cycle
Perennial
Genus
Fagus
Family
Fagaceae
Hardiness Zone
5-7
Mature Height
20.12 m to 35.05 m
Mature Spread
14.94 m to 24.99 m
Leaf Color
Dark Green, Forest Green
Leaf Type
Deciduous
Flower Size
0.51 cm to 1.02 cm
Bloom Time
Mid spring, Late spring
Planting Time
Spring, Summer
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Japan

Tags (5)

Common Names (2)

en Japanese beech
en Siebold's Beech