Castanopsis sieboldii — an easy houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Castanopsis sieboldii

Castanopsis Sieboldii

Updated · 14 observations
ON THIS PLANT

Castanopsis sieboldii is a species of flowering plant in the family Fagaceae. This evergreen tree is sometime referred to by the common names Itajii chinkapin or Itajii. It is native to Japan, including the Ryukyu Islands, and Korea.

A note from PlantMom

The Itajii chinkapin is highly disease-resistant and generally not susceptible to illnesses. For care, this plant is fairly low-maintenance. When grown outdoors it needs only minimal watering, and larger specimens typically do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Itajii chinkapint is appropriate for anyone with an outdoor area, such as a garden or deck, and does not demand extensive plant-care experience.

— PlantMom
CARE GUIDE

How to keep Castanopsis Sieboldii.

Light

Itajii chinkapin is native to places like forest understories and rocky areas that provide natural shade. It prefers partial sun but can also tolerate full sun or full shade, demonstrating its versatility and hardiness.

Temperature

Itajii chinkapin demonstrates good tolerance to heat, able to endure higher temperatures and greater temperature fluctuations. In hot weather, it is important to monitor watering and provide suitable shading to avoid sunburn. On the other hand, Itajii chinkapin is relatively vulnerable to low temperatures. While it can tolerate a certain amount of cold, extremely cold conditions can cause frost damage.

Fertilizer

To encourage healthy growth, apply fertilizer to your Itajii chinkapin in early spring. Regular feeding boosts overall health, leading to strong growth, better tolerance of harsh conditions, and increased resistance to pests and diseases. Follow a consistent fertilization schedule for your Itajii chinkapin to maintain foliage that is vivid in color and lush in appearance.

CHARACTERISTICS

Botanical profile.

Plant Type
Tree
Life Cycle
Perennial
Genus
Castanopsis
Family
Fagaceae
Hardiness Zone
7-8
Mature Height
15 m
Mature Spread
10.06 m to 14.94 m
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
Yellow, White
Flower Size
0.51 cm to 0.76 cm
Bloom Time
Late spring, Early summer
Planting Time
Spring, Summer
Harvest Time
Fall
Native Area
Japan, South Korea
PLATES
Castanopsis sieboldii leaf
PLATE 01 · leaf
Castanopsis sieboldii flower
PLATE 02 · flower
Castanopsis sieboldii bark
PLATE 03 · bark
ALSO IN THE LIBRARY

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