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Stewartia (Stewartia pseudocamellia)

Source: Wikimedia Commons

Stewartia

Intermediate

Stewartia pseudocamellia

Deciduous bonsai blooming with white camellia-like flowers in summer. Smooth bark develops beautiful mottled pattern with age. Triple appeal: flowers, bark, and autumn color.

Growing Difficulty
Intermediate
Temperature
≥-15℃
Lifespan
100+ years
Size
15-50cm (bonsai size)

Overview

Stewartia is a genus of 8-20 species of flowering plants in the family Theaceae, related to Camellia. Most of the species are native to eastern Asia in China, Japan, Korea, Laos, Myanmar, Thailand, and Vietnam, with two in southeast North America, from Virginia and Kentucky south to Florida and Louisiana.

Source: Wikipedia (CC BY-SA 4.0)

Lifespan of the Stewartia

The Stewartia lives 100+ years.

Size of the Stewartia

The Stewartia grows to 15-50cm (bonsai size).

Temperature & humidity for the Stewartia

The Stewartia tolerates temperatures of ≥-15℃.

Basic Info

Origin

Eastern Asia including China, Japan, Korea, Laos, Myanmar, Thailand, and Vietnam

Lifespan

100+ years

Size

15-50cm (bonsai size)

Temperature

≥-15℃

Growing Tips

Placement

Partial shade ideal. Avoid strong summer sun

Watering

Loves water. Sensitive to drying

Styling

Use natural form. Informal upright common

Notes

Delicate roots. Handle carefully when repotting

IntermediateDeciduousSummer white bloomMottled bark

Stewartia FAQ

QWhat is the growing difficulty level for Stewartia?
A

Intermediate. A variety suitable for intermediate growers. Requires some cultivation experience and knowledge of environment management. Pay careful attention to temperature and humidity control.

QWhat temperatures can Stewartia tolerate?
A

Stewartia tolerates temperatures of ≥-15℃. This is the tolerated range, not the ideal growing temperature. Keep conditions well inside it and avoid sudden temperature changes.

QWhat is the lifespan of Stewartia?
A

The average lifespan of Stewartia is 100+ years. With proper cultivation environment and nutrient management, you can keep it healthy for a long time.

QHow large does Stewartia get?
A

The mature size of Stewartia is 15-50cm (bonsai size). This may vary slightly depending on cultivation environment and individual differences.

QWhat is the typical price for Stewartia?
A

The price of Stewartia varies significantly by variety, characteristics, size, and lineage. Please check GrowerDirect's price guide for the latest market information.

Last updated: October 2, 2026

Growing Specifications

References & Sources

Edited & verified by: GrowerDirect Editorial Team

The classifications, regulations, and growing data on this page are created and verified based on the primary information database below.

Primary sources

Taxonomy & Authority

Accepted name: Stewartia pseudocamellia Maxim.

Synonyms: Stewartia japonica G.Nicholson, Stewartia grandiflora Carrière, Stewartia koreana Nakai ex Rehder

Authority databases: GBIF · POWO

Nomenclature follows global taxonomic authority databases.

Regulations & Conservation Status

Not CITES-listed

Sources: CITES Checklist of CITES Species

Regulations may change. Always verify the latest information with the relevant authorities.

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