Overview

Stewartia is a columnar upright trees in the genus Stewartia, part of the Theaceae family, with deciduous foliage. Stewartia grows best in full sun and partial shade, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, architectural and low maintenance.

About

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.

Growing conditions

Best soil and position for Stewartia

Sunlight
Full sun, Partial shade
Soil type
Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Stewartia size, habit and characteristics

Plant type
Trees
Habit
Columnar upright
Foliage
Deciduous
Suggested uses
Cottage and informal garden, Architectural, Low Maintenance

Care notes

Pruning and caring for Stewartia

Propagation
Sowing seed in a cold frame in autumn, Layering, Softwood cuttings, Semi-ripe cuttings
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility

Frequently asked questions

Where is the best place to plant Stewartia?

Stewartia prefers full sun and partial shade. It suits sheltered positions.

What soil does Stewartia need?

Stewartia grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.

Is Stewartia hardy in the UK?

Stewartia has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Stewartia?

Sowing seed in a cold frame in autumn, Layering, Softwood cuttings, Semi-ripe cuttings.

More in the Stewartia genus

Browse all Stewartia