Japanese stewartia

Stewartia pseudocamellia

Choice Japanese deciduous tree with camellia-like white flowers in midsummer, brilliant red-orange autumn colour, and striking flaking bark in tan, grey and cinnamon. A four-season tree.

Hardiness ratings

Japanese stewartia hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 5–8 −28.9 °C to −6.7 °C Plant tolerates down to this zone
RHS hardiness rating H6 −20 °C to −15 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 5–7 −23 °C to −7 °C Plant tolerates down to this zone
Australian (ANBG) zone Zone 2–5 −10 °C to 10 °C Plant tolerates down to this zone

Growing notes

  • Reliable brilliant red and orange autumn colour in October — one of the great small autumn trees
  • White cupped flowers in July are a secondary midsummer marker
  • Distinctive flaking patchwork bark provides winter interest
  • Demanding — needs neutral to acidic moist well-drained soil, dappled shade, and shelter

Categories

Related plants

Cross-check Japanese stewartia against your zones

Reference

Japanese stewartia on Wikipedia