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
| System | Rating | Temperature range | How 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
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Cross-check Japanese stewartia against your zones