Tropicals > Radermachera > Radermachera sinica > Radermachera sinica
Radermachera sinica
China Doll, Serpent Tree, Emerald Tree, Radermachera
Origin: Southern and eastern Asia.
| Family |
| Bignoniaceae |
| Genus |
| Radermachera |
| Species |
| sinica |
| Category |
| Tropicals |
| Type |
| Tree (evergreen) |
| Synonyms |
| Stereospermum sinicum |
| USDA Hardiness Zone |
| 10 - 12 |
| Canadian Hardiness Zone |
| Requires cold season protection under glass. |
| RHS Hardiness Zone |
| H1b - H3 |
| Temperature (°C) |
| -5 - 15 |
| Temperature (°F) |
| 23 - 59 |
| Height |
| 7.6 - 9 m |
| Spread |
| 4.5 - 7.6 m |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| General Description |
| Broadleaf evergreen tree that makes a popular houseplant. |
| Landscape |
| Where winter hardy, this tree serves as an interesting specimen/accent or small shade tree in protected areas of the landscape. Where not winter hardy, grow as container plant for patios or porches that must be overwintered indoors. |
| Cultivation |
| Best grown in full sun to part shade with rich, consistently moist, well-drained soil. Soil cannot be allowed to dry out, but don’t let plant sit in water. Protect from direct sun and strong winds. |
| Pests |
| Aphids and spider mites. |
| Habitat |
| Subtropical mountain areas. |
| Leaf Description |
| Bipinnate compound leaves that grow to 76 cm long with leaflets up to 5 cm long. |
| Flower Description |
| Fragrant, trumpet-shaped, and crinkly-petaled. Flowers grow to 7.5 cm long, which bloom in panicles at the leaf axils or branch ends. |
| Fruit Description |
| Non-showy fruits grow in slender capsules. |
| Colour Description |
| Leaves are bright to dark green. Flowers are white or yellow. |
| Texture Description |
| Leaves are glossy. |
| Notable Specimens |
| Centennial Conservatory, Thunder Bay, Ontario, Canada. |
| Propagation |
| By stem cuttings in summer. |
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