Sophora japonica
'Sun King'
Sophora, Kowhai Sun King
| Family |
| Papilionaceae |
| Genus |
| Sophora |
| Species |
| japonica |
| Cultivar |
| 'Sun King' |
| Category |
| Woody |
| Type |
| Shrub (evergreen) |
| Synonyms |
| Sophora microphylla 'Sun King' |
| USDA Hardiness Zone |
| 8b |
| Canadian Hardiness Zone |
| 9 |
| RHS Hardiness Zone |
| H4 |
| Temperature (°C) |
| - 10 |
| Temperature (°F) |
| 14 |
| Height |
| 3m |
| Spread |
| 3m |
| General Description |
| A tall and broad evergreen shrub, producing yellow flowers in late winter and early spring that droop down with long anthers. |
| Landscape |
| Flower borders and beds, wall-side borders, city and courtyard gardens, coastal cottage and informal gardens. |
| Cultivation |
| Grow in full sun in well-drained soil. |
| Shape |
| Vase-shaped. |
| Pests |
| Generally disease free. |
| Leaf Description |
| Pinnate glossy dark green leaves composed of up to 40 pairs of small oblong leaflets; smaller than those of Sophora japonica. |
| Flower Description |
| Yellow pea-like flowers 5 cm in length sometimes fragrant in racemes or panicles. |
| Texture Description |
| Fine-textured. |
| Notable Specimens |
| Caerhays Castle, Goran, Cornwall, United Kingdom. |
| Propagation |
| By grafting in late-winter. |