Sophora japonica 'Sun King' (Sophora, Kowhai Sun King)
Botanical Information
| Family | Papilionaceae |
| Genus | Sophora |
| Species | japonica |
| Cultivar | 'Sun King' |
| Synonyms | Sophora microphylla 'Sun King' |
| Category | Woody |
| Type | Shrub (evergreen) |
Details
| USDA Hardiness Zone | 8b |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 9 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H4 |
| RHS Hardiness Ref. | |
| Temperature (°C) | - 10 |
| Temperature (°F) | 14 |
| Height | 3m |
| Spread | 3m |
| Flowering Period | February, March, April |
Description and Growing Information
| General Description | A tall and broad evergreen shrub, producing yellow flowers in late winter and early spring that droop down with long anthers. |
| Shape | Vase-shaped. |
| Landscape | Flower borders and beds, wall-side borders, city and courtyard gardens, coastal cottage and informal gardens. |
| Propagation | By grafting in late-winter. |
| Cultivation | Grow in full sun in well-drained soil. |
| Pests | Generally disease free. |
| Notable Specimens | Caerhays Castle, Goran, Cornwall, United Kingdom. |
| 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. |