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. |