| Genus | Spiraea |
|---|---|
| Species | thunbergii |
| Cultivar | 'Ogon' |
| Patent | Registered |
| Common Name | 'Mellow Yellow' Spiraea |
| Zone | 4 to 9 |
| Habit | dense shrub. Moderate growth rate., Vase shaped |
| Height | 3 to 5 Feet |
| Spread | 3 to 5 Feet |
| Foliage | Golden yellow, slender willow-like foliage. Deciduous. |
| Flower | before the leaves. March-April., in clusters, Small white |
| Culture | Full sun. |
