| Scientific Name: | Forsythia x intermedia cvs. |
| Common Name: | showy forsythia |
| Family Name: | Oleaceae |
| Origin: | Garden origin |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Flowering cut plant, Shrub - deciduous |
| Mature Size: | 2 - 3m x 3 - 4m (height x width) |
| Habit: | Arching, Stiffly upright |
| Form: | Irregular, Vase |
| Texture: | Medium - fine |
| Landscape Uses: | Cut flower or foliage, Group or mass planting, Mixed shrub border, Sheared hedge, Spring interest, Tall background |
| Exposure: | Full sun, Filtered shade |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Opposite, Soft flexible, Pinnate venation, Glabrous, Lanceolate, Ovate, Serrate |
| Flowers: | Flowers solitary, Yellow, Mar-Apr |
| Fruit: | Capsule, Brown, Sep-Oct |
| Key ID Features: | |
| Shrub dense; leaves opposite, ovate to lanceolate, most blades 7-10cm long x 3-5cm wide, margins serrate midway towards apex; flowers 1.5-2cm wide, four deep bright yellow petals, Mar-Apr. Winter ID: buds greenish divergent; lenticels bumpy on older stems and trunks; young stems yellow-green before maturing to orange-brown. | |