| Scientific Name: | Spiraea japonica |
| Common Name: | Japanese spirea |
| Family Name: | Rosaceae |
| Origin: | S.E. Asia / Japan / China |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Shrub - deciduous |
| Mature Size: | 1.3 - 2.0m x 1.0 - 1.5m (height x width) |
| Habit: | Dense, Twiggy |
| Form: | Mounded, Oval - horizontal |
| Texture: | Medium - fine |
| Landscape Uses: | Accent plant, Group or mass planting, Hedge row, Mixed shrub border, Small garden/space, Summer interest |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Humus rich |
| Leaves: | Simple, Alternate, Soft flexible, Pinnate venation, Pubescent, Lanceolate, Ovate, Serrate |
| Flowers: | Cyme, White, Pink, Apr-May-Jun |
| Fruit: | Aggregate fruit, Follicle, Brown, Aug-Sep, (Persistent) |
| Key ID Features: | |
| Leaves alternate, most ovate, 2.5-7.5cm long x 1-3cm wide, margin toothed; flowers of most rosy-pink and at the tips of the branches. Winter ID: twigs slightly zigzag, reddish-brown, round, smooth except for tiny ridges, upright; buds ovoid; leaf scar crescent to U-shaped, persistent fruit. | |