| Scientific Name: | Hydrangea arborescens |
| Common Name: | hills of snow, smooth hydrangea |
| Family Name: | Hydrangeaceae |
| Origin: | U.S. - northeast |
| 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: | Upright |
| Form: | Vase |
| Texture: | Coarse |
| Landscape Uses: | Group or mass planting, Mixed shrub border, Perennial border, Summer interest, Woodland margin |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Opposite, Soft flexible, Heavily veined, Pinnate venation, Glabrous, Ovate, Serrate |
| Flowers: | Cyme, White, Red, Jun-Jul-Aug-Sep |
| Fruit: | Capsule, Brown, Oct |
| Key ID Features: | |
| Leaves opposite, ovate, most blades 5-15cm long x 3-10cm wide, margin serrate, petioles 4-7cm long; corymb-like cymes 7-22cm wide, florets numerous, commonly white (pink-red cvs.). Winter ID: bark peels off in several successive thin layers with different colors. | |