Spiraea nipponica 'Snowmound'
S. n. var. tosaensis ‘Snowmound’
Native to (or naturalized in) Oregon:
- Deciduous shrub, 3-5 ft (0.9-1.5 m) tall, equal width, upright, rigid form, rounded. Leaves simple, alternate, 2-4 cm long, elliptic to obovate, toothed at rounded apex, bluish green. Flowers white, 6 mm, in rounded clusters, cover branches in May-June.
- Sun to part shade, does best in well-drained soil with moderate to high levels of moisture. Prune older stems to the ground to thin and rejuvenate.
- Sun to part shade, some consider it a superior replacement for Spiraea × vanhouttei.
- Hardy to USDA Zone 3 Native to the island of Shikoku, Japan.
- Oregon State Univ. campus: east side of parking lot east of Radiation Center.