Northwest Blooms · Shrubs
Spiraea nipponica
Snowmound Spirea
- Family
- Rosaceae
- Height
- 3 to 5 feet
- Width
- 3 to 5 feet
- Flower color
- Pure white
- Foliage color
- Dark green during the growing season, transitioning to coppery-yellow in fall
- Bloom time
- Mid to late spring
- Light
- Full sun to partial shade
- Water
- Moderate to low
- Maintenance
- Low; light pruning after bloom to shape if desired
- Growing zone
- USDA zones 4 to 8
- Wildlife
- Flowers attract butterflies and other pollinators
About this plant
Spiraea nipponica is a deciduous shrub admired for its abundant white flowers that bloom in late spring to early summer. The small, round blooms are clustered into flat-topped corymbs that cover the arching branches, creating a graceful, cascading effect. These flowers are not only ornamental but also attract pollinators, adding ecological value to gardens.
Native to Japan, Spiraea nipponica thrives in a range of environments and is well-suited to ornamental landscapes. Its arching form and profuse flowering make it a popular choice for hedges, borders, or mixed shrub plantings, where it brings seasonal charm and elegance. The shrub's natural beauty and adaptability reflect its origins in the diverse terrains of East Asia.
Works well in
Sun Gardens · Cottage Gardens · Borders · Pollinator Gardens
Companion plants
Camas · Mexican orange blossom · Bee balm · Maiden grass · Sea thrift · Flowering quince
Design tip
Create a cascading spring focal point with Snowmound spirea at a bend in a path or the edge of a planting, where its arching, flower-covered branches can be seen in profile. The sweeping silhouette becomes much more apparent from this angle than when viewed straight on.
