Mountain Spiraea
Spiraea splendens
Last reviewed: July 2026
Light
full sun
Water
medium
Size
12"–36" H × 12"–36" W
Bloom
Jun, Jul, Aug
Native to
CA, ID, MT, OR and 2 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Spiraea splendens is a compact deciduous shrub that produces clusters of pink to rose-colored flowers from June through August. The plant maintains a tidy, rounded form that works well in both formal and informal landscape settings.
In an HOA neighborhood
Mountain Spiraea is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The summer blooms attract bees and butterflies, providing nectar during the peak growing season. This native shrub supports local pollinators when many other plants may be stressed by summer heat.
Common questions
- How much sun does Mountain Spiraea need?
- Mountain Spiraea grows best in full sun conditions.
- When does Mountain Spiraea bloom?
- Mountain Spiraea blooms in June, July, and August.
- Where is Mountain Spiraea native?
- Mountain Spiraea (Spiraea splendens) is native to CA, ID, MT, OR and 2 more states, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Mountain Spiraea attract?
- Mountain Spiraea draws bees and butterflies.
- Is Mountain Spiraea HOA-friendly?
- Mountain Spiraea is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Mountain Spiraea? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz