Mountain Spiraea
Spiraea splendens
Last reviewed: September 2026
Toxicity unknown
Mountain Spiraea (Spiraea splendens) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
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
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse 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 vouchered herbarium specimen records 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 vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Mountain Spiraea? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz