Skip to main content

Mountain Spiraea

Spiraea splendens

Last reviewed: October 2026

Mountain Spiraea (Spiraea splendens)
Photo: (c) Jonathan Bayer, some rights reserved (CC BY)

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 459 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Picture natives in your own yard

Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Mountain Spiraea.

Try it with your yardDownload on the App StoreGet it on Google Play

Browse plants for this ecoregion

Coast RangeNorthwestern Forested MountainsSierra Nevada

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.

Get an email before your first frost

We'll email you a week before frost can first reach your ZIP. You also get a printable fall checklist with your dates right away.

You'll also get our weekly yard notes. Unsubscribe anytime.

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.

See all plant problem guides

Ready to grow Mountain Spiraea? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden
iPhone appAndroid app