Mountain Spirea
ExplorePlants
Mountain Spirea
spiraea splendens
Mountain Spirea (Spiraea splendens) is a delightful, low-growing deciduous shrub native to the mountainous regions of western North America. Often found decorating subalpine meadows, rocky slopes, and moist forest clearings, this resilient plant is celebrated for its dense, rose-pink flower clusters. These fuzzy, pom-pom-like blooms light up high-elevation landscapes during the short summer season, attracting an array of native pollinators. Standing up to a meter tall, it plays a vital role in stabilizing mountain soils and offering cover for small alpine wildlife. Beyond its ecological value, Mountain Spirea is highly valued by native plant enthusiasts for its robust nature and striking summer displays, standing as a beautiful symbol of high-altitude resilience.
Habitat: Found in moist subalpine forests, montane meadows, rocky slopes, and along the banks of mountain streams.
Appearance
This compact shrub typically grows between 30 and 100 centimeters tall, featuring erect, branching reddish-brown woody stems. Its leaves are alternating, oval-shaped, and display bright green coloring with finely tooth-serrated edges. The most defining feature is the dense, flat-topped clusters of tiny, five-petaled pink to rose-colored flowers. These clusters have a uniquely fuzzy appearance due to numerous long stamens that extend significantly beyond the delicate petals.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderRosalesFamilyRosaceaeGenusSpiraea
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
It is highly adapted to heavy snowpack, which actually protects its dormant buds from dry, sub-zero winter air.
Native American tribes, including the Thompson and Okanagan, traditionally brewed a medicinal tea from the leaves and bark to treat colds.
The fluffy look of its flower clusters comes from numerous long, protruding stamens that extend far beyond the petals.
Special abilities
Ability
Snowpack Insulation
Leverages deep winter snow cover as an insulating blanket to survive freezing alpine temperatures and harsh winds.
Ability
Scented Pollinator Magnet
Produces a sweet, potent fragrance and highly visible pink flowers to attract scarce high-altitude pollinators quickly during a short growing season.
Ability
Rhizomatous Sprouting
Regenerates and spreads effectively after physical damage or mountain wildfires via a hardy underground root system.
Measurements & details
- Length
- 30-100 cm
- Lifespan
- 10-30 years
Diet & Feeding
As an autotroph, it synthesizes its own food through photosynthesis, utilizing sunlight, carbon dioxide, water, and essential soil minerals.
Primary Foods
- Sunlight
- Carbon dioxide
- Water
- Soil minerals
Ecological connections
mutualism
Yellow-faced bumblebee
Bombus vosnesenskii
Provides nectar and pollen to support native bee populations in high-elevation ecosystems.
eaten by
Mule deer
Odocoileus hemionus
Browses on the leaves and tender young shoots during the spring and summer months.
host plant
Variable checkerspot
Euphydryas chalcedona
Serves as an occasional host plant and nectar source for the caterpillars and adult butterflies.
Traits
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Also known as
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Safety
Danger
1/5 · Very low
No special safety notes yet.
Frequently Asked Questions
How to identify Mountain Spirea?
The easiest way to identify Mountain Spirea is to use the Snappit nature identifier app.
How long is Mountain Spirea?
30-100 cm
How long does Mountain Spirea live?
10-30 years
What does Mountain Spirea eat?
As an autotroph, it synthesizes its own food through photosynthesis, utilizing sunlight, carbon dioxide, water, and essential soil minerals.
Where is Mountain Spirea usually found?
Found in moist subalpine forests, montane meadows, rocky slopes, and along the banks of mountain streams.
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