Spiraea densiflora (commonly known as subalpine spiraea, rosy spiraea, or dense-flowered spiraea) is a small, deciduous, flowering shrub native to the mountains of western North America. It is often found at high elevations, from British Columbia south to central California and east to Montana, in moist, rocky areas, along streams, or in open subalpine forests. 

☀ Full Sun / Part Sun
🐝Supports butterflies & predatory wasps
🌧 Low once established
🦋Nectar for butterflies, key resource for native bees
🍃Perennial