Underused native Spiraea from the western United States and native in Oregon. Low mounding deciduous shrub to 2′ x 3′. Pink buds open to foamy white flat clusters of flowers appear in late spring. In autumn it turns amazingly vivid colors of red/orange/gold and it holds its color for weeks. One of the most drought tolerant of the genus requiring light summer water to very little. Full sun and rich soil. Spreads to form patches. Long lived and an excellent landscape shrub. Birch Leaf Spiraea. Oregon native plant.