Anthony Waterer Spirea (Spiraea x bumalda 'Anthony Waterer') is a popular, low-maintenance, deciduous shrub known for its flat-topped clusters of carmine-pink flowers, colorful foliage, and compact mounding habit. It typically grows 2–4 feet tall and wide, serving as a colorful, butterfly-attracting hedge or border plant that thrives in full sun. 
Key Characteristics & Care
Bloom Time: Late spring through mid-summer, with potential for rebloom if deadheaded.
Foliage: Leaves emerge with a reddish-purple tint in spring, turn blue-green, and mature to burgundy/purple in fall.
Sun Requirements: Best in full sun for maximum blooming, but tolerates partial shade.
Size: Compact shrub, usually 2–3 feet (sometimes up to 4 ft) in height and 3–4 feet in width.
Hardiness: Generally hardy, drought-tolerant once established, and deer-resistant.
Maintenance: Prune in late winter or early spring to maintain shape and promote new growth.
Applications: Ideal for mass planting, foundation, shrub borders, and low-maintenance landscapes. 
This shrub is a hardy, long-lived addition to gardens, often used for its vibrant, changing color from spring to fall.