Neon Flash Spirea (Spiraea japonica 'Neon Flash') is a compact, deciduous shrub known for its vibrant, reddish-pink flower clusters that bloom from late spring through summer. Growing 2–3 feet tall and wide, it features colorful foliage that emerges reddish, turns dark green, and matures to burgundy in fall. It is a low-maintenance, drought-tolerant, and deer-resistant, making it ideal for borders and mass plantings. 
Key Characteristics & Care
Size: Typically grows 3 feet high and 3 feet wide, forming a dense, rounded mound.
Light: Requires full sun (at least 6 hours) for best flowering and color.
Soil: Thrives in average, well-drained soils; highly adaptable to different soil types.
Maintenance: Low maintenance; benefits from trimming/deadheading after the first bloom to promote repeat flowering.
Hardiness: Zones 4–9.
Usage: Suitable for borders, low hedges, mass plantings, and container gardening.