Showy spring flowers include azaleas, irises, and peonies. Azaleas are flowering shrubs in the genus Rhododendron, native to Asia and North America. Irises are a genus of flowering plants with sword-shaped leaves and showy flowers, native to the temperate Northern Hemisphere. Peonies are flowering plants in the genus Paeonia, native to Asia, Europe, and Western North America. All three of these flowers are popular choices for gardens and landscaping due to their bright colors and showy blooms.