Rhododendrons are flowering shrubs and small trees belonging to the genus Rhododendron, which includes over 1,000 species. They are known for their large, vibrant flowers that bloom in various colors, including pink, purple, white, and red. These plants thrive in temperate regions and prefer acidic, well-drained soil, often found in forests and mountainous areas. Rhododendrons are popular in gardens and landscapes due to their ornamental value. They typically bloom in spring, attracting pollinators like bees and butterflies. Some species can grow quite large, while others remain compact, making them suitable for various garden sizes and designs.