Hydrangeas are popular flowering plants known for their large, colorful blooms. They belong to the family Hydrangeaceae and can be found in various species, each with unique flower shapes and colors, including blue, pink, and white. These plants thrive in well-drained soil and prefer partial shade, making them ideal for gardens and landscapes. The color of hydrangea flowers can change based on soil pH. In acidic soil, flowers tend to be blue, while alkaline soil produces pink blooms. Hydrangeas are often used in floral arrangements and are appreciated for their long-lasting flowers, making them a favorite among gardeners and flower enthusiasts.