The hydrangea is a genus of shrubs belonging to the family Hydrangeaceae. It is widely appreciated as an ornamental plant for its large umbrella-shaped flower clusters, which can vary in color from white, pink, blue to purple depending on the soil pH. Native to East Asia and the Americas, hydrangeas thrive in temperate climates, preferring shady or partially shaded locations. They are grown in gardens, parks, and as potted plants, symbolizing elegance and beauty.