In foreign countries,it blooms in early spring. In Japan,it sometimes blooms during the rainy season,and it is one of the symbolic flowers of that season.

The color of hydrangea changes depending on the soil condition because the acidity of the soil is related to the color of the flower. It turns blue when it is acidic and red when it is alkaline.」 Hydrangea is said to be a vessel of water.
How to enjoy hydrangea
Hydrangeas came in many colors. A flower that will soothe your Heart during the rainy season.