Ajisai (紫陽花) or Hydrangea flowers are native to southern and eastern Asia such as China, Japan Korea and of course Indonesia. In certain cities in Japan, hydrangea viewing is a must! These fowers are well known for seven transformation colours or nanahenge (七変化). The petals’ colours change according to the soil acidity and give a rich colours from white/yellow and transform to blue/purple.
Ajisai viewing is best on rainy season (tsuyu, 梅雨). In #Japan, around #june to mid #july.