Season of mandarin orange

Japan has celebrated the season of oranges. 
Citrus majority of Japan is Wenzhou oranges and their improved varieties.
It is cultivated in  Wakayama Prefecture and Ehime Prefecture and Shizuoka Prefecture. They're warm land.Mandarin orange prefer the sunny land. 
In Kyoto, oranges are not grown much.
However, the other day, I saw a tree of oranges has become a mandarin orange in the neighborhood. 
I like oranges. So, looking at the fruit of oranges, I will be happy(^_^)