Cherry blossom flowering stages

The flowering meter is divided into 11 stages as shown below. Use this page as a reference.

1st stage Hard bud -
2nd stage Expanding bud -
3rd stage Start of flowering 0%
4th stage 10% flowering 20%
5th stage 30% flowering 40%
6th stage Half flowering 60%
7th stage 70% flowering 80%
8th stage Full bloom (more than 80%) 100%
9th stage Start of falling -
10th stage Peak of falling -
11th stage End -