Cherry blossom is three weeks of it. Flip through the other forty-nine — and watch what's in bloom move up and down the country.
The calendar is the way in. Underneath it sits the ordinary thing — search, filter by month or flower, and open any of the 412 spots.

Photo Tomofumi Sato (CC BY-SA 3.0) — via Wikimedia Commons
An edo-higan thought to be about 1,200 years old, among the largest in Tohoku, with branches spreading some 25 m, a natural monument. Also called "Otama-zakura" after a local legend.