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 M338 (CC BY-SA 3.0) — via Wikimedia Commons
Red spider lilies line the ridges of terraced rice fields in the village of Asuka, Japan's ancient capital, just as the rice ripens. In September a scarecrow contest fills the paths with scarecrows.