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 444 spots.

Photo Midori (CC BY-SA 3.0) — via Wikimedia Commons
Southern Okinawa's best-known cherry spot: kanhizakura across the hillside park in Tomori, with the Yaese cherry festival in early February and evening light-ups while the trees are in flower.