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.

Tens of thousands of irises of about 50 kinds beside Yanagawa's canals. Entry is free, and the punts (donkobune) of the canal cruise glide past the garden.