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.

About 40,000 tulips planted by the town each spring, usually at their best around 10 April. The park opens for the season from late March to late April, and entry is free.