Tourists are turning out to stroll the flower-lined grounds of Hitachi Seaside Park in Hitachinaka, Ibaraki Prefecture, and enjoy the millions of baby blue nemophila now blanketing its bucolic hills.

Shuttle buses are also in operation for convenient travel. In spring, you can see daffodils, tulips, and nemophila. The most popular among them are about 4.5 million nemophila spread out on Miharashi ...