The flowers are small and greenish-blue, transitioning to a straw color ... Iris ensata, commonly known as the Japanese Iris ...

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.

Wisteria (Wisteria floribunda) is a breathtaking climbing vine native to Japan, known for its cascading clusters of fragrant purple, blue, or white flowers ... from small shrubs to large trees.