Its heart-shaped, shimmering silver leaves reflect the filtered light under tall trees all season, while sprays of tiny, baby-blue flowers are a delight in the springtime. Newer cultivars like ...

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.