If you can provide good wet soil and a little afternoon shade ... best perennials to grow for hummingbirds. Great blue lobelia is cardinal flower’s blue counterpart (Lobelia siphilitica ...

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.

Imagine a flower that shifts from pink to blue or green to red and white just because it rained or got a little sunnier. It's ...