These 7 blue flowers deliver the sky, cornflower and cobalt shades that can be surprisingly hard to find in the garden.

Blue is the rarest flower color, seen on only 10 percent of the 280,000 flowering plants on Earth. Among those who specialize in color analysis, it is sometimes claimed that, in reality, there has ...

What’s your favorite color? My favorite color has always been green. I guess it figures, given my life-long interest in plants. But, if you ask me what my favorite color of flower is, I would say blue ...

Blue is the favorite color of more people in the world than any other, and the "blue flower" is considered a symbol of romantic longing. In nature, however, there are only a few plant species whose ...