Dyed blue orchids are popular—but the colour is artificial. Real blue orchids are rare. Learn what makes popular blue orchids ...

The Texans have their blue bells, the Scots have their blue bonnets, and right here in Auburn we have our bachelor buttons, ...

Q: Why are more fruits and flowers red, orange or yellow than blue? —Robert L. Morrison | Poughkeepsie, New York There is actually no true blue pigment in nature. A pigment creates color by ...