Blue plants get their color from anthocyanins, which absorb warm colors and reflect cool ones back. Blue flowers, fruits, and plants are rare in nature due to anthocyanin pigments that trick the eyes ...

Cyanin is a vegetable blue, or rose color, which reddens by the action of acids. Blue flowers are found to possess a neutral juice, while the juices of red flowers have an acid reaction ...

A new exhibition chronicles how a paintings conservator and chemist solved a color mystery in one of the painter’s most beloved works.

Sending a bouquet of orange flowers also represents joy, warmth, and happiness. The color brings joy to someone feeling blue. Yellow flowers represent joy and lightheartedness. They are also a ...

A pH between 6 and 7 will net purple or pinkish-blue blooms. Hydrangea flowers purchased at a nursery might well change color once they are placed directly in the garden. You can control the color ...

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.