Flowers that have acid in their petals are shades of red, while flowers that have base in their petals are purple/blue. The varying amounts of acid or base in a flower petal can create a variety of ...

Mimosa flowers, the miniature pompoms bursting with colour and fragrance, turn the hills around the France's perfume capital, Grasse, a golden yellow for a couple of fleeting weeks each year.

"The color is really to make the flower stand out from the rest of the plant so that they will attract insects to spread their pollen," says Dr. Nancy Goroff, a chemist at Stony Brook University.

‘Mimosa' is Pantone's Pick For Color of 2009: We Disagree A garish yellow is Pantone's pick of 2009? Yuck.

An extremely rare case of a flower that oscillates in colour over time has been discovered by researchers in Japan. The team, led by Nobumitsu Kawakubo at Gifu University , showed that the ...