Flowers like Heuchera, Hydrangeas, Lantana and Roses change colors due to multiple factors ... Imagine a flower that shifts ...

Everyone's knee-jerk reaction for color-coding the flower arrangements for special events is red for Valentine's Day and white for funerals. While we're more than happy to get a bountiful bouquet ...

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 ...