The color blue aids relaxation, which makes it a great choice for the flowering plants in your yard. Here are 11 trees and ...

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 ...

Their ability to shift colors, from blue in acidic soil to pink ... hence their name. Native to tropical South America, these ...

Several annual and perennial plants can add a splash of color to your ... garden centers. Flowers come in many shades of pink, purple and white atop foliage which has a blue tint.