Today, florists sell roses in a range of colours including red, purple, yellow — and even painted with blue or multi-coloured dyes. But what colour were the first roses? A large genomic analysis ...

Roses can be bred in colors ranging from white to yellow to orange to pink to red, based on the genes that are available in the gene pool of the plant. Blue pigments do not naturally occur in ...

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 ...

Red roses, the symbol of love, were likely yellow in the past, indicates a large genomic analysis by researchers from Beijing Forestry University, China. Roses of all colors, including white ...

The results revealed that the earliest roses were yellow, with just one row of petals, and leaves split into seven leaflets.