Cyanin is a vegetable blue, or rose color, which reddens by the action of acids. Blue flowers are found to possess ... from the leaves of the yellow dahlia. Acids turn xanthein brown.

Gardeners won't want to miss out on these award-winning vegetable and flower varieties from All-America Selections, proven to ...

Grow dahlias with flowers of different shapes and sizes to ... You’ll find the widest range of colors and styles with new ...

Virtuoso Classy Carmine dahlia, Stardiva Blue scaevola and Supertunia Saffron Finch petunia with cheerful yellow flowers. The colors were perfect! If you have noticed the rules in triadic harmony ...

Science teacher Amandine Hall’s fascination with dahlias bloomed into an obsession. The result is a dazzling display of ...