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 ...

Hydrangea colors can change with soil composition. Here's what to know about changing your soil pH to get the hydrangea ...

wide, in full sun and normal soil with neutral to slightly ... or mixed with other foliage and flowers that accent the coral, burgundy and chartreuse colors.” A 2023 national AAS winner, Coleus ...