* Red: Roses, hibiscus, madder root (technically a root, but often used like a flower)
* Blue: Indigo (actually a plant, but used like a flower), cornflower, chicory
* Yellow: Marigolds, calendula, safflower
* Purple: Violets, iris, lavender
* Green: Clover, spinach (also a vegetable)
It's important to note that the color and intensity of the dye can vary depending on the species of flower, the method of extraction, and the fabric being dyed.
Would you like to know more about a specific flower or color?