There are numerous types of blue flowers. It could be hard to categorize each of them. Be reminded that not all so-called blue flowers are blue in color. Some are obviously diverging from the phenomenal color. However, there are many flowers that are not containing the word 'blue' in their names but are actually known for having the color in their natural state. In many flower shops, many so-called blue-colored flowers are also not naturally colored blue. Instead, they are artificially colored to assume the blue color using dyes or other coloring techniques.
Are you searching for blue flowers to be used in different occasions? You should realize that there are too many of such flowers. You may not need to immediately resort to having white and carnation flowers dyed to become blue. These flowers are already blue naturally: alcea, amsonia, bergenia, buddleia, clematis, corydalis, delphinium, digitalis, erodium, eucomis, fuchsia, globularia, heperis, hosta, jasione, lavandula, lilium, linaria, molinia, myosotis, nepeta, origanum, pratia, pulmonaria, roscoea, stachys, thymus, tricyrtis, veronica, vernonia, vinca, and viola. Some of these are spring blue flowers, while others are more common during summer.