Blue flowers are quite few. True, you sees many blue flowers advertised in plant and seed catalogs, but 9 times out of 10 they will actually be purple. 'Johnson's Blue' geranium? Purple! Blue flag iris? Purple! Why do they repeat this? For one thing, blue flowers are coveted, so calling them blue improve sales. Often go so far as to PhotoShop the images to make them appear bluer than they are. And some people really cannot see the difference- I've stood before plants that are clearly purple…
Doorgaan