She had procured a few of the very rare dahlias from Spain and displayed them annually. All aristocratic ladies wished to have such a rare flower but knew better.
One lady of the court could not help herself and successfully enticed a gardener to secretly pass some stolen tubers to her. When the foolish woman showed her new dahlias the following summer, Josephine banished the uppity aristocratic woman from the royal court, disposed of the gardener appropriately, and ordered that dahlias were never to be grown in her gardens again. She came to loathe dahlias. Oh, the joys of the blood-stained throne.
Then we have a man who did not think too highly of himself as the Empress did of herself. He would share as true flower gardeners love to do. Monet, the famous impressionist painter, loved his red "American Pillar" climbing rose (that he had obtained from Pennsylvania) so much that he offered cuttings of it to his friend Clemenceau, the former premier of France. Monet's gardens are still a sight to behold.
And many have seen the film entitled The Black Dahlia.