The florist chose varieties he thought would resonate both with Dior's history (red roses) and the designer's modern aesthetic (blue delphiniums and goldenrod).
There are many people with spring allergies who seem to react to just about everything else too--weeds such as goldenrod that pollinate in late summer and fall, and pet dander and mold all year round.
Its commercials (like the video above) are filled with heart-tugging images: beaches and bayous, the arches of Utah, a fin-tailed convertible cruising a neon-lit street, a girl running through a field of goldenrod, a New Orleans brass band and a biker heading toward the Golden Gate.