Jacqueline Kennedy liked opulent, French-inspired arrangements and experimented with vegetables. Nancy Reagan had a strong preference for Venus peonies in soft, blush colors. Barbara Bush loved loose, natural-looking arrangements with lavender, bluebells and blue pine. Hillary Clinton had an affinity for tropical flowers… Laura Bush had more classic taste and often used the ornate pieces from the White House antique vermeil collection. As for the Obamas? "They are more youthful... so we gear things a little bit younger. A lot more color, brighter colors, happier colors." [WSJ]
I think they should just promote from within and appoint Sasha Obama the new White House chief florist. All floral arrangements will be handsfull of daisies, dandelions, and various other blooms plucked from the White House lawn and placed in McDonald's collectors' cups.