In 1956, Post hired Perry Hunt Wheeler, who designed the White House rose garden, to update the rose garden to her current tastes. Each bed is planted with a single variety of floribunda rose which bloom in the summer.
In 1956, the White House rose garden underwent a transformation under the direction of Perry Hunt Wheeler, who had previously designed its layout.  Each bed was redesigned to feature a single type of floribunda rose that blooms during the summer.