1931
George Pring patents his widely popular water lily hybrid, Nymphaea of St. Louis. It was the first patent attributed to the Missouri Botanical Garden.

Lily Pools and Main Gate in 1931. Nymphaea, Mrs. G.H. Pring in foreground.

During this period George Pring and other Garden staff help maintain the Garden's visability nationwide by publishing articles in various nationally circulated magazines including the Ladies Home Journal among others.