I quickly found four articles that mention my grandmother, Emily (Auble) Carringer, noting her flower arrangement awards during the 1960s here in San Diego.
The most interesting one is from the California Garden, San Diego Floral Association, Vol. 55, No.6, (December-January 1964-1965), page 16 of 32. The article is titled "The Saga of a Traveling Agave."
Here is the MyHeritage search result (two images):
I right-clicked the page image and saved it to my file folder for my grandmother. Here is the image of the work:
The arrangement of this work is described as:
Copyright (c) 2016, Randall J. Seaver