Del Amo Nursery.

The San Pedro Ranch Nursery Company was founded in February 1921 by Dr. Gregorio del Amo y Gonzales, husband of Maria Susana Delfina Dominguez, daughter of Manuel Dominguez. Dr. del Amo had a strong interest in horticulture since his childhood and founded the nursery to provide trees and shrubs for the landscaping of Dominguez Hills, as well as to provide an occupation for his son, Carlos. The nursery was incorporated in April 1923 and renamed Del Amo Nurseries in May 1933. In 1937, the Del Amo Nurseries was merged into the Del Amo Estate Company.

The nursery, located at the intersection of Del Amo Boulevard and Alameda Street with offices in the Union Bank Building in downtown Los Angeles, provided wholesale horticulture products to locations as distant as New York, Spain, France, Peru, and Morocco. Due to Gregorio Del Amo's interest in horticulture, varieties of trees, shrubs, and ornamental flowering plants from every continent were grown and sold at the nursery. The products were physically planted into the land, instead of in pots or tubs, in the same order as in the printed catalogs, creating a "living catalog." The nurseries also hosted the Nurseries Industries Roundup in 1938. The one-day meeting allowed industry members to discuss relevant issues, as well as the possible establishment in Westwood of a University of California school for the study of subtropical and ornamental plants.

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