Visit our international website at soilandplantlab.com for assistance in Spanish or submitting samples from outside of the U.S.

Southern California: In December, 1989, the southern California facility was moved to the city of Orange near the site of the original building in which the company was located in 1950. Field staff in this office make on-site visits to nursery, greenhouse, and landscape installations throughout southern California. A pathology laboratory is maintained at this facility, with growth trials and research projects conducted in the adjacent greenhouse.

Central Valley California: Personalized services are provided to general agriculture, blueberries, greenhouse, nursery, and landscaping industries as well as soil/compost producers within the north to south central valley out into the coastal regions by field staff located in the Oakhurst, California. Se habla espanol.

Central California: The analytical facilities and additional staff offices have been located in the Santa Clara Airport Industrial Park next to the San Jose Airport since 1965. Samples for analysis are shipped by air, Greyhound bus, United Parcel Service, and regular mail for processing in this centrally located facility. Field staff from this location provide on-site visits to nursery, greenhouse, and landscape installations throughout northern California. Laboratory analyses results are transmitted daily to each of the offices via computer.

Northwest: Personalized services are provided to the greenhouse, nursery, and landscaping industries as well as soil/compost producers in the states of Washington, Oregon, Idaho, Utah, Montana, and western Canada by field staff located in Bellevue, Washington. Periodic field call services are also available in Alaska, Nevada, Hawaii and Australia. This service has been available since 1970.