Organic. Planted beginning in 2008, this is the only organic orchard on the UC Davis campus. Planted primarily to oil varieties at a spacing of 10 feet x 20 feet (3.3 meters x 6.7 meters) and hand-picked. Trees were donated by McEvoy Ranch and the Santa Cruz Olive Tree Nursery. Varieties: Aglandau, Arbequina, Ascolano, Bouteillon, Carolea, Casaliva, Cayon, Coratina, Frantoio, Itrana, Kalamon, Leccino, Lucca, Maurino, Moraiolo, Noccelara del Belice, Noccelara Etnea, Pendolino, Perenzana, Picholine, Picual and Taggiasca.
Wolfskill. Located at the historic Wolfskill Experimental Orchard, near 152-year-old Mission olive trees, the orchard was planted in 2012. The trees will be trained for mechanical harvesting and are a mixture of oil, table and dual varieties, planted at a spacing of 12 feet x 17 feet. Varieties: Arbequina, Empeltre, Kalamon, Manzanillo, Mission, Ouslati, Picual, Sevillano and Taggiasca
Hutchison. Located across from the Organic orchard, the Hutchison orchard was planted in 2014 to allow research on the viability of dwarf rootstocks. The research, headed by Dr. Louise Ferguson, will graft Manzanillo on promising dwarf rootstocks in cooperation with the USDA Germplasm Repository, the University of Palermo in Sicily, and the Russell Ranch Agricultural Sustainability Institute.