The Oxnard Historic Farm Park is home to the two oldest buildings on the Oxnard Plain built by Gottfried Maulhardt: an 1870 brick residence and winery and an 1871 Farmhouse. He also planted a Canary Island Date Palm by 1876. Other historic gems on display are an 1890s Carriage House, an 1870s spring wagon that once belonged to Johannes Borchard, two vineyards of 1880s Zinfandel Blanc grapes of cuttings from Santa Cruz Island, two 1903 lima bean threshers built by the Ventura Implement Company, 8 vintage tractors, plows and other farm implements, a lemon orchard, an avocado grove, and several historically representative gardens including sugar beets and historic photos as well the local books written by Jeffrey Maulhardt.