Casa Ermelinda Freitas has been producing wine since 1920. The 550 hectares of vineyards are located in Fernando Pó, a prime area in the region of Palmela, 60% of which is dedicated to the Castelão variety, 20% to red varieties such as Touriga Nacional, Trincadeira, Syrah, Aragonês, Alicante Bouschet, Touriga Franca, Merlot, Petit Verdot, Pinot Noir, Trincadeira, Petite Sirah, Carmenére, Moscatel Roxo, and 20% to white grapes, such as Fernão Pires, Chardonnay, Arinto, Verdelho, Sauvignon Blanc, Moscatel de Setúbal, Viosinho, Encruzado, Alvarinho, Pinot Grigio, Viognier, Vermentino and Gewürztraminer, making a total of 29 different varieties currently being cultivated at Casa Ermelinda Freitas.