Potomac was released by USDA as a pear variety in 1993. It is a hybrid derived from the Moonglow and Anjou cross. The skin is light green and glossy, and the flesh is moderately fine with a flavor similar to the Anjou pear. It is a small, sweet pear with fine, buttery flesh. It has a subacid flavor with a mild aroma. The tree is moderately vigorous and is the highest quality fireblight resistant variety available. Ripens two weeks after Bartlett; keeps 8-10 weeks in refrigerated storage. Hardy in Zones 5-8.