Grows to 20-30 ft. Durable, decorative, vigorous grower, spiny crown. Spectacular orange red 3-inch fruits in clusters. Fragrant white flowers in spring.
Fruit is bitter and makes excellent bitter marmalade.
Susceptible to aphids, mites, scale insects, mealy bugs. Sour orange rootstock has been used to confer greater cold heartiness on sweet oranges. Used in making liqueurs such as Cointreau, Curacao, Grand Marnier and Triple Sec.