|Pyrus ussuriensis is the hardiest of the pears. Growth habit is rounded and dense, reaching 40 to 50 feet in height. The foliage is glossy dark green in summer, and reddish-purple or red in the fall. Flowers are 1 1/3 inches in diameter, pinkish buds opening to white flowers, in late spring. The fruit is round, greenish-yellow pome. It is the least susceptible to fireblight. A very good choice for colder climates, very ornamental. Native to northeastern Asia.