Pyrus ussuriensisPyrus ussuriensis Manchurian Pear Manchurian pears are beautiful and versatile trees that will add aesthetic value to many landscapes. They are some of the most commonly grown ornamental pears, with a stunning spring flower display and fantastically colourful autumn foliage. Their moderate growth rate make them a great addition to both new and existing gardens. Pyrus ussuriensis is native to Korea, Japan, and the Ussuri River region of eastern China