Asian pear trees (Pyrus pyrifolia) fall into two main categories: Japanese and Chinese pears. Both types produce fruit that ripens directly on the tree, and the fruit possesses similar crispness and juiciness. The two types differ greatly in terms of fruit shape and color, however.
Climate and Hardiness
In general, Asian pear trees thrive in U.S. Department of Agriculture plant hardiness zones 5 through 9, but some varieties are hardy in different USDA zones. Some Asian pears need 900 to 1,000 chill hours -- hours below 45 degrees Fahrenheit during dormancy -- to produce fruit, although most need far fewer chill hours. Choose a type that is compatible with your USDA zone to ensure good fruit production.
Japanese pears come in two distinct types according to their fruit's appearance. Their fruit possesses a round shape, but some varieties' fruit has russet or rough skin that ranges in color from greenish brown to bronze while the others have fruit with smooth skin that is green or yellowish.
Among the most popular cultivars of Japanese pear is ‘Hosui’ (Pyrus pyrifolia ‘Hosui’), which has russet fruit and is hardy in USDA zones 5 through 9. Its fruit's golden-brown skin conceals tangy, crisp flesh with a more acidic nature than other Asian pears' fruit. ‘Hosui’ is blight-resistant and moderately heat-tolerant, making it a low-maintenance choice for home gardens.
Another suitable cultivar for home orchards is ‘Chojuro’ (Pyrus pyrifolia ‘Chojuro’), which is hardy in USDA zones 5 through 8. Its golden-brown, russet fruit is noted for its mild, butterscotch-flavored flesh and long storage life.
Two common Japanese pear trees with green-skinned fruit are ‘Kikusui’ (Pyrus pyrifolia ‘Kikusui'), which is hardy in USDA zones 5 through 9, and ‘Shinseiki’ (Pyrus pyrifolia ‘Shinseiki’), USDA zones 5 through 10. Both cultivars require little maintenance and produce quality fruit with sweet, crisp flesh, although ‘Kikusui’ requires 500 chill hours while ‘Shinseiki’ needs only 250 to 300 chill hours.
Chinese pear tree fruit possesses an oval shape or the traditional pear fruit, or pyriform, shape. Most of this type's fruit has yellowish-green skin, although many varieties' fruit develops a brownish blush as it matures.
‘Ya Li’ (Pyrus pyrifolia ‘Ya Li’) is among the most common Chinese pear varieties. Its fruit ripens in early autumn and has a sweet, succulent flavor and crisp flesh. It is a vigorous, productive tree hardy in USDA zones 5 through 10, where it requires 300 chill hours to bear fruit.
Another Chinese pear type is ‘Shin Li’ (Pyrus pyrifolia ‘Shin Li’), a cultivar noted for its large, aromatic fruit and large yield of fruit. Hardy in USDA zones 5 through 8, it is resistant to the disease fire blight.
‘Tsu Li’ (Pyrus pyrifolia ‘Tsu Li’), hardy in USDA zones 5 through 10, has large, green fruit that possesses a football-like shape. Although the fruit can be eaten immediately after harvest, it also keeps for six to 10 months, and the flesh improves with age.
Asian Pear Basics
Regardless of their type, Asian pear trees require full sun, shelter from frost and well-drained soil with a pH between 5.9 and 6.5, which is mildly acidic. Many Asian pears self-pollinate but produce larger crops when two or more compatible varieties are planted together. Choose varieties that bloom at roughly the same time, and space the trees 15 feet apart.
Asian pear tree fruit is allowed to ripen on the tree. It is ready to harvest when it develops its mature color but its flesh is still very firm. Ripe fruit comes off a tree easily when pulled but is prone to bruising. So handle each fruit carefully during harvest. Store the fruit in a box lined with paper towels to protect the fruit's thin, delicate skin.
- Clemson Cooperative Extension: Asian Pear
- Garden.org: Edible of the Month -- Asian Pears
- University of California-Davis Fruit and Nut Research and Information: Asian Pears
- Stark Bro's: 'Hosui' Asian Pear
- Stark Bro's.: 'Chojuro' Asian Pear
- Dave Wilson Nursery: 'Kikusui' Asian Pear
- Dave Wilson Nursery: 'Shinseiki' Asian Pear
- Dave Wilson Nursery: 'Ya Li' (Chinese) Asian Pear
- Rolling River Nursery: 'Shin Li' Pear
- Dave Wilson Nursery: 'Tsu Li' (Chinese) Asian Pear
- Ripen Asian Pears
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