Bosc Pear Tree Overview
The Bosc pear tree is medium in size, vigorous, upright-spreading, hardy, productive but is not an early bearer. The fruit shape is pyriform with a very long neck. Moreover, the fruit color is a dark yellow-russet. Fruit is juicy with very good aroma. However the flavor improves during 4-8 weeks of storage. The tree bears regularly and abundantly although it is susceptible to fire blight.
Bosc pear tree is an old European pear tree variety, commonly known as Beurre Bosc, Calebasse Bosc, Beurre d’Apremont, Beurre de Yelle, and Bosc’s Flaschenbirne. According to American and British authors, the Bosc pear originated in Belgium when Van Mons introduced it as Calebasse Bosc in 1807. In fact he named it after the French horticulturalist Louis Augustin Guillaume Bosc. However, according to European horticulturists’ descriptions, the Calebasse Bosc characteristics do not match with the Bosc pear characteristics that are in use in America and England. In fact, the variety that is in use in America and England is Beurre Bosc.
Estimated Chilling Requirement: 500-600 hours below 45°F
Hardiness Zones: 5 – 9
Pollination: Bartlett or another European pear.
Bloom Season: late
Harvest Season: late
Bosc Growing Tips
As with other pear trees, you will need to water once a week during its first year and during the fruiting season. If there is drought, you can water more frequently. This tree needs moist but well-draining soil. In order to retain the moisture, you can place mulch around the tree. Additionally, be sure to clear the weeds next to the tree since this will decrease the competition for nutrients.
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