At a glance: Bartlett Pear is a pear tree rated hardy to zone 3b in our ratings (winters to -35°F), partially self-fertile, so a second variety nearby makes crops more dependable (bloom group 4 of 7, mid for a European pear), and it ripens about Sep 7 to Sep 21 in Missoula (our Missoula estimate).
Hardy to
Zone 3b to 9. The b means th