I have one unknown type of older pear tree and have just planted a new Bartlett pear tree. I know pear trees need at least 2 trees to pollinate. If the types are different, will they still pollinate. I've never had pears on the old lone one, so I can't tell what kind they are. Thanks for your reply.
Julie, you had me searching pear pollination... Here's what I found @ http://www.flowerworldusa.com/.....trees.html: "All pear trees will pollinate each other except Seckel and Bartlett varieties. Pear trees should be planted close to each other, within 100 feet or so. Some early blooming European pears will cross-pollinate with late blooming Asian pears."
I've heard Bartlett trees described as "self pollinating," and at the isolated homestead I inherited, the lone Bartlett Pear was loaded every year! One pollination chart shown it to be a fairly early bloomer; that might be the only problem regarding its ability to pollinate your unknown variety. But Bartlett would have been my first choice - good growing 
!
There's a lone Bartlett pear on my property too. No other pears anywhere nearby. Not within a mile as far as I can tell. It has a reasonable crop of fruit yearly, not tons, but plenty. And darn tasty too I might add. I'd say the rumors of Barlett being self-fruitful are correct. Your mileage may vary.
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