Pyrus communis x P. pyrifolia The Kieffer pear tree is said to be an accidental hybrid, a cross of the Sand Pear and Bartlett. It was first cultivated on the farm of Peter Kieffer in Philadelphia in the 1860s. So how did the Kieffer pear come to be? Peter Kieffer planted a seed from a Sand pear tree, and it was pollinated by a nearby Bartlett pear tree. The effortless product that came grew in popularity for its mixed characteristics,…
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