Kieffer Pear TreeKieffer Pear Tree The Heirloom Pear Built to Last The Kieffer Pear Tree has been a staple of American home orchards for over 150 years and its easy to see why. Exceptionally disease resistant, self fertile, cold hardy, and heat tolerant, Kieffer thrives across a wider range of climates than almost any other pear variety. It produces large, golden yellow pears with crisp, gritty flesh thats ideal for canning, preserving, and cooking and it does so with