What makes heirloom fruit trees so special? Their historical significance, for one. These varieties are the fruits of old that were probably grown by your great-great-great grandparents… and perhaps even their great-grandparents! Unusual varieties known more for their taste than their polished looks, heirloom fruit trees offer the home orchardist a chance to experience classic fruits that are no longer on the public radar. Add an heirloom fruit tree to your yard and bite into a taste of history!