Avocado Tree Seed(pit) Also Known As Pear , Butter Fruit, Butter Pear ! Avocado Tree Seed(pit) also known as Pear ,butter fruit, butter pear Avocado Tree Seed also known as Pear ,butter fruit, butter pear and laurel peach - 2 Seeds. Makes Great House Plant ! Planting your own avocado tree is fun and easy. It is a perfect task for all ages - for the garden, for indoors, and also makes a great project for class or at home!