My Mastery is a button designated with a three star My Mastery icon. A player can access this button by clicking on Ribbons button. The My Mastery keeps track of many current FarmVille masteries including Crop Mastery, and Tree Mastery.
A number of trees are not currently included under the Trees tab, including Mandarin, Lychee, Arjuna, Cashew, Wild Cashew, Durian, Chanee Durian, Indian Laurel, Jackfruit, Singapore Jackfruit, Walnut, and White Walnut.