Fruit Tree fruit increases in quality by 1 star per year of tree age after reaching maturity. Fruit trees will produce silver star fruit after one year, and gold star fruit after two years. After the third year fruit trees produce iridium quality fruit. | Fruit Tree fruit increases in quality by 1 star per year of tree age after reaching maturity. Fruit trees will produce silver star fruit after one year, and gold star fruit after two years. After the third year fruit trees produce iridium quality fruit. |