Plum, Stanley - European Plum, 7 gal'Stanley' is as decorative as it is productive, with a dense, rounded form and an extremely profuse, fragrant show of single white flowers in early May. Tree Features: Bloom Color: White Bloom Time: mid Spring Mature Height: 8 20 ft Mature Spread: 8 20 ft Harvest: Medium sized fruit in September Zone: 5 8 Pollination: Self fertile, but cross pollination by a different variety of mid Spring blooming European plum tree within 50 feet is key to its