Maturing at about 50 feet, Pioneer tends to produce a rounded crown. The U.S. Department of Agriculture has deemed it as disease resistant. The wider form of Pioneer makes it ideal for open areas. It is an excellent grower.
Hardiness Zones: 5-8 Habit: deciduous Growth rate: fast Ideal planting location: full sun; moist, well-drained soil; high drought tolerance. Form: Rounded to vase shape. Height: 50-60 feet Width: 50-60 feet Leaf: 2-4 inches; simple green leaves; yellow in fall.