Growth Rate
Moderate: The Flowering Cherry 'Autumnal' typically has a moderate growth rate, growing about 1 to 2 feet per year under optimal conditions.
Size
Mature Height: Reaches a height of 20 to 40 feet.
Mature Spread: Has a spread of 15 to 30 feet, forming a rounded, spreading canopy.
Growing Conditions
Sunlight: Prefers full sun to partial shade.
Soil: Thrives in well-drained, fertile soil with a slightly acidic to neutral pH. It can tolerate a range of soil types but performs best in moist, well-drained conditions.
Watering: Requires regular watering, especially during dry periods, to establish and maintain healthy growth.
Hardiness Zones: Suitable for USDA hardiness zones 5-8.