Growth Rate
Moderate: The McNair Horsechestnut has a moderate growth rate. It typically grows about 1 to 2 feet per year under optimal conditions.
Size
Mature Height: Generally reaches a height of 20 to 40 feet.
Mature Spread: Has a spread of 20 to 30 feet, forming a rounded to oval crown.
Growing Conditions
Sunlight: Prefers full sun to partial shade.
Soil: Thrives in well-drained, fertile soil but can tolerate various soil types.
Watering: Requires regular watering, especially during dry periods. Mulching around the base helps retain moisture.
Hardiness Zones: Suitable for USDA hardiness zones 4-7.