Growth Rate
Moderate: Common Hornbeam 'Columnaris Nana' has a moderate growth rate. It typically grows about 12 to 18 inches per year under optimal conditions.
Size
Mature Height: It reaches a height of about 10 to 15 feet.
Mature Spread: The spread is narrower compared to other hornbeam varieties, typically around 3 to 5 feet.
Growing Conditions
Sunlight: Prefers full sun to partial shade.
Soil: Thrives in moist, well-drained soil. It can tolerate a range of soil types, including clay and alkaline soils.
Watering: Requires regular watering, especially during dry periods, to establish strong roots.
Hardiness Zones: Suitable for USDA hardiness zones 4-8.
Maintenance
Pruning may be required to maintain its narrow form and desired height.