Growth Rate
Moderate: The Persian Spire Columnar has a moderate growth rate, typically growing about 12 to 18 inches per year.
Size
Mature Height: Reaches a height of 20 to 25 feet.
Mature Spread: It has a narrow spread of about 4 to 8 feet, making it ideal for tight spaces and vertical accents in the landscape.
Growing Conditions
Sunlight: Prefers full sun to partial shade.
Soil: Thrives in well-drained, fertile soil but can adapt to a variety of soil types.
Watering: Regular watering is necessary, especially during the establishment period. Once established, it is relatively drought-tolerant.
Hardiness Zones: Suitable for USDA hardiness zones 4-8.