Shipping height range from 16" tall. Arborvitae: Green Giant (T. plicata x T. standishii) Growth Habit: Pyramidal evergreen tree. Foliage: Medium to dark green. Mature Height: 30-50 feet. Mature Width: 12-16 feet. Spacing: 4-8 feet apart; every 5 feet for a privacy screen. Growth Rate: 2-3 feet; once well established. Sun Exposure: Full sun to partial shade. Soil Conditions: Prefers deep well-drained soil; adaptable to a wide range of soil conditions. Tolerances: Drought once well established. Deer should not be a problem. Pruning/Trimming: Trimmed to a desired height and/or sheared in the fall, but not necessary. Fertilizer: Suggest a well-balance fertilizer like a 10-10-10 or 13-13-13. Feed in spring and fall. Uses: Decorative accent and ideally for wind or privacy screen. Moisture: Regular water schedule to ensure the growth of a mature root system. After the mature root system is established, watering is needed occasionally, except during a drought, watering is needed regularly. Hardiness Zone: 5-8. The Thuja Green Giant is a X cultivar of the Thuja Plicata as a hybrid T. plicata/ T. standishi.