Green Giant Western Arborvitae. If you have more ground to cover then consider this large Thuja. Thuja Vs Leyland Which Privacy Tree Wins Arborvitae Landscaping Leyland Cypress Thuja Green Giant Pyramidal arborvitaes make outstanding specimen natural screens and tall hedges. Emerald green giant arborvitae . 44 Pick Up 50 Delivered Starting a 70. Its uniform shape seldom needs pruning but responds well to shearing. They thrive in many regions in this country with some varieties that do well in USDA plant hardiness zones 3 to 11 though more varieties grow in the cooler zones than the warmest ones. In a backyard environment trees and shrubs compete for available nutrients and may require fertilizer to keep them healthy. The Arborvitae Green Giant is a large vigorous fast growing evergreen. Green Giant Arborvitae Description Container Sizes Warranty Information Shipping Information USDA Hardiness Zones 5 - 8 Height 40 - 60 Feet Spread 12 - 18 Feet Partial Sun to Full Sun The G...