Tall Hedges: The Emerald Green Arborvitae, Thuja occidentalis 'Smaragd' - (second photo) Evergreen, dark green foliage, easy to prune to desired height. Thuja Occidentalis Brabant, Thuja Occidentalis Smaragd, Thuja Smaragd, Garden Beds, Garden Plants, Emerald Green Arborvitae, Privacy Landscaping, White Picket Fence, Landscape Plans