The "Emerald Green Arborvitae Spiral" refers to a specific ornamental plant created through topiary or pruning techniques. The Emerald Green Arborvitae, scientifically known as Thuja occidentalis 'Smaragd,' is a popular evergreen shrub known for its dense, upright growth and vibrant green foliage. When shaped into a spiral form, it becomes a unique and visually striking feature in landscaping.

Here are some key features and information about the Emerald Green Arborvitae Spiral:

1. Plant Type: Emerald Green Arborvitae is a compact, conical evergreen shrub that belongs to the cypress family (Cupressaceae).

2. Foliage: The foliage of the Emerald Green Arborvitae is bright green, and it maintains its color throughout the year. The leaves are scale-like and arranged in flattened sprays.

3. Size: In its natural form, the Emerald Green Arborvitae can reach a height of 8 to 12 feet with a spread of 3 to 4 feet. However, when shaped into a spiral, the height may vary based on the specific design and the age of the plant.

4. Spiral Form: The spiral form is achieved through careful pruning and training of the arborvitae's branches. Skilled horticulturists or nurseries create these spiral shapes for ornamental purposes.

5. Sun Requirements: Emerald Green Arborvitae prefers full sun to partial shade. Adequate sunlight is essential for maintaining its compact form and lush green color.

6. Soil: Well-drained soil is ideal for this arborvitae. It is adaptable to various soil types and pH levels.

7. Hardiness: Emerald Green Arborvitae is hardy in USDA Hardiness Zones 3 to 8.

8. Landscape Use: The spiral form of the Emerald Green Arborvitae is often used as an eye-catching focal point in gardens, landscapes, or containers. It can be placed as a standalone specimen or incorporated into a larger design.

9. Maintenance: Regular maintenance, including pruning to maintain the spiral shape and size, is necessary. However, arborvitae, in general, is relatively low-maintenance.

When using the Emerald Green Arborvitae Spiral in your landscaping, consider its mature size, sunlight requirements, and soil preferences. Proper care, including watering, occasional fertilization, and monitoring for pests, contributes to the health and longevity of the plant.