A narrow, naturally tidy pyramidal conifer holding a rich emerald-green colour through winter. The benchmark plant for low-fuss formal screens and hedges in cool and temperate climates.
At a glance
- Plant type: Tree
- Mature size: 4 m H × 1.2 m W
- Aspect: full sun and part shade or morning sun
- Water: regular, moderate watering
- Frost: hardy
- Maintenance: low maintenance
- Origin: Exotic
About Emerald Green Arborvitae
Thuja occidentalis 'Smaragd' is a moderate-growing tree in the Cupressaceae family. It reaches around 4 m tall and 1.2 m wide at maturity, with evergreen foliage.
Where to grow Emerald Green Arborvitae
Emerald Green Arborvitae suits cool-temperate and warm-temperate climates and grows best in full sun and part shade or morning sun. It is frost hardy and shrugs off cold winters. It also is an award-winning selection.
Soil & planting
Emerald Green Arborvitae does best in free-draining and clay soil. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in. For a screen, space plants about 72 cm apart.
Watering & feeding
Emerald Green Arborvitae does best with regular, moderate watering. Apply a balanced fertiliser in spring to support healthy growth. New plantings need closer moisture checks in hot or windy weather, with watering tapered once strong new growth appears.
Pruning & care
Tip-prune Emerald Green Arborvitae in spring to maintain a dense, shapely habit. It clips well, so trim two or three times a year for a formal finish. Its ongoing care level is low maintenance.
Using Emerald Green Arborvitae in the garden
Emerald Green Arborvitae earns its place for a fast screen or informal hedge, a feature or specimen planting and pots and courtyard containers. It is equally at home in the ground or a large pot on a balcony or courtyard.
Companion planting & design
Build the planting around neighbours suited to the same regular, moderate watering and cool-temperate climate as Emerald Green Arborvitae. Repeating the foliage or flower colour nearby will make the composition feel deliberate.
Good to know
It is regarded as non-toxic and pet-safe.
Buying Emerald Green Arborvitae
Plant Sale lists Emerald Green Arborvitae as potted plants and advanced specimens. Use the interest form above to check current sizes, pricing and availability before ordering.