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. Dig in plenty of compost before planting, water in well, and mulch to keep roots cool. For a screen, space plants about 72 cm apart.
Watering & feeding
Emerald Green Arborvitae is regular, moderate watering. A feed in spring with a balanced fertiliser keeps growth strong. In its first year, water deeply once or twice a week to settle the roots in, then taper off as it establishes.
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. Overall it 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
For a cohesive, low-care bed, pair Emerald Green Arborvitae with other plants that enjoy the same regular, moderate watering and cool-temperate climate. Group three or five together for impact rather than dotting single plants through the garden.
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. Stock isn't live yet — register your interest using the panel above and we'll email you the moment we have it ready.