Emerald Green Arborvitae
Thuja occidentalis 'Smaragd Emerald'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Tree
Height
144 inches
Width
36 inches
Light
Full Sun
Zones
4, 5, 6, 7
Water
Moderate, drought-tolerant once established
Humidity
Average
Lifespan
50+ years
Native To
North America
Toxicity
Mildly toxic if ingested
The Story
Plant Bio
Thuja occidentalis 'Smaragd Emerald' is an evergreen conifer with dense, narrow, columnar growth and bright green foliage that maintains its color throughout the year, forming a striking vertical accent in gardens. This cultivar is prized for its vibrant emerald-green foliage and excellent tolerance for pruning, making it ideal for formal hedges and topiary designs.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select a sunny location with well-drained soil.
- Tuck seeds or cuttings into soil, water thoroughly.
- Maintain consistent moisture for 2 weeks after planting.
- Mulch around base to retain moisture and suppress weeds.
- Fertilize in early spring with a balanced fertilizer.
- Prune lightly in late winter to shape the shrub.
Pro Tip
Ensure good drainage and avoid overwatering for best results.
Keep It Thriving
Care Guide
Do
- Water regularly during dry periods 🌱
- Prune to maintain shape in late winter
- Mulch to conserve moisture
Don't
- Avoid overwatering ❌
- Don’t prune in late summer
- Avoid planting in poorly drained soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Emerald Green Arborvitae questions
What zones can Emerald Green Arborvitae grow in?
Emerald Green Arborvitae is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Emerald Green Arborvitae deer resistant?
Not reliably. Deer may browse Emerald Green Arborvitae, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Emerald Green Arborvitae bloom?
Emerald Green Arborvitae typically blooms in late spring through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Emerald Green Arborvitae need full sun?
Emerald Green Arborvitae does best in full sun (6+ hours).
More Thuja to compare
Green Giant Arborvitae
Thuja occidentalis 'Green Giant'
Emerald Green Arborvitae
Thuja occidentalis 'Emerald Green'
American Pillar Arborvitae
Thuja occidentalis 'American Pillar'
Degroot's Spire Arborvitae
Thuja occidentalis 'Degroot'
Eastern Arborvitae Western Arborvitae
Thuja occidentalis 'Columbia'
Fire Chief Arborvitae
Thuja occidentalis 'Fire Chief'
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Emerald Green Arborvitae with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
