A living privacy screen transforms a yard, but the wrong arborvitae can leave you with bare patches and years of waiting. The best varieties combine rapid height gain, dense year-round foliage, and reliable hardiness across diverse climates.
I’m Mohammad Maruf — the founder and writer behind Gardening Beyond. I analyze horticultural data, compare mature-growth specs, and synthesize owner feedback to find the arborvitae that deliver on their promises without constant fuss.
This guide cuts through the confusion of similar names and container sizes to help you confidently choose the right trees for your property line or garden border. Whether you need a living fence for privacy or a windbreak, choosing the best dark green american arborvitae saves you years of trial.
How To Choose The Best Dark Green American Arborvitae
Not all arborvitae are created equal. The two main types you will encounter are the narrow, columnar Emerald Green and the fast, pyramidal Green Giant. Your choice depends on the mature height you need, the width your space allows, and how quickly you want a solid screen. Beyond variety, pay close attention to the container size and root system — a well-rooted plant in a larger pot establishes faster and faces fewer transplant setbacks.
Mature Height and Spread
Emerald Green arborvitae typically top out around 15 to 20 feet tall with a spread of only 5 to 6 feet, making them ideal for tight spaces along foundations or narrow side yards. Green Giants, on the other hand, can soar from 40 to 60 feet tall and spread 15 to 20 feet wide. If you have room for a larger tree, the Green Giant provides a denser, faster screen, but it requires proper spacing to avoid overcrowding.
Hardiness and Sunlight Requirements
Most arborvitae thrive in full sun to partial shade and are hardy in USDA zones 3 through 8. Green Giants prefer zones 5 through 9 and are exceptionally adaptable to different soil types. Check your local zone before ordering, as some cultivars struggle in extreme heat or bitter winters. Consistent moisture during the first growing season is critical for root establishment, regardless of the variety.
Quick Comparison
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| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| 10 Thuja Green Giant | Bulk Sapling | Affordable large-screen start | 10 plants, 7-10 in. | Amazon |
| Green Promise Farms Emerald Green | Container Hedge | Narrow columnar privacy | 3-gal pot, 18-20 ft | Amazon |
| Green Promise Farms Green Giant | Fast Screen | Rapid tall hedge | 3-gal pot, 30-50 ft | Amazon |
| Florida Foliage Thuja Green Giant | Starter Trio | Small yard test run | 3 plants, fast growth | Amazon |
| Brighter Blooms Emerald Green | Premium Hedge | Instant high-impact privacy | 3-4 ft tall plant | Amazon |
| Perfect Plants Thuja Green Giant 8-Pack | Bulk Fast Screen | Large property lining | 8 plants, 2 ft | Amazon |
| 25 Thuja Green Giant | Mass Planting | Scale economy for acreage | 25 plants, 8-14 in. | Amazon |
In‑Depth Reviews
1. 10 Thuja Green Giant Arborvitae 7-10 inches Tall Trees
This pack of 10 saplings offers the best balance of value and volume for anyone looking to establish a long privacy screen without a major upfront investment. Each plant arrives in its soil and container at a manageable 7 to 10 inches tall, giving you a strong start before they hit their stride of up to 3 feet of growth per year.
The Green Giant is known for its impressive mature size of 40 feet tall and 15 feet wide, so proper spacing of 6 to 7 feet apart is essential. It is hardy in zones 5 through 9 and tolerates a range of soil conditions. For the price per plant, this option is hard to beat for covering long property lines.
Owners consistently report a high survival rate when planted in spring and watered regularly during the first season. The seller includes a five-day guarantee, though replacements are subject to shipping costs. For a budget-friendly entry into a mature evergreen screen, this is a solid choice.
What works
- Excellent value for a large quantity
- Fast growth potential of 3 feet per year
- Potted in soil for easier transplant
What doesn’t
- Saplings are small at 7-10 inches
- Limited guarantee window
2. Green Promise Farms Thuja occidentalis Emerald Green Arborvitae #3 Size
The Emerald Green arborvitae is the go-to choice for a neat, narrow hedge that doesn’t outgrow its space. This specimen arrives in a substantial 3-gallon container, giving it a robust root system that settles in quickly. Its mature height of 18 to 20 feet with a spread of just 5 to 6 feet makes it perfect for tight spaces.
The rich emerald foliage stays vibrant year-round, and its natural columnar habit eliminates the need for frequent pruning. It is hardy in zones 3 through 8 and thrives in both full sun and partial shade. This size container is ideal for planting in spring for immediate visual impact.
Gardeners appreciate the sturdy 30-inch plant height at delivery, which offers a head start compared to smaller plugs. The foliage is soft to the touch, and the tree maintains a tidy shape even without trimming. It is a reliable choice for a structured, formal privacy screen.
What works
- Excellent narrow shape for tight spaces
- Large 3-gallon pot for strong roots
- Low maintenance and no pruning needed
What doesn’t
- Slower growth than Green Giant
- Single plant, not a bulk pack
3. Green Promise Farms Thuja-X Green Giant Evergreen Tree (Western Arborvitae)
This Green Giant from Green Promise Farms is a powerhouse for rapid screening. It grows faster than most evergreens, quickly reaching 30 to 50 feet tall with a spread of 12 to 16 feet. The medium green, feathery foliage is dense enough to block wind and provide substantial privacy within a few years.
It arrives fully rooted in a 3-gallon container and can be planted immediately in zones 4 through 8. The tree adapts to various soil types and tolerates both sun and partial shade. Its natural pyramidal shape adds a classic, formal look to any landscape.
Many homeowners use this as a cornerstone for a mixed hedge. The fast growth rate means you get a taller screen sooner, but it requires a bit more space than the columnar Emerald Green. Regular watering during the first month is key to avoiding transplant shock.
What works
- One of the fastest-growing evergreens
- Large, established root system in a 3-gallon pot
- Adaptable to sun and partial shade
What doesn’t
- Requires plenty of horizontal space
- Single plant, less economical for bulk
4. Florida Foliage Thuja Green Giant | 3 Live Plants
This three-plant pack is a perfect entry point for gardeners who want to test a small hedge or border without committing to a large quantity. Each tree is a fast-growing Green Giant, capable of reaching impressive heights with feathery, vibrant green leaves that stay lush year-round.
The plants are low-maintenance and adaptable, thriving in full sun to partial shade. They are ideal for windbreaks, garden accents, or a small privacy screen. The 5-pound shipping weight indicates a decent starter size that will need consistent watering during its first month to establish strong roots.
Compared to larger bulk packs, this trio allows you to space them strategically or use them as anchor plants. The year-round planting flexibility is a plus. For a budget-friendly trial run of the Green Giant variety, this is a practical choice.
What works
- Great for a small test hedge
- Fast-growing and adaptable
- Can be planted year-round
What doesn’t
- Only 3 plants per pack
- Specific care instructions for first month
5. Brighter Blooms Emerald Green Arborvitae, 3-4 ft.
For instant privacy with a refined look, this 3 to 4-foot Emerald Green arborvitae from Brighter Blooms is a standout. It arrives as a substantial specimen that already makes an impact in the landscape. The narrow, upright shape naturally forms a tidy hedge without any pruning, which is a major time saver.
It adapts effortlessly to varying soil types and weather extremes, making it a reliable performer in zones 3 through 8. The deep emerald green color holds well through winter, providing year-round screening. It is ideal for foundations, tight corners, or as a decorative accent.
While the upfront cost is higher than smaller plants, you save years of waiting for a mature screen. The included plant warranty covers damage during delivery. Note that this product has shipping restrictions for Arizona, so check availability before ordering.
What works
- Large, established plant for instant impact
- Narrow, no-prune natural shape
- Excellent cold hardiness
What doesn’t
- Higher price per plant
- Shipping restrictions apply to some states
6. Perfect Plants Thuja Green Giant 2ft. Tall 8-Pack
This 8-pack of 2-foot tall Green Giants strikes an excellent balance between plant size and quantity. Each tree is already a substantial height, which reduces the gap between planting and a full privacy screen. The Thuja Green Giant is renowned as one of the fastest-growing privacy trees for most of the United States.
The dense, dark green foliage releases a pleasant Christmas tree scent when crushed. It thrives in zones 5 through 9 and is adaptable to various conditions. At full maturity, these trees can reach up to 60 feet tall, but they can be pruned to a desired height.
For homeowners looking to cover a long stretch of property, this pack offers a strong start without the wait of tiny saplings. The trees are easy to care for once established. Some owners note that occasional watering is needed during dry spells, but overall maintenance is minimal.
What works
- Strong 2-foot starter plants
- Fast growth once established
- Large 8-pack for bulk coverage
What doesn’t
- Heavy shipping weight (25 lbs)
- Requires regular watering until established
7. 25 Thuja Green Giant Arborvitae 8-14″ Tall Trees
When you need to cover a long fence line or a large property border, this 25-pack of Green Giant saplings is the most cost-effective option. Each tree is 8 to 14 inches tall and arrives potted in soil, ready for transplant. With a growth rate of up to 3 feet per year, this pack can fill a substantial area in just a few seasons.
The trees are very hardy in zones 5 through 9 and tolerate sandy soil types. At maturity, they can reach 40 feet tall and 15 feet wide, creating an imposing, dense screen. Space them 6 to 7 feet apart for a quick hedge.
This is a long-term investment for the patient gardener. The saplings require good initial care, including consistent moisture. Because of the sheer number, it is wise to prepare your planting area thoroughly before they arrive. For sheer scale and value, this pack is unmatched.
What works
- Best value for very large plantings
- Fast growth rate of 3 feet per year
- Hardy in zones 5-9
What doesn’t
- Small 8-14 inch saplings require patience
- Significant labor to plant 25 trees
Hardware & Specs Guide
Mature Size:
Emerald Green arborvitae stays narrow at 18-20 ft tall x 5-6 ft wide. Green Giants can reach 40-60 ft tall x 15-20 ft wide. Choose based on your available space and desired privacy level.
Sunlight and Soil:
Both types thrive in full sun to partial shade and adapt to various well-draining soils. Green Giants are more tolerant of sandy soils. Consistent moisture is critical during the first month after planting, regardless of variety.
FAQ
How do I prevent my arborvitae from turning brown?
What is the best spacing for a privacy hedge?
How fast will my Green Giant arborvitae grow?
Final Thoughts: The Verdict
For most gardeners, the best dark green american arborvitae winner is the 10 Thuja Green Giant Arborvitae because it offers the perfect mix of rapid growth, hardiness, and bulk value without a huge upfront cost. If you want a narrow, formal hedge that never needs pruning, grab the Brighter Blooms Emerald Green Arborvitae. And for covering a large property line on a budget, nothing beats the 25 Thuja Green Giant Arborvitae.