Plant Selection
Tall Skinny Evergreen Trees for Small Yards and Tight Side Strips
Quick answer: For a narrow strip, the best tall skinny evergreen trees are Emerald Green arborvitae, Spartan juniper, Italian cypress, and Sky Pencil holly. All four hold a column shape just 2 to 6 feet wide at maturity, so they screen a property line without swallowing a walkway or crowding a fence.
Match the species to your USDA hardiness zone first, not just its shape. A cypress that thrives in a warm, dry region can die outright in a cold winter, and a cold-hardy arborvitae can struggle with southern heat and humidity. Arbor Buddy's privacy trees guide covers the broader category; this list narrows it to the varieties built for tight spaces.
- Mature width matters more than height when the strip is only a few feet wide.
- Emerald Green arborvitae and Spartan juniper are the two most reliable cold-hardy columns.
- Italian cypress is dramatic but only for warm, well-drained zones.
- Sky Pencil holly and narrow arborvitae cultivars fit strips as tight as 3 feet.
- Even narrow trees need air space off the fence and deep, regular watering while roots establish.
Emerald Green Arborvitae: The Classic Narrow Screen
Emerald Green arborvitae is the standard choice for a compact evergreen hedge, reaching 12 to 15 feet tall on a spread of only 3 to 4 feet. It holds a dense, flat-sided column naturally, so it needs little to no shearing to stay narrow.
It's rated for zones 3 through 7, which covers most of the northern two-thirds of the country, and it tolerates both full sun and partial shade better than most columnar evergreens. Extension publications commonly cite that same 3 to 4 foot mature width, which is why it's the default pick for property-line screens where space is tight. You can shop Emerald Green arborvitae sized for immediate screening rather than starting from a small sapling.
Spartan Juniper and Other Columnar Junipers for Narrow Spaces
Spartan juniper grows 15 to 20 feet tall and 3 to 5 feet wide, making it taller than Emerald Green arborvitae on a similar footprint. It's hardy in zones 4 through 9 and tolerates drought and deer browsing far better than arborvitae, which makes it a stronger pick for dry, sunny side yards.
Spartan juniper holds its tight column shape without regular pruning, unlike many junipers that splay with age. For an even narrower profile, the Skyrocket juniper tightens that spread down to roughly 2 to 3 feet on a silvery-blue column, useful where the strip is barely wider than a sidewalk.
Italian Cypress: A Dramatic Spire for Warm, Dry Regions
Italian cypress is the tallest option on this list, climbing 40 to 60 feet on a trunk just 3 to 6 feet wide, but it only belongs in zones 7 through 11. Cold winters below that range damage or kill it, so skip it anywhere that sees hard freezes.
In warm, dry climates it gives the sharpest, most formal column of any evergreen, which is why it shows up so often in Mediterranean-style landscaping. It wants well-drained soil; wet feet in heavy clay are a common cause of decline. Arbor Buddy carries Italian cypress for gardeners in those warmer zones who want that exact look without the risk of winter dieback.
Sky Pencil Holly and Narrow Arborvitae Options for Tight Spots
Sky Pencil holly is the narrowest broadleaf option here, topping out at 8 to 10 feet tall on a spread of just 2 to 3 feet. It's hardy in zones 5 through 9, grows slowly, and keeps its tight shape with almost no shearing, which makes it a good fit for a strip as narrow as 3 feet between a fence and a walkway.
For colder zones where Sky Pencil holly isn't reliable, narrow arborvitae cultivars like North Pole and DeGroot's Spire fill the same role. Both hold a slim column 10 to 15 feet tall on a 2 to 4 foot spread and handle zones 3 through 7 without the pruning upkeep a sheared hedge needs.
Tall Skinny Evergreen Trees Compared by Mature Size and Zone
| Tree | Mature H x W | USDA Zones | Best For |
|---|---|---|---|
| Emerald Green arborvitae | 12-15 ft x 3-4 ft | 3-7 | Cold-hardy hedge row |
| Spartan juniper | 15-20 ft x 3-5 ft | 4-9 | Dry, sunny strips |
| Skyrocket juniper | 15 ft x 2-3 ft | 4-8 | Extra-tight side yards |
| Italian cypress | 40-60 ft x 3-6 ft | 7-11 | Warm, dry climates |
| Sky Pencil holly | 8-10 ft x 2-3 ft | 5-9 | Very narrow 3 ft gaps |
| North Pole / DeGroot's Spire arborvitae | 10-15 ft x 2-4 ft | 3-7 | Cold zones, slim profile |
How to Plant Narrow Evergreens in a Tight Strip
Even a 3-foot-wide evergreen needs room off the fence and foundation, not a spot pressed right against them. Leave at least 2 to 3 feet of clearance so air can move through the foliage and roots have somewhere to spread besides straight down. Planting tight against a fence or wall traps moisture against the trunk and invites disease on the side that never gets airflow.
Check for buried utility lines and overhead wires before digging, especially along a property line where cable, gas, or sewer laterals often run. Use a spacing calculator to confirm how far apart to set multiple trees so the row fills in as a solid screen rather than leaving gaps.
Water deeply and consistently through the first year. A narrow planting strip has less soil volume than an open bed, so it dries out faster and gives roots less room to chase moisture on their own.
Every tree Arbor Buddy ships is matched to your ZIP code's hardiness zone before it ever leaves the nursery, and it's backed by the 1-Year Alive & Thrive Guarantee, so a tree that doesn't make it gets replaced at no cost. If you're ready to screen a side yard, shop narrow evergreen trees sized for the space you actually have.
FAQs
What is the best narrow privacy tree?
Emerald Green arborvitae is the most widely planted narrow privacy tree because it holds a tight 3 to 4 foot column, tolerates zones 3 through 7, and needs almost no pruning. Spartan juniper is a close second where drought tolerance and deer resistance matter more than cold hardiness.
How wide does Emerald Green get?
Emerald Green arborvitae typically reaches 3 to 4 feet wide at maturity, with a height of 12 to 15 feet. That narrow footprint is why it's the default choice for property-line screens in tight side yards.
What screens a 3-foot strip?
Sky Pencil holly, Skyrocket juniper, and narrow arborvitae cultivars like North Pole all stay within a 2 to 3 foot mature spread, making them suitable for a strip as tight as 3 feet. Give the trunk at least a foot of clearance on each side even at that width.
Do columnar trees need pruning?
Most columnar evergreens like Emerald Green arborvitae, Spartan juniper, and Sky Pencil holly hold their shape naturally and need little to no shearing. Occasional light trimming to remove a stray branch is normal, but heavy pruning isn't required to keep the narrow form.
How close to a fence can I plant?
Leave at least 2 to 3 feet between the trunk and a fence or foundation, even for a narrow evergreen. That gap allows airflow around the foliage and gives roots room to establish, which lowers the risk of disease and uneven growth on the fence-facing side.