Evergreen treePrivacy screenHedgeSmall spaceSpecimenDrought tolerantNative

Emerald Green Arborvitae

Thuja occidentalis ‘Smaragd’ · a narrow evergreen arborvitae

The go-to narrow evergreen for a dense, formal hedge or privacy screen, with naturally thick foliage that holds its emerald green through the coldest winters and needs little pruning. It handles heat and humidity too. It wants loamy, well-drained soil with steady moisture, and it isn't deer resistant.

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Emerald Green Arborvitae: whole plant
Photo: Puchatech K., CC BY-SA 3.0, via Wikimedia Commons
Mature size
13 × 3.5 ft
4 × 1.1 m, tall × wide
Hardiness
Zones 3a–7b
USDA
Sun
Full sun to part shade
Water
Dry to moist

Emerald Green Arborvitae at its mature size

A mature Emerald Green Arborvitae grows 12 to 15 feet tall and 3 to 4 feet wide, taller than most people.

Drawn to scale beside a 5 ft 9 in person. With VeraScape, you see it at this size in your own yard.

Typical mature size, unpruned. Sources: InstantHedge, greatgardenplants.com.

Through the year

What Emerald Green Arborvitae looks like month by month in a typical zone 6–7 garden.

In leaf · Year-round

Bright emerald-green flat foliage sprays, holding colour in winter.

Photos

Emerald Green Arborvitae: whole plant
Whole plant · Puchatech K., CC BY-SA 3.0, via Wikimedia Commons
Emerald Green Arborvitae: whole plant
Whole plant · Famartin, CC BY-SA 4.0, via Wikimedia Commons
Emerald Green Arborvitae: detail
Detail · メルビル, CC BY-SA 4.0, via Wikimedia Commons

Growing Emerald Green Arborvitae

Grows well in
The Northeast, the Midwest, the Plains and Mountain West, and the Pacific Northwest.
Growth rate
Slow
Good for
Privacy screen, hedge, small space, specimen, and drought tolerant
Leaves
Evergreen
Native to
Eastern and Central Canada and North-Central and Eastern United States

Spacing for a hedge

VeraScape spaces plants so their grown canopies just touch. For Emerald Green Arborvitae, that’s about 3.5 ft apart, center to center.

Place a row in your own yard and VeraScape spaces them at their mature width, so you can see whether they’ll crowd the walk.

Other arborvitaes

All drawn to the same scale.