Below are 14 plant varieties and the planting information for each zone.
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Thuja occidentalis 'Smaragd' 'Emerald' Eastern Arborvitae
Upright, large evergreen shrub noted for its tight pyramidal shape and green foliage
Plant in full sun to light shade in rich, moist, but well-drained soil
Water regularly first season and in times of dry weather
Fertilize in mid spring with acid-based fertilizer
Dog urine may leave brown spots on foliage
Height: 12-15 feet; Width: 4-6 feet
Hardy in USDA zones 2-7(8):
Zone 2: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 3: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 6: Plant in spring or early fall; plant in full sun; apply extra mulch after first frost.
Zone 7: Plant in early fall; plant in full sun to light shade; apply extra mulch after first frost.
Zone 8: Plant in early fall; plant in full sun to light shade; apply extra mulch in fall.
Thuja occidentalis 'Hetz Midget' 'Hetz Midget' Eastern Arborvitae
Small, rounded evergreen shrub noted for its blue-green foliage, which bronzes in winter
Plant in full sun to light shade in rich, moist, but well-drained soil
Water regularly first season and in times of dry weather
Fertilize in mid spring with acid-based fertilizer
Dog urine may leave brown spots on foliage
Height: 2-4 feet; Width: 4-5 feet
Hardy in USDA zones 2-7:
Zone 2: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 3: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 4: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 5: Plant in spring to prevent winter heaving; plant in full sun; apply extra mulch after first hard frost; avoid contact with salt; avoid exposure to harsh winter wind.
Zone 6: Plant in spring or early fall; plant in full sun; apply extra mulch after first frost.
Zone 7: Plant in early fall; plant in full sun to light shade; apply extra mulch after first frost.
Gardening by Zip Code If you're looking to start a gardening projectbut don't know your gardening zonevisit the National Gardening Associations's USDA Hardiness Zone Finder. Enter your Zip Code to identify the proper zone.