Alphabetical Plant Listing

Thuja 'Green Giant' (Arborvitae)

Green Giant Arborvitae, Thuja plicata x standishii 'Green Giant'


Tall and narrow, Thuja standishii × plicata ‘Green Giant’ (Arborvitae) is a majestic, evergreen tree of conical to pyramidal habit with sprays of rich glossy green foliage year-round. Fast-growing, up to 5 ft. per year (150 cm), it is regarded as a disease-free substitute for Leland cypress. Forming a majestic exclamation point in the landscape, it is excellent as a specimen plant and for screens or hedges. 

  • Grows up to 40-60 ft. tall (12-18 m) and 12-18 ft. wide (3.5-5.5 m). Can be kept more compact by pruning.
  • A full sun lover, this plant is easily grown in moist, fertile, well-drained soils. Usually appreciates some light afternoon shade in hot summer climates. Thrives in cool summer climates. Intolerant of dry conditions. Protect from drying winds especially when young.
  • Perfect as specimen plant or hedges and screens.
  • No serious insect or disease problems. May be affected by scale insects, conifer aphids and coryneum canker.
  • Low maintenance, no pruning required, unless grown as a hedge
  • Propagate by semi-hardwood cuttings
  • Native to the Pacific Northwest

Arborvitae is one of the most versatile, easy-to-grow evergreens suited to cold northern landscapes. Perfect as specimen plants, hedges, foundation plantings and windbreaks, these attractive shrubs require hardly any maintenance while contributing beautifully to our landscapes.

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Requirements

Hardiness 5 – 8
Heat Zones 6 – 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A3
Plant Type Conifers, Trees
Plant Family Thuja
Exposure Full Sun
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 40' – 60' (12m – 18m)
Spread 12' – 18' (3.6m – 5.4m)
Spacing 60" – 72" (150cm – 180cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen
Attracts Birds
Garden Uses Beds and Borders, Hedges and Screens
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden

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Photo courtesy of Missouri Botanical Garden

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 8
Heat Zones 6 – 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A3
Plant Type Conifers, Trees
Plant Family Thuja
Exposure Full Sun
Season of Interest Spring (Early,Mid,Late)
Summer (Early,Mid,Late)
Fall
Winter
Height 40' – 60' (12m – 18m)
Spread 12' – 18' (3.6m – 5.4m)
Spacing 60" – 72" (150cm – 180cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen
Attracts Birds
Garden Uses Beds and Borders, Hedges and Screens
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden

Great Plant Combination Ideas with Thuja

Guides with Thuja

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