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THUJA occidentalis 'Nigra'

Image of Thuja occidentalis 'Nigra'

Jessie Keith

Family

Cupressaceae

Botanical Name

THUJA occidentalis 'Nigra'

Plant Common Name

Eastern Arborvitae, White Cedar

Special Notice

This entry has yet to be reviewed and approved by L2G editors.

General Description

Very tall with a narrow width, ‘Nigra’ is a dense, narrowly cone-shaped, evergreen large shrub originating from northeastern North America with deep, nearly blackish green foliage (especially in winter cold). This popular plant has tight sprays of soft, feathery, dark green foliage covering branches.

Arborvitae performs best in full to part sun and slightly acidic soil with average drainage. In winter it appreciates protection from severe sun and high winds, which can cause leaf scorch. Highly versatile, ‘Nigra’ is an excellent plant for a tall, impressive screen, hedge or windbreak row..

Characteristics

  • AHS Heat Zone

    7 - 1

  • USDA Hardiness Zone

    2 - 7

  • Sunset Zone

    A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 15, 16, 17, 21, 22, 23, 24

  • Plant Type

    Needled or Scaled Evergreen

  • Sun Exposure

    Full Sun

  • Height

    20'-30' / 6.1m - 9.1m

  • Width

    4'-8' / 1.2m - 2.4m

  • Bloom Time

    Spring

  • Native To

    Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, Canada

Growing Conditions

  • Soil pH

    Acidic, Neutral

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Pollution, Soil Compaction

  • Growth Rate

    Medium

  • Water Requirements

    Average Water

  • Habit

    Pyramidal

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Insignificant

  • Fruit Color

    Brown

  • Foliage Color (Spring)

    Green, Dark Green

  • Foliage Color (Summer)

    Green, Dark Green

  • Foliage Color (Fall)

    Green, Dark Green

  • Foliage Color (Winter)

    Green, Dark Green, Brown

  • Bark Color

    Brown, Sienna

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    Yes

  • Bark or Stem Fragrant

    Yes

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Medium

  • Foliage Sheen

    Glossy

  • Evergreen

    Yes

  • Showy Bark

    Yes

Special Characteristics

  • Bark Texture

    Exfoliating

  • Usage

    Feature Plant, Foundation, Hedges, Mixed Border, Screening / Wind Break

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Self-Sowing

    Yes