Species: Thuja plicata

(thu'ya pli-kay'tah)

Western or Giant Arborvitae

Found on Course Walks

Evergreens with Scales

Map of plant locations

(Plant location data may be incomplete)

In Collection(s):

None Listed

Cultivars

Many cultivars and varieties exist for this west coast native. Below is a selection of what this species has to offer.

'Atrovirens', 'Can Can', 'Canadian Gold', 'Canadian Gold', 'Clemson Select', 'Collyer's Gold', 'Copper Kettle', 'Cuprea', 'Elegantissima', 'Fastigiata', 'Green Giant', 'Green Sport', 'Pumila', 'Sunshine', 'Whipcord', 'Zebrina', 'Zebrina Extra Gold'

Ornamental Characteristics

Size: Tree > 30 feet

Height: 50' - 75' (15' - 25' spread)

Leaves: Evergreen

Shape: narrow to broad/pyramidal

Environmental Characteristics

Light: Full sun, Part shade, Shade

Hardy To Zone: 4a

Soil Ph: Can tolerate acid to alkaline soil (pH 5.0 to 8.0)

Environmental Other: Prefers fertile soils; shade to full sun

Moisture Tolerance: Consistently moist, well-drained soil; Occasional periods of dry soil
See graphic below

Insect Disease

bagworm and heart rot but not as susceptbile as T.occidentalis

Bare Root Transplanting

Difficult

Other

native from Alaska to northern California and Montana; transplant easily B & B or from container

Native Range Map

Moisture Tolerance Graphic

Please view this page on a tablet or larger screen for the moisture graph

Moisture Tolerance

Moisture graphic

Occasionally saturated or very wet soil

Consistently moist, well-drained soil

Occasional periods of dry soil

Prolonged periods of dry soil

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