Trees and shrubs

Arborvitae 'Primo'

Thuja occidentalis

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Exposure
Sun to partial shade
Hardiness
Zone 3

Discover the plant

Common nameNorthern white cedar
FamilyCupressaceae
GenusThuja
Specieswestern
CultivarFirst
TypeConiferous
Botanical nameThuja occidentalis

‘Primo’ American Arborvitae (Thuja occidentalis ‘Primo’). Thuja occidentalis ‘Primo’, commonly known as ‘Primo’ American arborvitae, is an evergreen conifer with a narrow, pyramidal habit, selected for its exceptional density and rapid growth. It naturally forms a compact column with lustrous dark green foliage, maintaining a beautiful color all year round with a slight bronze tint in winter. Thanks to its uniform and well-structured silhouette, it is an excellent choice for privacy hedges, visual screens, or aligned plantings. Its vigor allows for quick and effective separation while maintaining a controlled width.

To plant ‘Primo’ American arborvitae, choose an appropriate exposure: sun to partial shade. The recommended soil is as follows: fresh, well-drained, tolerates ordinary soil. Respect the conifer's natural silhouette and avoid cutting deep into parts without foliage. Monitor moisture after planting, including in the fall when the weather is dry. Aeration and drainage are as important as watering frequency. Water the root ball before planting it in the ground and ensure that water can drain after planting. During establishment, check the moisture by hand before watering again.

Allow a width of 1 m (3 ft) to arrange this plant's space in the garden. The indicated height of 4 m (13 ft) helps choose its position relative to neighboring plants. Maintain access to the base to weed, check moisture, and remove damaged parts. Combine this variety with plants whose light and water needs are compatible. If you are considering a container, first check that its volume and drainage are suitable for root development. Potted roots are more exposed to cold than those planted in the ground.

Thuya occidental ‘Primo’ (Thuja occidentalis)

Soil and care

The right care,at the right time.

Minimum temperature

'-40°C

Watering

Regular watering

Soil type

Acidic to slightly acidic, moist to well-drained

Fertilization

Slow-release fertilizer in spring. Fertilize monthly or as directed on the bag. Not recommended – use Bionik rooter or bone meal.

Bloom and dimensions

Its place,in your garden.

Mature height

1 to 1.2 m (39 to 48 inches)

Width / spread

1 m (3 feet)

Foliage color

Green

Foliage type

Persistent

Growth rate

very slow

Growth habit

Dense narrow pyramidal

Bloom period

Not significant

Fruiting

Dried fruits are not abundant.

Wildlife and pets

Life,around your plants.

Supporting wildlife

No