Northern White-Cedar

Thuja occidentalis · Cupressaceae (Cypress family)

AI-generated identification · may be incorrect
Northern White-Cedar

Leaf Morphology

Leaf Type

Specialized scale-like evergreen leaves arranged in flat, fan-like sprays

Shape

Flat, tiny, overlapping scale-like leaves closely appressed to the flattened branchlets

Margin

Entire and smooth on individual scale leaves, with overlapping edges forming segmented margins along the sprays

Arrangement

Opposite, decussate scale leaves closely hugging the flattened, branching twigs

Venation

Parallel or obscurely branched due to the minute, scale-like nature of the foliage

Key Features

Flattened, fan-like spray of scale-like leaves, fragrant aromatic foliage when crushed, fibrous shredding reddish-brown bark, and tiny upright cones

Description

Northern White-Cedar is a medium-sized evergreen conifer featuring dense, scale-like foliage arranged in flat, fan-shaped sprays. The bark is reddish-brown and fibrous, peeling in narrow vertical strips. It produces small, oblong cones containing winged seeds and has a famously slow-growing yet long-lived habit.

Habitat

Thrives in moist to wet soils, often found in swamps, along streams, limestone cliffs, and damp forests, preferring alkaline soils and full sun to partial shade

Native Range

Native to eastern North America, spanning from southeastern Canada down through the Great Lakes region and into the northeastern United States, extending along the Appalachian Mountains

Identified on 10/11/2026