Trees

Western red cedar

Thuja plicata

Western red cedar is the giant of the Pacific Northwest; a towering, aromatic evergreen with deep cultural significance, feathery foliage, and the kind of long-term presence that defines a landscape for centuries.

Western red cedar shown in a temporary reference photo.

Field notes and observations

The Tree of Life

Indigenous peoples of the Pacific Northwest call western red cedar the Tree of Life, and once you understand how many ways they used it; canoes, longhouses, clothing, baskets, medicine, rope, ceremonial objects; the name makes perfect sense. No other tree in this region has been as central to human culture for as long. Growing western red cedar is growing a piece of living history that stretches back thousands of years.

At The Patient Garden in Fairview, in Fairview, our western red cedar stands in the deepest, most sheltered part of the garden. It's the tree that most clearly says "this is the Pacific Northwest"; its scent, its scale, and its presence connect this small urban garden to the vast old-growth forests of the Coast Range and Cascades.

Recognizing Western Red Cedar

Despite the common name, western red cedar isn't a true cedar (Cedrus); it's in the cypress family. The foliage is made up of flat, overlapping scale-like leaves arranged in fan-shaped sprays. Crush a sprig between your fingers and you get that unmistakable cedar scent; warm, spicy, slightly sweet. It's the smell of the Pacific Northwest woods.

The bark is thin, fibrous, and reddish-brown, peeling in long vertical strips on mature trees. In old-growth forests, the trunks develop a dramatic flared base that can be eight to twelve feet in diameter. The crown is narrowly conical when young, broadening somewhat with age, often with a slightly ragged top that gives big specimens a wild, ancient look.

Cultural Significance

It's impossible to talk about western red cedar without acknowledging its profound importance to Indigenous peoples of the Pacific Northwest. The Kalapuya, who are the original inhabitants of the Willamette Valley where Salem sits, and coastal nations like the Chinook, Haida, Tlingit, and Coast Salish all relied on this tree extensively.

The wood is naturally rot-resistant, lightweight, and easy to split; perfect for canoes, longhouses, totem poles, and bentwood boxes. The inner bark was processed into clothing, baskets, and rope. The boughs were used medicinally and ceremonially. This relationship between people and tree goes back at least ten thousand years.

Growing western red cedar in a garden that sits in Fairview feels particularly meaningful. This land has its own complex history, and planting a tree with such deep cultural roots is one small way of honoring the much longer human story of this place.

Long-Term Scale

Let's be direct about size. In the wild, western red cedar is one of the largest trees in North America. Old-growth specimens in the Olympic Peninsula and coastal British Columbia exceed two hundred feet tall with trunks over ten feet in diameter. These are trees that were old when Columbus sailed.

In a garden in Salem, western red cedar won't reach those dimensions; but it will still become a very large tree. Expect forty to sixty feet tall and fifteen to twenty-five feet wide in a residential landscape over thirty to fifty years. In ideal conditions with enough moisture and time, it can go considerably larger.

This is a commitment. Plant western red cedar only if you have room for a large evergreen and you're comfortable with the shade it will cast. Don't plant it under power lines or within twenty feet of foundations. Do plant it where you want a permanent, defining presence; the kind of tree that will still be growing long after you're done gardening.

Moisture Needs

Moisture is the critical factor for western red cedar in Salem. In the wild, it grows where annual rainfall exceeds sixty inches; in stream valleys, wet bottomlands, and the fog-drenched coastal strip. Salem's forty inches of rain, concentrated in winter, leaves a significant moisture deficit in summer.

On Fairview clay, the soil's heavy texture is actually helpful. Clay holds moisture far longer than sandy or loamy soil, keeping the root zone damp well into June. But July and August will still stress a young western red cedar without supplemental water.

Plan on deep watering once a week through the dry months for the first five years at minimum. After that, established trees on clay may survive without irrigation in normal summers, but they'll look and grow better with occasional deep soaks during extended dry spells. The foliage can bronze and thin during severe drought; not fatal, but a sign the tree is stressed.

Mulch heavily; a six-foot radius minimum; with bark or arborist chips. The mulch conserves moisture, moderates soil temperature, and gradually adds the organic matter that cedar roots appreciate.

Growing on Fairview Clay

Western red cedar's root system is moderately shallow and spreading, which works well on the compacted Fairview clay. The roots don't need to penetrate deep into the hardpan; they spread laterally through the better upper layers of soil.

Amend the planting hole with compost, but as with other trees on this site, keep the amendment moderate so roots transition to native soil rather than circling in a pocket of rich mix. The wide mulch ring is more important than the planting hole amendment; it improves the entire root zone over years rather than just the initial planting spot.

Avoid the very lowest, most waterlogged spots. Western red cedar tolerates moist soil but not sustained winter flooding. A spot with some gentle grade or elevation keeps the root crown from sitting in standing water during the heaviest rains.

The Aromatic Garden

One of the best things about western red cedar is the scent. On a warm day, the foliage releases that characteristic cedar fragrance into the surrounding air. After rain, the smell intensifies. Brushing past the lower branches as you walk through the garden is one of those small sensory pleasures that makes the whole space feel more alive.

Plant it near a path or sitting area where you'll pass close enough to catch the scent. At The Patient Garden, our cedar stands beside the path to the back of the garden, so every visitor walks through its fragrance on the way in.

Wildlife Value

Western red cedar provides outstanding year-round habitat. The dense, aromatic foliage offers shelter for birds in every season; winter roosting sites, spring nesting cover, and year-round protection from predators. The tiny cones produce seeds eaten by chickadees, juncos, and other small birds. The fibrous bark provides nesting material and supports insect communities that feed bark-foraging birds.

In the broader landscape, cedar groves are among the most biodiverse habitats in the Pacific Northwest. Even a single cedar in a garden contributes to the urban canopy that sustains bird populations across the neighborhood.

Companions

At The Patient Garden, our western red cedar grows with sword fern, salal, and native huckleberry; the plants that grow alongside it in wild Pacific Northwest forests. This combination is low-maintenance, ecologically coherent, and deeply beautiful in a quiet, understated way. It doesn't demand attention the way a perennial border does, but it gives the garden its soul.

Growing History

Planting a western red cedar in Fairview is planting a tree that will outlive everyone reading this. It's a commitment to the future of this place; to the idea that a garden can be more than decoration, that it can be a living connection between the deep past and the long future. That's the most patient gardening there is.

Field notes and observations

Field notes

Plant in the most sheltered spot with some shade protection; north or east side of larger trees or structures. Fairview clay's moisture retention helps, but supplemental summer water is essential. Avoid the most exposed, sun-baked locations.

Neighborhood observations

In The Patient Garden, our western red cedar stands near the garden's north edge where it catches the least afternoon sun. The scent beside the path is a favorite feature; visitors comment on it year-round, especially after rain.

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