Trees Active during the day

coast redwood

Sequoia sempervirens

iNaturalist Wikipedia

The coast redwood is a living skyscraper, standing as the tallest tree on Earth and a silent witness to centuries of history. These evergreen giants create unique, fog-drenched ecosystems found nowhere else on the planet.

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Quick Identification

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Size

Height up to 115.9 m (380 ft); trunk diameter up to 8.9 m (29 ft); can weigh over 800 metric tons.

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Colors

Cinnamon-red to deep brown fibrous bark; dark green needles with two silvery stomatal bands underneath.

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Key Features

World's tallest living tree species
Fibrous, deeply furrowed reddish bark up to 12 inches thick
Flat, needle-like leaves arranged in two flat rows
Small, woody egg-shaped cones 0.75 to 1.25 inches long

When You’ll See Them

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Activity pattern Active during the day

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Peak hours Daylight hours for photosynthesis

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Season Year-round

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Diet Self-sustaining through photosynthesis; uniquely adapted to absorb atmospheric moisture (fog) directly through its needles.

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Habitat Coastal fog belts, humid valleys, and temperate rainforests within 50 miles of the ocean.

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Where Does the coast redwood Live?

Native to the North American continent, the coast redwood thrives in a remarkably narrow strip along the Pacific Coast. Its natural range begins in the southwestern corner of coastal Oregon and extends southward for about 450 miles to the Santa Lucia Mountains in Monterey County, California. This species is rarely found more than 50 miles inland, as it depends on the cool, moist air and consistent summer fog provided by the Pacific Ocean to survive.

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1 Countries

8.9K km² Range

Endangered Conservation

US United States

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iNaturalist / Verified observation data

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Behavior

Coast redwoods are among the most resilient and long-lived organisms on the planet, with some individuals surviving for over 2,000 years. Their survival strategy is inextricably linked to the coastal fog of the Pacific Northwest. During the dry summer months, these giants use their massive canopy surface area to trap moisture from passing fog, which then drips down to the roots—a process known as 'fog drip' that can provide the tree with up to 40% of its annual water intake.

Socially, redwoods are fascinatingly interconnected. They possess shallow but wide-spreading root systems that can extend up to 100 feet from the trunk, intertwining with the roots of neighboring redwoods to provide mutual stability against high winds and floods. They are also unique among conifers for their ability to regenerate through sprouting; when a tree is damaged or felled, dormant buds at the base or along the trunk can grow into new, genetically identical clones, often forming 'fairy rings' around a central parent stump.

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Camera Tips

When setting up a camera to capture a coast redwood, the primary challenge is the sheer scale of the subject. To capture the full stature of a backyard redwood, use a wide-angle lens and position the camera at a low angle looking upward. This 'worm's eye view' emphasizes the tree's height and the cathedral-like quality of the canopy. If your camera has a time-lapse mode, set it to take one photo per day at noon to document the subtle changes in light and the impressive speed of new growth during the spring and summer months.

Because redwoods are hotspots for biodiversity, placing your camera near the base of the tree can reveal a hidden world. Look for 'goosepens'—hollowed-out cavities caused by past fires. These serve as natural shelters for a variety of animals. Aim your camera at these openings to catch sightings of black bears, gray foxes, or even mountain lions that use the tree for cover. If you can safely mount a camera higher up in the branches, you may capture the Marbled Murrelet or the Northern Spotted Owl, both of which rely on old-growth redwood canopies for nesting.

Lighting in redwood groves is notoriously difficult, characterized by 'hot spots' of bright sun breaking through a dark canopy. Set your camera's exposure to 'Center-Weighted' or 'Spot' to avoid overexposing the scene when the sun hits the bark. For the most professional-looking shots, capture footage during foggy or overcast days. The moisture in the air acts as a natural diffuser, saturating the deep greens of the needles and the rich reds of the bark, while the fog provides a sense of depth and mystery that is quintessential to the redwood experience.

Similar Species

Species that look similar or are commonly confused with coast redwood.

Giant Sequoia

Heavier, more massive trunk with scale-like leaves; native only to high-elevation inland mountain groves.

Dawn Redwood

A deciduous relative that drops its needles in the winter; leaves are arranged in an opposite rather than alternate pattern.

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Frequently Asked Questions

As plants, coast redwoods are biologically active during the day while they undergo photosynthesis. However, they are most 'dynamic' during foggy nights and early mornings when they are actively capturing atmospheric moisture through their needles to hydrate themselves and the forest floor.

If you live in a USDA zone 7-10 with high humidity, you can plant a coast redwood sapling. They require deep, acidic, well-draining soil and significant amounts of water. Be warned: they grow very fast (up to 3-5 feet per year) and will eventually require a massive amount of space both above and below ground.

Coast redwoods produce their own energy from sunlight via photosynthesis. They 'eat' carbon dioxide from the air and minerals from the soil. Uniquely, they also 'drink' fog, which provides essential water and nitrogen during dry seasons.

They are common in suburban areas within their native range in California and Oregon, often used for privacy screens. However, outside their native fog belt, they often struggle with drought and heat, and their powerful roots can lift sidewalks and damage pipes.

Coast redwoods are taller and more slender with flat, yew-like needles and small cones. Giant sequoias have much thicker, massive trunks, scale-like leaves (similar to junipers), and much larger cones. Coast redwoods live by the ocean, while giant sequoias live in the high Sierra Nevada mountains.

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