Coast redwood (Sequoia sempervirens) is the tallest tree on Earth, a magnificent evergreen conifer native to the misty Pacific coastal regions from southern Oregon to the San Francisco Bay area. These narrow-conical giants thrive in zones 7, 9 where cool, moist coastal climates prevail, reaching 60, 100 feet tall with a mature spread of 15, 25 feet. Hardy and low-maintenance once established, redwoods excel in rain gardens and other moisture-rich landscape settings where their fog-loving nature feels at home.
Full Sun
Moderate
7-9
1200in H x 300in W
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Moderate
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Coast redwoods are steeped in the romance of California's coastal fog belt, where they naturally grow in pure strands along a narrow 20-mile-wide corridor from the Pacific. These evergreen conifers have a narrow, elegant conical form that commands attention in any landscape. They demand consistent moisture and cool conditions, making them far less forgiving in hot, dry climates than their inland cousins. In the right setting, they're virtually trouble-free, with no serious insect or disease problems to worry about. Their sheer scale and architectural presence transform a garden into something genuinely wild.
Coast redwoods are primarily used as striking architectural specimens in rain gardens and moisture-rich landscape designs. Their narrow-conical form and evergreen foliage make them valuable for creating vertical interest and windbreaks in coastal gardens. In their native range, they also serve ecological roles in stabilizing foggy coastal ecosystems.
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Transplant redwoods into their permanent locations in spring or fall when the soil is moist. Space trees 15, 25 feet apart to accommodate their mature width. Ensure the planting site offers rich, humusy soil with excellent drainage and consistent moisture, particularly in the first few growing seasons.
Coast redwoods naturally form an elegant narrow-conical shape and require minimal pruning. Remove any dead or damaged branches promptly, and avoid heavy pruning, which can distort their characteristic form. In cooler zones, they may benefit from selective thinning if grown in groves, but most landscape specimens are best left to grow naturally.
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“Sequoia sempervirens has stood on the California coast for millennia, native exclusively to the misty coastal plain areas that blanket these giants in Pacific fog year-round. Their confinement to this narrow coastal belt, extending no more than 20 miles inland from southern Oregon to the San Francisco Bay area, reflects their strict dependence on the cool, moist maritime climate that has shaped them for eons. These trees were already growing in magnificent pure strands when early European explorers first encountered them, representing one of the most specialized forest ecosystems on the continent.”