Sequoiadendron giganteum ‘H. Mammoth One’ – Majestic Giant Redwood
Sequoiadendron giganteum ‘H. Mammoth One’ is an impressive evergreen conifer derived from the legendary Giant Redwood. Known for its strong upright growth and dense blue-green foliage, it forms a tall pyramidal tree that becomes a spectacular long-term specimen. Hardy and long-lived, it brings dramatic scale, structure and evergreen presence to large gardens and landscape settings.
Seasonal Beauty & Growth
Spring:
Fresh bright green shoots appear, adding vibrant new growth.
Summer:
Dense blue-green foliage forms a strong pyramidal structure.
Autumn & Winter:
Evergreen needles remain rich in colour, providing year-round architectural presence.
Structure & Form
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Upright pyramidal evergreen conifer
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Height: 20–30m (over time)
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Spread: 8–10m
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Dense blue-green foliage
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Strong architectural presence
A spectacular tree that becomes more impressive with age.
Perfect for Various Landscapes
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Specimen Tree: Dramatic focal point for large gardens.
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Estate & Parkland Planting: Suitable for expansive landscapes.
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Woodland Gardens: Blends well with natural planting.
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Collectors’ Gardens: A notable redwood selection.
Growing Conditions & Care
Position:
Full sun or partial shade.
Soil:
Moist, well-drained fertile soil.
Hardiness:
Fully hardy in the UK (approximately -20°C).
Maintenance:
Very low maintenance. Pruning rarely required except to remove damaged branches.
Why Choose Sequoiadendron ‘H. Mammoth One’?
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Majestic giant redwood selection
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Strong pyramidal growth
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Extremely long-lived tree
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Excellent specimen for large spaces
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Hardy and low maintenance
Sequoiadendron giganteum ‘H. Mammoth One’ is a magnificent evergreen conifer that brings grandeur, longevity and year-round structure to large garden landscapes.