1 1
Conifer · EvergreenSKU 172180

Sequoiadendron Giganteum H. Mammoth One 7.5 Litre Pot

Sequoiadendron Giganteum H. Mammoth One 7.5 Litre Pot

Sequoiadendron giganteum 'Mammoth One'
Impressive giant redwood forming a tall pyramidal evergreen tree with dense blue-green foliage.
£89.00
£89.00
Sale Sold out
Including VAT.
Out of stock
  • Visa
  • Mastercard
  • American Express
  • Maestro
  • Apple Pay
  • Google Pay
  • PayPal
Spend more to unlock a bulk discount on your whole order
Free delivery over £400*
Nursery grown in Cheshire
Healthy-arrival guarantee
Expert planting advice
Giant redwood
Sequoiadendron giganteum 'Mammoth One'
Pet Safe
Sunlight
Full sun, Partial shade
Hardiness
H6 (-20 to -15°C)
Mature size
>12m tall × >8m wide
Foliage
Evergreen
Soil
Clay, Loam, Sand
Aspect
North-facing, South-facing, East-facing, West-facing
Supplied as
Pot Grown
Growth rate
Fast
View full details

About Sequoiadendron Giganteum H. Mammoth One 7.5 Litre Pot

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

  • Upright pyramidal evergreen conifer

  • Height: 20–30m (over time)

  • Spread: 8–10m

  • Dense blue-green foliage

  • Strong architectural presence

A spectacular tree that becomes more impressive with age.

Perfect for Various Landscapes

  • Specimen Tree: Dramatic focal point for large gardens.

  • Estate & Parkland Planting: Suitable for expansive landscapes.

  • Woodland Gardens: Blends well with natural planting.

  • 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’?

  • Majestic giant redwood selection

  • Strong pyramidal growth

  • Extremely long-lived tree

  • Excellent specimen for large spaces

  • 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.

Plants well with

Our growers' picks to plant alongside Sequoiadendron Giganteum H. Mammoth One 7.5 Litre Pot for a fuller, longer-lasting display.