• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Sequoia sempervirens

coastal redwood

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
coastal redwood

© RHS

  • Other common names coastal redwood
    Californian evergreen redwood

    Californian redwood
    redwood

    see more
  • Family Cupressaceae

  • Genus Sequoia is a tall and fast-growing evergreen tree with attractive, reddish-brown fibrous bark, and yew-like foliage arranged in two ranks on the shoots; cones are small, reddish-brown when mature

  • Details S. sempervirens is a fast-growing, very large evergreen tree forming a narrowly conical crown, with fibrous, red-brown bark. Leaves 1-2cm, two-ranked, dark green above, whitish beneath. Cones globose, 2-3cm

  • Plant range Western N America

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H6

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing or East-facing or North-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Clay

  • MoistureMoist but well-drained

  • SoilLoam, Clay

  • pHNeutral

Size

  • Ultimate height Higher than 12 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height more than 50 years

How to grow

Cultivation Grow in moderately fertile, moist but well-drained soil in full sun to light dappled shade

Propagation Propagate by seed in containers in a cold frame in spring. Root softwood cuttings in summer or semi-ripe cuttings in late summer or autumn

Suggested planting locations and garden types Low Maintenance Architectural

How to care

Pruning Pruning is not necessary but it is one of the few conifers that will coppice, or make new shoots from the base if cut down

Pests Generally pest free

Diseases Generally disease free

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