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Redwoods · Giant, Coast & Dawn

Redwoods · Giant, Coast & Dawn

Sequoiadendron giganteum · Sequoia sempervirens · Metasequoia glyptostroboides

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For your Redwoods · Giant, Coast & Dawn

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Profile

Plant group
Redwoods and sequoias · conifers
Growth & habit
Usually an upright, conical large tree with a continuous leader. Age, species and cultivar alter crown width and eventual size.
Foliage
Giant sequoia and coast redwood are evergreen. Dawn redwood has soft needles that turn copper-brown and fall in autumn.
Family
Cypress family · Cupressaceae
Origin
Giant/coast: western North America; dawn redwood: China.
Height
Large trees reaching many tens of metres; compact cultivars stay smaller. Not a typical small garden tree.
Bloom
Inconspicuous pollen and seed cones; pollination in late winter or spring depending on species.
Toxicity
Ornamental trees, not for consumption. Resin and plant material can irritate sensitive skin.

Care calendar

Leaf emergence

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Shoots extend in spring. Dawn redwood develops a new set of needles after its bare winter period.

Flowering / flower development

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Pollen and seed cones are inconspicuous. Timing and cone maturity vary with species, age and climate.

Leaf fall

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Only dawn redwood normally sheds all its needles. Evergreen species also renew individual older needles.

Pruning & growth habit

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Free-growing trees rarely need routine pruning. Plan small corrections selectively; large limbs and damaged crowns need professional arboricultural assessment.

Guidance for Germany and Central Europe. Position, weather, species and cultivar shift these windows; indoor and container plants also depend on their winter conditions.

Your seasonal care plan

  • Check moisture

    Jan · Feb · Mar · Apr · May · Jun · Jul · Aug · Sep · Oct · Nov · Dec

    Check root-ball moisture before watering; inspect in winter when the ground is frost-free. Water must drain away.

  • Match supplementary feeding

    Apr · May · Jun · Jul · Aug · Sep

    Every 1–2 weeks during growth; regular period April to September. Young and newly planted trees receive one quarter to one half strength. Account for pre-fertilised compost and existing soil nutrition.

  • Assess planting site and root space

    Mar · Apr · Sep · Oct

    If roots fill the pot, plan a suitable larger root space. Keep the planting depth and monitor moisture afterwards.

  • Watch for changes

    Mar · Apr · May · Jun · Jul · Aug · Sep · Oct

    Compare healthy and affected plant parts. Photos, weather and previous care help identify causes.

Highlighted months are guidance, not fixed dates. Observe the plant, root ball and weather; water, feed and repot according to actual need.

Seasonal care intensity

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal guidance for Germany. Needs depend on location, weather and species. Check moisture in winter too; these markers are not a feeding schedule.

Peak care Active Reduced care

Care tips

  • Calendar for Germany/Central Europe; species, weather and age affect timing.
  • Young container trees need individual moisture checks. Long-term planting depends on eventual size rather than size at purchase.
  • Giant sequoia and coast redwood are evergreen; autumn shedding is normal for dawn redwood.

Seeds & cones

Seed formation

Redwoods and giant sequoias produce woody cones with small seeds, not fruits. Cone size and maturation differ between the three genera; older cones may remain on the tree.

Use

Not a food crop. Mature cones or released seeds can be used for propagation. Small cones do not indicate the eventual space required: seedlings ultimately become very large trees.

Plant knowledge at a glance

Position, benefits & character

Position & soil

A spacious bright position with deep root space. Avoid drought and soil compaction. Coast redwood particularly needs mild, sheltered conditions.

Distinctive features

Reddish-brown fibrous bark and a striking trunk give mature trees their character. The three genera differ clearly in needle arrangement and cones.

Benefits

Specimen trees for large gardens and parks. Crowns provide structure and cover; only deliberately selected compact forms may suit smaller spaces.

Partners & symbioses

Soil life and intact fine roots form part of a functioning growing site. The garden care described here does not depend on adding a particular fungal product.

Pruning & growth habit

Giant sequoia comes from the Sierra Nevada and coast redwood from the moist North American coast. Deciduous dawn redwood from China tolerates fresher and occasionally wet soils. One hardiness rating cannot represent the whole group.

  1. 1. Check species and leader

    Identify the natural growth form. Retain a healthy continuous leader on young trees.

  2. 2. Cut only for a reason

    Selectively remove small damaged or rubbing branches. Healthy shoot tips do not need routine shortening.

  3. 3. Do not top the crown

    Do not force the tree into a small garden shape by cutting off its top. Choose a species and eventual size suited to the site.

  4. 4. Assess major work professionally

    Have cracks, dead crown sections or major pruning needs on tall trees assessed by a qualified arborist.

Nursery forms

This overview explains nursery supply forms. It does not indicate current availability in the GREEN24 shop.

Bare-root

Ask a specialist nursery

Possible for deciduous dawn redwood; evergreen types usually have protected root balls.

Root-balled

Common form

Larger nursery trees with a supported soil ball.

Container-grown

Common form

Young rooted trees in pots or containers.

Young plant

Common form

Seedlings and young plants; check species and provenance.

Shrub

Ask a specialist nursery

Compact or multi-stemmed special forms rather than the typical large-tree habit.

Feathered tree

Common form

A continuous trunk retaining lower side branches.

Half-standard

Ask a specialist nursery

Young trees with lower branches removed may be available from specialists.

Standard

Ask a specialist nursery

Larger nursery stock; match trunk size, root space and planting technique.

Topiary

Not typical for this profile

Not a standard form for this group of large trees.

Propagation & grafting

Propagation

Raise from seed; cutting propagation is possible depending on species and cultivar. Seedlings do not automatically retain cultivar traits.

Grafting

Special garden forms may be propagated vegetatively or grafted. Ask the nursery about origin and propagation; distinguish them from the natural species.

Species & cultivars

Sequoiadendron giganteum

Evergreen giant sequoia with a substantial trunk; allow a large permanent site.

Sequoia sempervirens

Evergreen coast redwood; site selection is especially important in Central Europe.

Metasequoia glyptostroboides

Deciduous dawn redwood with opposite soft needles and autumn colour.

Metasequoia glyptostroboides ‘Ogon’

A golden-leaved garden form; select position and light with foliage sensitivity in mind.

Pests & diseases

These signs support an initial assessment. Different causes may look alike; choose a treatment only after identifying the problem.

Consider the season

Copper-brown dawn-redwood needles in autumn can be normal. Assess the same change differently on giant sequoia or coast redwood.

Protect roots from water stress

For brown tips, check root-ball moisture, drainage, frost and heat. Extra fertiliser does not relieve compacted soil.

Investigate progressive damage

Record repeated shoot dieback, bark changes or fungal fruiting bodies and have the cause assessed.

Hardiness · USDA

Species-dependent

Three distinct species; no shared zone.

Sequoiadendron giganteum
USDA 6a–8b
Sequoia sempervirens
USDA 7a–9b
Metasequoia glyptostroboides
USDA 4a–8b

USDA zones describe long-term average winter extremes. Containers, young plants, wet soil, wind and late frost need separate consideration.

Understand USDA zones and maps →

A closer look

Giant sequoia bark
Bark

Giant sequoia bark

Fibrous, longitudinally textured bark of Sequoiadendron giganteum. Reduced-size, uncropped version.

GPodkolzin · CC BY-SA 3.0 · Image source

Botanical features vary with age, species and cultivar.

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