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Laburnum · Golden Chain Tree

Laburnum · Golden Chain Tree

Laburnum anagyroides · L. alpinum · L. × watereri

Garden Sun Partial shade TreeMedium

For your Laburnum · Golden Chain Tree

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Profile

Plant group
Laburnum · deciduous woody plants
Growth & habit
A loosely branched large shrub or small tree. Branches carry yellow racemes; they do not twine around supports like wisteria.
Foliage
Three-part green leaves emerge in spring and fall in autumn. Yellow flowers are followed by pods.
Family
Pea family · Fabaceae
Origin
European parent species; L. × watereri is a garden hybrid
Height
Usually a large shrub or small tree, around 4–8 m depending on species and form
Bloom
Usually May–June, with hanging yellow racemes
Toxicity
Poisonous, particularly seeds and pods. Do not eat; keep clippings and pods away from children and animals.

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

Three-part leaves unfold in spring.

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

Golden racemes hang from the branches; exact timing depends on weather and cultivar.

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

The deciduous foliage falls in autumn. Treat remaining pods separately and handle safely.

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

Make only necessary corrections after flowering or in summer; avoid large wounds where possible.

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, not just dates

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

    Match watering to species, season and root space. Maintain drainage and distinguish drought from waterlogging.

  • Match nutrients to need

    Apr · May · Jun · Jul · Aug · Sep

    Feed during active growth where nutrients need supplementing. The linked fertiliser gives its exact dilution; account for initial fertiliser in the compost.

    View product dosage and application →

  • Refresh the root space

    Mar · Apr · May

    Increase pot size only when needed, maintain planting depth and ensure drainage. The linked tree and shrub compost already contains nutrients.

    View product dosage and application →

  • Respect winter conditions

    Nov · Dec · Jan · Feb · Mar

    Protect containers from deep freezing and check young plants in exposed positions. Regular feeding is unnecessary during leafless dormancy.

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, cultivar and weather affect timing.
  • Laburnum is not a climber. Training over an arch uses supported, guided branches. Wisteria’s twice-yearly spur-pruning method does not apply.

Fruit & harvest

Fruit and seed formation

The yellow flower clusters develop into flat elongated pods that split when ripe. Their seeds, like the rest of the plant, are not edible legumes.

Harvest and use

Not a food crop. Laburnum is highly poisonous, with seeds a particular concern. Do not confuse the pods with peas or beans, or allow children to use them as play material.

Plant knowledge at a glance

Position, benefits & character

Position & soil

Sun or light partial shade with well-drained soil. Allow space for the mature crown and avoid permanently waterlogged sites.

Distinctive features

Golden flower racemes make a striking late-spring feature. Cultivar choice affects raceme length, habit and seed production.

Benefits

As a specimen, its natural crown can be enjoyed fully. Flowers attract insects; toxicity is an important part of choosing its position.

Partners & symbioses

As a legume, laburnum can associate with root-nodule bacteria. This does not establish a specific nitrogen contribution in a garden; assess soil fertility.

Pruning & growth habit

Laburnum is not a climber. Training over an arch uses supported, guided branches. Wisteria’s twice-yearly spur-pruning method does not apply.

  1. 1. Assess the crown

    Check species, graft union and natural branching. Look for nests and work towards a clear correction goal.

  2. 2. Make limited corrections

    Remove dead or badly rubbing small branches selectively. Do not routinely shorten healthy major limbs.

  3. 3. Treat rootstock growth separately

    Shoots below a graft do not belong to the desired crown. Remove at their origin without damaging the trunk or graft.

  4. 4. Collect clippings safely

    Collect poisonous clippings and pods promptly. Do not leave material in grazing areas or accessible play spaces.

Nursery forms

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

Bare-root

Ask a specialist nursery

Bare-root plants only where explicitly offered; protect exposed roots.

Root-balled

Ask a specialist nursery

May be available for larger nursery plants; keep the root ball intact.

Container-grown

Common form

Rooted potted or container plants; check roots and the label.

Young plant

Common form

Young plants need time to reach the desired size.

Shrub

Common form

A multi-stemmed form branching near the base.

Feathered tree

Ask a specialist nursery

A feathered tree with a central stem and retained side branches.

Half-standard

Ask a specialist nursery

A crown on a shorter clear stem; compare supplied stem heights.

Standard

Ask a specialist nursery

A crown on a taller stem; allow for stability and space.

Topiary

Ask a specialist nursery

Trained or clipped forms need suitable ongoing maintenance.

Propagation & grafting

Propagation

Species can be grown from seed; cultivars are propagated vegetatively. Poisonous seeds and pods must be kept away from children.

Grafting

Cultivars such as ‘Vossii’ are often grafted. Preserve the graft position when planting and remove rootstock shoots separately.

Species & cultivars

Laburnum × watereri ‘Vossii’

Common garden form with long yellow racemes; usually sets fewer seeds than the parent species.

Laburnum anagyroides

Common laburnum, a species with its own natural habit and seed production.

Laburnum alpinum

Scotch or alpine laburnum, a European species and parent of L. × watereri.

Pests & diseases

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

Stem base and soil

Avoid waterlogging. Weak growth calls for checking roots, planting depth and soil moisture first.

Observe aphids

Inspect young growth for aphids and sticky deposits. Assess severity and natural predators before treatment.

Investigate dying branches

Photograph bark changes and wilting branches for diagnosis. Increasing feed does not identify the cause.

Hardiness · USDA

Species-dependent

The species example applies to Laburnum anagyroides. For alpine laburnum and hybrid forms, consider the particular species or cultivar.

Laburnum anagyroides
USDA 5a–7b

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 →

Matching GREEN24 products

Matching fertilisers and substrates for your plant care.