Laburnum

Laburnum × watereri

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A ornamental hybrid tree celebrated for its abundant long chains of bright yellow pea-like flowers that cascade down the branches in late spring. Reaching 20-30 feet, it is perfect for creating dramatic flowering effects in gardens and parks. All parts of the tree are highly toxic and should be kept away from children and pets.

Common Problems

Select the problem your Laburnum is experiencing to get a treatment guide.

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Yellow Leaveschevron_right

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Brown Spotschevron_right

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Wiltingchevron_right

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Dropping Leaveschevron_right

Care Guide

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Light

Full sun (6+ hours daily); flowers more profusely in full sun

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Water

Moderate watering; water regularly during establishment; drought-tolerant once mature

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Soil

Well-drained loamy soil; tolerates poor soils; prefers slightly acidic to neutral pH

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Fertiliser

Minimal fertilizer; avoid high-nitrogen applications that reduce flowering

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Temperature

Hardy deciduous tree; thrives in cool to moderate climates

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Humidity

Moderate; no special humidity requirements

Toxicity

dangerousToxic to CatsdangerousToxic to DogsdangerousToxic to Children

Entire plant is toxic, especially seeds and pods; contains cytisine and other alkaloids; can cause severe poisoning if ingested; plant away from play areas

Common Diseases

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Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.