Laburnum Species, Alpine Golden Chain Tree, Scotch Laburnum

Laburnumalpinum

Family
Fabaceae (fab-AY-see-ee)
Genus
Laburnum (la-BURN-um)
Species
alpinum (AL-pin-um)
Synonym
Cytisus alpinus
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Height
15-20 ft. (4.7-6 m)
Spacing
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Danger
Seed is poisonous if ingested
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From seed; direct sow after last frost
Scarify seed before sowing
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Reno, Nevada

Wilkes Barre, Pennsylvania

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Gardener's Notes:

0
positive
1
neutral
0
negative
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ROSLINDALE, MA | August 2016 | neutral

Laburnum x watereri 'Vossii' is the best of the laburnums for ornamental use. A beautiful tree in bloom, but the photos of blooming golde...Read More

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