Laburnum Species, Alpine Golden Chain Tree, Scotch Laburnum
Laburnumalpinum

Synonym:Cytisus alpinus

Category
Trees

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Sun to Partial Shade

Foliage
Deciduous

Foliage Color

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)

Where to Grow
Grow outdoors year-round in hardiness zone

Danger
Seed is poisonous if ingested
All parts of plant are poisonous if ingested

Bloom Color
Bright Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer

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