SelecTree: Tree Detail
Photo Locations: Hoyt Arboretum - Portland, OR
'pendulum' variety has weeping form. Seeds and flowers are poisonous.
Native to Europe.
Additional Common Names
SCOTCH LABURNUM, ALPINE GOLDENCHAIN TREE
Erect with a Low Canopy.
Has Deciduous foliage.
Height: 30 - 35 feet.
Width: 20 - 25 feet.
Growth Rate: 24 Inches per Year.
Longevity 40 to 150 years.
Leaves Trifoliate, Green, Golden or Yellow or Orange, Deciduous.
Flowers Showy. Yellow. Flowers in Spring or Summer. Has perfect flowers (male and female parts in each flower).
Brown or Mostly Green Legume, Large (1.50 - 3.00 inches), fruiting in Fall.
Bark Green, Smooth.
Shading Capacity Rated as Moderately Low in Leaf.
Shading Capacity Rated as Low out of Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 10 and 14 - 17.
USDA Hardiness Zones 5 - 8.
Exposure Full Sun to Partial Shade.
Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Susceptible to Spider Mites.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium Weak
Root Damage Potential Rated as Low.
Poisonous Health Hazard.
Attracts Birds and Bees.
Special Uses & Values
Cite this tree:
SelecTree. "Laburnum alpinum Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/laburnum-alpinum >