SelecTree: Tree Detail

Laburnum alpinum

Laburnum alpinum Laburnum alpinum Laburnum alpinum Laburnum alpinum

Photo Locations: Hoyt Arboretum - Portland, OR

General Notes

'pendulum' variety has weeping form. Seeds and flowers are poisonous.

Native to Europe.

Family: Fabaceae

Additional Common Names


Tree Characteristics

Erect with a Low Canopy.

Oval Shape.

Has Deciduous foliage.

Height: 30 - 35 feet.

Width: 20 - 25 feet.

Growth Rate: 24 Inches per Year.

Longevity 40 to 150 years.

Leaves Trifoliate, Medium Green, Bronze or Gold, Deciduous.

Flowers Showy. Yellow. Flowers in Spring or Summer. Has perfect flowers (male and female parts in each flower).

Brown or Mostly Green Pod, 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.

Moist Soil.

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." 1995-2018. Apr 20, 2018.
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