SelecTree: Tree Detail
Photo Locations: UC Berkeley Botanic Garden - Berkeley, CA and Hoyt Arboretum - Portland, OR
Utility friendly tree.
Good tree for woodland settings. Berries are toxic.
Oval or Rounded Shape.
Has Deciduous foliage.
Height: 10 - 15 feet.
Width: 6 - 10 feet.
Growth Rate: 24 Inches per Year.
Longevity 40 to 150 years.
Leaves Obovate to Oval, Glossy Dark Green, Deciduous.
Flowers Inconspicuous. Flowers in Spring.
Black or Red Drupe, Small (0.25 - 0.50 inches), fruiting in Summer or Fall.
Bark Dark Brown, Furrowed or Smooth.
Shading Capacity Rated as Moderately Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 7 and 10 - 13.
USDA Hardiness Zones 3.
Exposure Full Sun to Partial Shade.
Clay, Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Not Suited.
Pests & Disease Information
Susceptible to Aphids.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Poisonous Health Hazard.
Desirable Wildlife Plant.
Special Uses & Values
Cite this tree:
SelecTree. "Frangula alnus Tree Record." 1995-2020. Jun 3, 2020.
< https://selectree.calpoly.edu/tree-detail/frangula-alnus >