SelecTree: Tree Detail
Photo Locations: Regional Parks Botanic Garden, Tilden Regional Park - Berkeley, CA and Mendocino Coast Botanical Gardens - Fort Bragg, CA
A good wildlife plant. Berries are poisonous.
Native to Western North America.
Trees may be referred to as male or female.
Additional Common Names
CASCARA SAGRADA, CHITTAM BARK
Erect or Spreading with a Low Canopy.
Oval, Rounded or Umbrella Shape.
Has Deciduous foliage.
Height: 20 - 40 feet.
Width: 10 - 30 feet.
Growth Rate: 24 Inches per Year.
Longevity 40 to 150 years.
Leaves Elliptic to Oblong, Glossy Dark Green, Gold, Deciduous.
Flowers Inconspicuous. Flowers in Spring. Has either male or female flowers (dioecious). Trees may be sold as male or female.
Black Berry, Small (0.25 - 0.50 inches), fruiting in Fall, Winter or Summer.
Bark Light Green or Light Gray, Scaly or Smooth.
Shading Capacity Rated as Moderately Dense in Leaf.
Shading Capacity Rated as Moderate out of Leaf.
Litter Issue is Wet Fruit.
Tree Site Conditions & Constraints
Sunset Zones 1 - 9 and 14 - 17.
USDA Hardiness Zones 4 - 9.
Exposure Full Sun to Full Shade.
Wet to Moist Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
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 purshiana Tree Record." 1995-2018. Feb 22, 2018.
< https://selectree.calpoly.edu/tree-detail/frangula-purshiana >