SelecTree: Tree Detail

PURPLE-LEAVED FILBERT
Corylus maxima 'Purpurea'

Corylus maxima 'Purpurea' Corylus maxima 'Purpurea' Corylus maxima 'Purpurea' Corylus maxima 'Purpurea' Corylus maxima 'Purpurea' Corylus maxima 'Purpurea' Corylus maxima 'Purpurea'

Photo Locations: Stanley Park - Vancouver, B.C. and Arnold Arboretum - Boston, MA

General Notes

Utility Friendly Tree Utility friendly tree.

Showy male catkins in winter. Best in partial shade in hot areas.

Family: Betulaceae

Additional Common Names

PURPLE-LEAVED FILBERT, PURPLE-LEAVED HAZELNUT

Tree Characteristics

Erect or Spreading with a Low Canopy.

Rounded, Umbrella or Vase Shape.

Has Deciduous foliage.

Height: 15 - 20 feet.

Width: 12 - 15 feet.

Growth Rate: 24 Inches per Year.

Longevity 50 to 150 years.

Leaves Round, Purple, Deciduous.

Flowers Inconspicuous. Green or Yellow. Flowers in Winter. Has separate male and female flowers on the same tree (monoecious).

Brown Nut enclosed in Leafy Bracts, Medium (0.50 - 1.50 inches), fruiting in Fall Edible.

Bark Dark Brown or Light Green, Furrowed or Smooth.

Shading Capacity Rated as Moderately Dense in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 2 - 9 and 14 - 17.

USDA Hardiness Zones 4 - 9.

Exposure Full Sun to Partial Shade.

Moist Soil.

Loam or Sand Texture.

Highly Acidic to Neutral Soil pH.

Seaside Tolerance is Not Suited.

Pests & Disease Information

Susceptible to Aphids and Spider Mites, Chlorosis, Leaf Blight, Powdery Mildew and Sooty Mold.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium.

Root Damage Potential Rated as Low.

Allergy Health Hazard.

Attracts Squirrels.

Special Uses & Values

Screen.

Hedged.

Cite this tree:
SelecTree. "Corylus maxima 'Purpurea' Tree Record." 1995-2019. May 26, 2019.
< https://selectree.calpoly.edu/tree-detail/corylus-maxima-purpurea >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.