SelecTree: Tree Detail

DRAKE CHINESE ELM
Ulmus parvifolia 'Drake'

Ulmus parvifolia 'Drake' Ulmus parvifolia 'Drake' Ulmus parvifolia 'Drake' Ulmus parvifolia 'Drake'

Photo Locations: Quail Arboretum - Encinitas, CA

General Notes

Susceptible to Texas root rot in desert. Susceptible to Dutch Elm Disease. Relatively few pests and diseases compared to other elms.

Family: Ulmaceae

Tree Characteristics

Spreading or Weeping with a High Canopy.

Oval, Rounded or Umbrella Shape.

Has Evergreen to Partly Deciduous foliage.

Height: 35 - 45 feet.

Width: 35 - 50 feet.

Growth Rate: 36 or More Inches per Year.

Longevity 50 to 150 years.

Leaves Ovate, Glossy Dark Green, Bronze or Gold, Evergreen to Partly Deciduous.

Flowers Inconspicuous. Flowers in Summer or Fall. Has separate male and female flowers on the same tree (monoecious).

Brown or Mostly Green Winged Seed, Small (0.25 - 0.50 inches), fruiting in Fall.

Bark Dark Gray, Light Gray, Orange, Red Brown or Multicolored, Exfoliating, Mottled or Smooth.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 3 - 24.

USDA Hardiness Zones 7 - 10.

Exposure Full Sun to Partial Shade.

Moist Soil.

Clay, Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Salinity Tolerance is Moderate on Coast.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Resistant to Oak Root Fungus. Susceptible to Aphids, Beetle Borers, Beetle Leaves, Caterpillars and Scales, Dutch Elm Disease, Oak Root Rot, Phytophthora, Root Rot, Sooty Mold and Verticillium.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium Weak to Medium

Root Damage Potential Rated as Moderate.

Allergy Health Hazard.

Fire Resistance is Favorable.

Cite this tree:
SelecTree. "Ulmus parvifolia 'Drake' Tree Record." 1995-2017. Sep 21, 2017.
< http://selectree.calpoly.edu/tree-detail/ulmus-parvifolia-drake >

SelecTree Nursery Connection Map
Cal Poly / ESRI