SelecTree: Tree Detail

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.

Rounded or Spreading 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, Dark Green, Golden or Yellow or Orange, Evergreen to Partly Deciduous.

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

Brown or Mostly Green Samara, 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

Susceptible to Aphids, Beetle Borers, Beetle Leaves, Caterpillars and Scales, Dutch Elm Disease, Armillaria, 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." 1995-2020. Aug 9, 2020.
< https://selectree.calpoly.edu/tree-detail/ulmus-parvifolia-drake >

SelecTree Nursery Connection Map
Cal Poly / ESRI