Chinese evergreen elm, lacebark (Ulmus parvifolia)

Native: China, Japan, North Korea, and Vietnam.

Tree Characteristics

• Drought tolerant.
• Shape: Oval, Rounded or Umbrella
• Foliage: Has Evergreen to Partly Deciduous, Elliptic to Ovate, Glossy Dark Green, Bronze or Gold
• Height: 40 - 60 feet.
• Width: 50 - 70 feet.
• Flowers: Inconspicuous. Flowers in Summer or Fall.
• Fruit: 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: Moderate in Leaf, Moderate out of Leaf.
• Litter Issue: Dry Fruit.​

Tree Site Conditions & Constraints

• Zones: Sunset 3 – 24. USDA Hardiness 5 - 9.
• Exposure: Full Sun to Partial Shade.​

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: Medium Weak to Medium
• Root Damage Potential: Moderate.
• Health Hazard: Allergy
• Biogenic Emissions: Low.

Source:

SelecTree. "Ulmus parvifolia Tree Record." 1995-2018. Feb 26, 2018. < https://selectree.calpoly.edu/tree-detail/ulmus-parvifolia >