Content Detail

The tall Regal elm has good Dutch elm disease (DED) resistance. It can be used as a specimen or in groups for streets, parks, and large yards.

This hybrid is a University of Wisconsin introduction.

  • Family (English) Elm
  • Family (botanic) Ulmaceae
  • Planting site City parkway, Residential and parks, Restricted sites, Wide median
  • Tree or plant type Tree
  • Foliage Deciduous (seasonally loses leaves)
  • Native locale Non-native
  • Size range Large tree (more than 40 feet)
  • Mature height 50-60 feet
  • Mature width 50-60 feet
  • Light exposure Full sun (6 hrs direct light daily)
  • Hardiness zones Zone 4, Zone 5 (Northern Illinois), Zone 6 (City of Chicago), Zone 7
  • Soil preference Moist, well-drained soil
  • Other tolerances Alkaline soil, clay soil, Dry sites, Occasional drought, Occasional flooding, Road salt, Wet sites
  • Flower color and fragrance Inconspicuous
  • Shape or form Oval, Pyramidal
  • Growth rate Moderate
  • Transplants well Yes
  • Planting considerations Highly susceptible to ice damage
  • Wildlife Migrant birds
  • Has cultivars NA

More Information

Native Geographic Location and Habitat  

Regal elm is of hybrid origin.

Bark Description

Bark is gray, ridged, and furrowed.

Leaf Description

The alternate leaves have  toothed margins. Leaf color is shiny dark green in summer. No fall color.

Flower Description

Flowers are green and inconspicuous, appearing in early spring.

Fruit and Seed Description

Seeds enclosed in a flat, circular wing.

Care Knowledge

Plant Care

Regal elm prefers a moist, well-drained soil. Do not prune elm trees between mid-April and mid-October.

Pests, Diseases, and Tolerances  

May be attacked by elm yellows, spongy moth and elm leaf beetle. Resistant to Dutch elm disease.

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