Content Detail

The Frontier elm has good resistance to Dutch elm disease (DED) and elm yellows and moderate resistance to elm leaf beetle. This hardy, tolerant tree is a good choice for residential landscapes and along city streets.

  • 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), Medium tree (25-40 feet)
  • Mature height 30-40 feet
  • Mature width 20-30 feet
  • Light exposure Full sun (6 hrs direct light daily)
  • Hardiness zones Zone 4, Zone 5 (Chicago), Zone 6, Zone 7
  • Soil preference Moist, well-drained soil
  • Tolerances Alkaline soil, Dry sites, Occasional drought, Road salt, Wet sites
  • Season of interest early fall, mid fall
  • Flower color and fragrance Inconspicuous
  • Shape or form Narrow, Pyramidal, Upright
  • Growth rate Slow
  • Transplants well Yes
  • Wildlife Migrant birds
  • Has cultivars NA

Native geographic location and habitat:

This tree is of hybrid origin.

Bark color and texture:

Its bark is relatively smooth, gray-green in color and marked with orange lenticels.

Leaf or needle arrangement, size, shape, and texture:

Leaves are alternate with toothed edges.  They are shiny dark green in summer and its fall color is purplish red.

Flower arrangement, shape, and size:

This tree seldom flowers.

Fruit, cone, nut, and seed descriptions:

It seldom produces fruit, but when it does the seed is enclosed in a flat, circular wing.

Plant care:

Do not prune elm trees between mid-April and mid-October.

List of pests, diseases, and tolerances: 

Elm flea weevil is a minor problem and wetwood can occur. It does have good resistance to Dutch elm disease and elm yellows and moderately resistant to elm leaf beetle.

Donate

Your support is vital to the Arboretum, where the power of trees makes a positive impact on people’s lives.

Make a gift