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.
- Deciduous (seasonally loses leaves)
- Residential and parks,
- City parkway,
- Wide median,
- Restricted sites
- Shade tree,
- Large tree (more than 40 feet),
- Medium tree (25-40 feet)
- Full sun (6 hrs direct light daily)
- Zone 4,
- Zone 5 (Chicago),
- Zone 6,
- Zone 7
- Moist, well-drained soil
- Fall color,
- Attractive bark
- Early fall,
- Mid fall
- Migrant birds
Tree & Plant Care
Do not prune elm trees between mid-April and mid-October.
Disease, pests, and problems
Elm flea weevil is a minor problem.
Wetwood can occur.
Disease, pest, and problem resistance
Good resistance to Dutch elm disease and elm yellows and moderately resistant to elm leaf beetle.
Native geographic location and habitat
Of hybrid origin.
Bark color and texture
Bark is relatively smooth, gray-green in color and marked with orange lenticels.
Leaf or needle arrangement, size, shape, and texture
Alternate leaves with toothed edges; shiny dark green in summer.
Fall color is purplish red.
Flower arrangement, shape, and size
Fruit, cone, nut, and seed descriptions
Seldom produces fruit. Seed enclosed in a flat, circular wing.