The TRIUMPH™ elm has very good resistance to Dutch elm disease (DED) and is resistant to elm yellows; it also has good resistance to elm leaf beetle. It is easily transplanted, quick to establish, and adaptable to most soil types. Large, lustrous, dark green summer foliage gives way to yellow fall color. Useful for home and commercial landscapes or parks or as street tree.
Botanical name:
All common names:
Family (English):
Family (Botanic):
Planting Site:
- Residential and parks,
- City parkway,
- Wide median,
- Restricted sites
Tree or Plant Type:
- Tree
Foliage:
- Deciduous (seasonally loses leaves)
Native Locale:
- Non-native
Landscape Uses:
- Parkway/street,
- Shade tree,
- Specimen
Size Range:
- Large tree (more than 40 feet)
Mature Height:
Mature Width:
Light Exposure:
- Full sun (6 hrs direct light daily),
- Partial sun/shade (4-6 hrs light daily)
Hardiness Zones:
- Zone 4,
- Zone 5 (Chicago),
- Zone 6,
- Zone 7
Soil Preference:
- Moist, well-drained soil
Tolerances:
- Dry sites,
- Occasional drought,
- Alkaline soil,
- Clay soil,
- Road salt
Acid Soils:
- Tolerant
Alkaline Soils:
- Tolerant
Salt Spray:
- Moderately Tolerant
Soil Salt:
- Moderately Tolerant
Drought Conditions:
- Tolerant
Poor Drainage:
- Tolerant
Ornamental Interest:
- Fall color
Seasons of Interest:
- early fall,
- mid fall
Flower Color & Fragrance:
- Inconspicuous
Shape or Form:
- Vase-shaped
Growth Rate:
- Fast
Transplants Well:
- Yes
Wildlife:
- Migrant birds
More Information:
Tree & Plant Care
Easily transplanted, quick to establish and regain rapid growth. Adaptable to most soil types unless excessively wet.
Avoid pruning elms during the growing season.
Disease, pests, and problems
Elm leaf miner, elm flea weevil and verticillium wilt are potential problems.
Disease, pest, and problem resistance
Very good resistance to Dutch elm disease and resistance to elm yellows; good resistance to elm leaf beetle.
Native geographic location and habitat
Of hybrid origin.
Bark color and texture
Bark is gray, ridged and furrowed.
Leaf or needle arrangement, size, shape, and texture
Oval, pointed leaves have tooth-within-tooth margins. Leaf is shorter on one side of center vein than on the other. Leaves are dark green in summer, changing to yellow in fall.
Flower arrangement, shape, and size
Inconspicuous flowers in early spring.
Fruit, cone, nut, and seed descriptions
Seed in small oval samara (seed case with wings for wind dispersal).