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TREES & plants

ACCOLADE™ elm

ACCOLADE™ elm in fall color.
The ACCOLADE™ elm is a Chicagoland Grows® selection that demonstrates very good resistance to Dutch elm disease (DED), and elm leaf beetle. It is useful as a street, parkway, or shade tree. This elm has glossy green leaves and yellow fall color.
Botanical name: 
Ulmus davidiana var. japonica 'Morton'
All Common Names: 
ACCOLADE™ elm
Family (English): 
Elm
Family (Botanic): 
Ulmaceae
Tree or Plant Type: 
  • Tree
Foliage: 
  • Deciduous (seasonally loses leaves)
Native Locale: 
  • Non-native
Planting Site: 
  • Residential and parks, 
  • City parkway, 
  • Wide median
Landscape Uses: 
  • Parkway/street, 
  • Shade tree, 
  • Specimen
Size Range: 
  • Large tree (more than 40 feet)
Mature Height: 
50-60 feet
Mature Width: 
30-40 feet
Light Exposure: 
  • Full sun (6 hrs direct light daily), 
  • Partial sun/shade (4-6 hrs light daily)
Hardiness Zones: 
  • Zone 5 (Chicago), 
  • Zone 6, 
  • Zone 7, 
  • Zone 8
Soil Preference: 
  • Moist, well-drained soil
Acid Soils: 
  • Tolerant
Alkaline Soils: 
  • Tolerant
Salt Spray: 
  • Moderately Tolerant
Soil Salt: 
  • Moderately Tolerant
Drought Conditions: 
  • Tolerant
Poor Drainage: 
  • Intolerant
Ornamental Interest: 
  • Fall color
Season of Interest: 
  • Early winter, 
  • Mid winter, 
  • Late winter, 
  • Early fall, 
  • Mid fall
Flower Color & Fragrance: 
  • Inconspicuous, 
  • Other
Shape or Form: 
  • Vase-shaped
Growth Rate: 
  • Fast
Transplants Well: 
  • Yes
Wildlife: 
  • Migrant birds
More Information: 

Tree & Plant Care

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

Disease, pests, and problems

European elm flea weevil is a minor problem.
Wetwood can occur.

Disease, pest, and problem resistance

Very good resistant to Dutch elm disease, elm yellows and 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

Alternate leaves with toothed edges; shiny dark green in summer.
Fall color is yellow.

Flower arrangement, shape, and size

Flowers are green and inconspicuous, appearing in early spring.

Fruit, cone, nut, and seed descriptions

Seeds enclosed in a flat, circular wing.

Ulmus davidiana var. japonica 'Morton' or ACCOLADE™ elm