Trees
Ulmus 'Morton Glossy'
Triumph hybrid elm
Glossy, very dark green leaves and a balanced upright crown distinguish this Morton Arboretum hybrid. Its outline develops from oval toward vase-shaped, with yellow autumn color. Selected for Dutch elm disease tolerance, it is a substantial shade tree that needs generous space.
At a glance
- Sun
- Full sun to partial shade
- Size
- Height: 55 ft. · Width: 45 ft.
- Water
- Moist, well-drained soil
- Hardiness
- USDA zone 4 minimum
Sizes & prices
- #15$274.99
Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.
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Landscape use & tree form
- Form
- Upright oval to vase
- Use
- Shade tree; ornamental specimen
- Growth rate
- Fast
- Fruit / litter
- Small winged samaras disperse by wind.
- Major issues
- Elm leaf miners and Verticillium wilt remain possible despite Dutch elm disease resistance.
Resistance & tolerances
- Deer
- Mixed supplier ratings; growers list resistance, but browsing cannot be ruled out.
- Drought
- Tolerates occasional drought after establishment.
- Wet soil
- Avoid excessively wet soil; choose good drainage.
- Disease
- Tolerant of Dutch elm disease and phloem necrosis; not immune.
Resistance is not a guarantee; deer and rabbits may browse any plant.
Native range
- Native range / parentage
- Garden hybrid; not a naturally occurring North American species.
Seasonal interest
- Foliage
- Deciduous
- Fall color
- Yellow
Growing & care
- Pruning
- Prune during dormancy; avoid growing-season cuts that can attract elm bark beetles.
- Soil
- Adaptable to many soils, including clay and alkaline soil.
Sources & photo credits
University of Minnesota Extension
Photo: Stavast22 · CC BY-SA 4.0
Image notes: Triumph hybrid elm photographed by Stavast22; resized from the original under CC BY-SA 4.0.
Reviewed September 22, 2026. Growing conditions vary by location.