New Harmony American Elm
New Harmony American Elm (Ulmus americana 'New Harmony')
New Harmony American Elm (Ulmus americana 'New Harmony') is a fast-growing shade tree that preserves the iconic vase-shaped form of classic American elms while offering strong resistance to Dutch elm disease. Its upright growth, dark green foliage, and stately silhouette make it ideal for large landscapes seeking historical charm with modern durability.
Distinctive Features
Reaching 60 to 80 feet tall and 40 to 60 feet wide, this cultivar features a strong central trunk and arching limbs that form an elegant canopy. Leaves are large, textured, and turn a soft yellow in fall. It maintains the traditional American elm look while showing impressive resilience in urban and suburban environments.
Growing Conditions
- Sun Exposure: Full sun
- Soil Type: Tolerates loam, clay, and sandy soils
- Soil pH: Adaptable from acidic to slightly alkaline
- Water Needs: Moderate, with good drought tolerance once mature
- USDA Hardiness Zones: 4 to 9
Ideal Uses
- Focal point tree for expansive yards or institutional grounds
- Street or boulevard planting in communities restoring historic tree lines
- Shade canopy for parks, campuses, and open public spaces
- Windbreak or shade tree for rural homesteads
- Revival of traditional elm-lined avenues with modern disease resistance
Low Maintenance Care
- Prune to shape in early years, then minimal upkeep
- Mulch base to retain moisture and insulate roots
- Water deeply during long dry spells, especially when young
- Resistant to Dutch elm disease and phloem necrosis
- Monitor for elm leaf beetles and minor insect pests
Why Choose New Harmony American Elm
- Preserves the iconic American elm structure with improved disease resistance
- Fast-growing with a commanding presence
- Adapts to a wide range of growing conditions
- Ideal for reestablishing the grandeur of historic tree plantings
- A bold and elegant focal point with strong cultural legacy
New Harmony American Elm combines classic elegance with modern resilience, providing a dependable and striking focal point for landscapes inspired by America�s most beloved street tree.

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