American Elm (Ulmus americana 'Valley Forge')

Common names:
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General Plant Information (Edit)
Plant Habit: Tree
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 60 - 70 feet
Plant Spread: 50 - 60 feet
Leaves: Good fall color
Deciduous
Flowers: Inconspicuous
Flower Color: Brown
Bloom Size: Under 1"
Flower Time: Spring
Suitable Locations: Street Tree
Uses: Shade Tree
Resistances: Deer Resistant
Rabbit Resistant
Drought tolerant
Salt tolerant
Propagation: Other methods: Cuttings: Stem
Pollinators: Wind
Miscellaneous: Tolerates poor soil
Monoecious

young tree

Photo gallery:
Location: Morton Arboretum in Lisle, IllinoisDate: 2017-09-05young tree
By ILPARW
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Location: Morton Arboretum in Lisle, IllinoisDate: 2017-09-05two young trees
By ILPARW
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Location: Morton Arboretum in Lisle, IllinoisDate: 2015-06-19summer foliage
By ILPARW
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Comments:
Posted by Dodecatheon3 (Northwest Arkansas - Zone 6b) on May 16, 2014 5:09 AM

'Valley Forge' has excellent resistance to Dutch Elm Disease.

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Posted by ILPARW (southeast Pennsylvania - Zone 6b) on Oct 7, 2018 8:50 PM

This cultivar was brought forth in 1966 at the National Arboretum in Washington D.C. and tested for 20 years with the highest resistance rating of 96% against the Dutch Elm Disease. It is grown on its own roots and not grafted. Bailey Nursery in southern Minnesota lists this as being good for USDA Zones 4 to 7. However, the University of Florida makes mention of it, so not sure of the southern limit.

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