Ulmus americana 'Jefferson'
Object Details
- Description
- This American elm cultivar has strong resistance to Dutch elm disease, but is mainly only planted in Washington, DC. Introduced in 2005, it was reportedly cloned from an elm right here on the National Mall that has survived since the 1930s. It is considered sterile.
- Hardiness
- -20 - 30 F
- Bloom Time
- February to March
- Provenance
- From a cultivated plant not of known wild origin
- Data Source
- Smithsonian Gardens
- Accession Number
- 2023-0541A
- Restrictions & Rights
- Usage conditions apply
- Life Form
- Deciduous tree
- Average Height
- 40-50'
- Fall Color
- Yellow
- Foliage Characteristics
- Simple, alternate, ovate, double serrated leaves.
- Fruit Characteristics
- Sterile
- Structure
- Vase
- Range
- Cultivated
- See more items in
- Smithsonian Gardens Tree Collection
- On Display
- National Museum of Natural History
- Common Name
- American Elm cultivar
- Group
- [vascular plants]
- Class
- Equisetopsida
- Subclass
- Magnoliidae
- Superorder
- Rosanae
- Order
- Rosales
- Family
- Ulmaceae
- Genus
- Ulmus
- Species
- americana
- Topic
- Trees
- Living Collections
- Record ID
- ofeo-sg_2023-0541A
