Botanical name: Ulmus americana
Family: Ulmaceae
Click on images of American Elm to enlarge.
A.K.A. water elm, white elm
- native to eastern North America
- deciduous
- reaching 55-85′ (before dutch elm disease commonly reached well over 100′ in height)
- tall arching, upright, vase shaped crown often without branches near the base of the tree 35′-65′ in width
- trunk can be 3.5′-4′ in diameter
- bark is deeply furrowed and light to dark grey in color
- Broad, flat, simple leaf with double serrated (toothed) margins
- uneven base on the leaf margin
- alternate arrangement on stem and lacks a terminal bud
- hermaphroditic – self pollinating flowers
- produces single seeded, flat, circular samaras with hair-like edges
- rapid growth rate
- tolerant of many stress factors including temperatures in excess of -40F
- grows naturally in bottom lands and wetter areas, although it is a highly adaptable tree
- susceptible to both dutch elm disease and verticillium wilt
- prune in late September to October
- adaptable to alkaline 8.0 pH and acidic 5.1 pH soils
- full to partial sun
- zone 2-9