Ulmus americana

American Elm (White, Gray, Water, or Swamp Elm)

Form and Growth Characteristics:
Plant Type - Tree
Growth Rate - Medium to fast 10-12' in 5 years; this rate of growth is common for many elms
Mature Height - 60-80'
Mature Width - 30-55'
Longevity -

Ornamental Characteristics:
Flower - Perfect, greenish red, in fascicles of 3 or 4, March, interesting but not showy
Fruit - Rounded, notched, disc-shaped samara, 0.5" long, maturing in May through June, not ornamental, greenish, but may have reddish tinge, fringed with hairs
Leaf -
Fall Color - Yellow in fall; great variation in intensity of fall coloration
Bark - Dark gray with broad, deep, intersecting ridges, or often scaly; outer bark in cross section shows layers of a whitish-buff color alternating with thicker dark layers
Other Features - Vase-shaped form in which the trunk divides into several erect limbs strongly arched above and terminating in numerous slender often pendulous branchlets, the whole tree a picture of great beauty and symmetry.
Possible Use -
Season Of Interest -

Culture and Care:
Care Requirements - Easily transplanted; prefers rich, moist soils but grows well under a variety of conditions; in the wild the tree inhabits wet flats where standing water may accumulate in the spring and fall; prune in fall; pH tolerant; shows good soil salt tolerance
Native Habitat - Newfoundland to Florida, west to the foot of the Rockies. Naturally found in bottomlands, floodplains, swamp forests, ravines and rich woodlands. Introduced 1752.
Diseases and Insects - The elms are, unfortunately, subject to many pests. Many of the pests are devastating and control measures are simply not effective or available.
Strength -
Weakness -

Plants of this taxon:

Find Related Plants:
- Other plants with the common name Elm.
- Other plants of the family Ulmaceae.
- Other plants of the genus Ulmus.
- Other plants of the species Ulmus americana.