Scientific Name
Ulmus americana 'Princeton'
Family
Ulmaceae (elms)
Description
A fast-growing cultivar of the native American Elm selected for its high resistance to Dutch Elm Disease; features the classic upright, vase-shaped silhouette.
Leaves: Alternate, simple, 3–6 inches long, oval with asymmetrical bases; edges are doubly serrated; surface is dark green and typically smoother than other American Elms.
Bark: Dark gray and thick, with deep intersecting furrows and broad, flat-topped ridges.
Twigs: Slender, brown, smooth (not hairy like the Siberian Elm).
Flowers: March–April; small, greenish-red clusters appearing before leaves; drooping on long stalks.
Fruits: April–May; flat, papery, disc-shaped winged seeds (samaras), about ½ inch long with a distinct notch at the tip and hairy margins.
Other Common Names
Princeton Elm, Liberty Elm
Size
Height: 60–80 feet.