Frontier Elm             UL-mus

• Broadleaf deciduous tree, upright-pyramidal, finally oval shape, about 40 ft tall and 30 ft wide (12 × 9 m), faster growing than male parent, U. parvifolia.  Leaves alternate, simple, reddish when young, variable shape, 6.5-11 cm long and 3-5 cm wide, tip acuminate to obtuse, base unequal, sometimes somewhat wedge-shaped (cuneate), margin serrate, upper glossy green; long-lasting red-purple color in fall.  Rarely flowers, no seed production observed.
• Sun to partial shade.  Reportedly tolerant of Elm Yellows, Dutch Elm Disease and urban conditions.
• Hardy to USDA Zone 5       This hybrid selection resulted from a controlled pollination of U. carpinifolia with U. parvifolia by A.M. Townsend in 1971 at the USDA station in Delaware, Ohio.  Released by the USDA, US National Arboretum in 1990.
• Oregon State Univ. campus: NE Education Hall, near 15th St.