Ulmus rubra

    • BOTANICAL NAME: Ulmus rubra
    • COMMON NAME: Red Elm “Slippery Elm”
    • FAMILY: Ulmaceae
    • NATIVITY: Canada to Texas
    • GROWTH HABIT: 40-60’ (100’)
    • HARDINESS:  USDA Zone 3 to 9
    • OPTIMUM GROWING CONDITIONS:  Grows best in full sun and rich, moist soils throughout eastern US.
    • SUCCESSIONAL STATUS: Successional
    • FACULTATIVE STATUS:  Facultative
    • LANDSCAPE VALUE:  Usually grows in around hedges and borders but becomes a nuisance in many areas.
    • FOLIAGE:   Highly resembles U. americana, alternate, simple, and serrated. Hirsute hairs and Yellow fall color.
    • BUDS:  Medium in size and only lateral; dark brown and darker at tips, flower buds are colored and larger.
    • BARK:  Deeply furrowed and reddish gray in color
    • FRUIT:  Orbicular samara
    • PESTS:  Dutch elm, otherwise none serious
University of Delaware

University of Delaware Botanic GardensNewark, DE 19716Phone: 302 831-0153