Fraxinus pennsylvanica 'Marshall'
Common name: 
Marshall Ash
Marshall's Seedless Ash
Pronunciation: 
FRAKS-i-nus pen-sil-VAN-i-ka
Family: 
Oleaceae
Genus: 
Fraxinus
Type: 
Broadleaf
Native to (or naturalized in) Oregon: 
No
  • Deciduous tree, broadly oval, to 50 ft (15 m) tall and 40 ft (12 m) wide.  Leaves glossy green, turn bright yellow in fall.  A male tree so it is seedless.
  • Sun
  • Hardy to USDA Zone 3     The most commonly planted Green Ash cultivar.  It is a seedless and visually identical to a regular male green ash (Jacobson, 1996).  'Marshall' refers to Marshall Nursery of Arlington, Nebraska and/or George A. Marshall of that nursery.
  • Alert: An invasive, non-native, insect pest, the Emerald Ash Borer (EAB) is present in Oregon and in much of the easthern U.S. The larvee of this pest feed on the inner bark of ash trees native to North America and Eurpoe, disrupting nutrient and water transport, which often results in tree death. For more information on this potentionally devistataing insect pest, click on Fraxinus in the Genus listing above.
  • Oregon State Univ. campus: several located at southeast corner of Campus Way and 35th St., west of USDA Forage Seed lab.
Click image to enlarge
  • plant habit

    plant habit

  • leaves

    leaves

  • leaves, upper and lower surfaces

    leaves, upper and lower surfaces

  • plant habit, summer and fall

    plant habit, summer and fall

  • leaf, summer

    leaf, summer

  • leaf, fall

    leaf, fall

  • trunk, bark

    trunk, bark

  • twig terminal, late fall

    twig terminal, late fall

  • male (pollen) flowers, spring

    male (pollen) flowers, spring