Conservation
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What Trees will be most Affected?

The commonly planted species with the highest tolerance to flooding may be able to withstand more than a month of flooding. Trees with an intermediate tolerance to flooding may be able to withstand several weeks to a month of flooding. The trees with the lowest tolerance to flooding may decline after only weeks of flooding.

High Tolerance Intermediate Tolerance Low Tolerance
Boxelder - Acer negundo Freeman Maples - Acer x freeman Norway Maple - Acer platanoides
Red Maple - Acer rubrum Silver Maple - Acer saccharinum Sugar Maple - Acer saccharum
Green Ash - Fraxinus pennsylvanica River Birch - Betula nigra Ohio Buckeye - Aesculus glabra
Black Ash - Fraxinus nigra Hackberry - Celtis occidentalis Birch (except river birch) -Betula spp.
Black Willow - Salix nigra White Ash - Fraxinus americana Most Hawthorns - Crataegus spp.
  Honeylocust - Gleditsia triacanthos Russian-olive - Elaeaganus angustifolia
Cottonwood and Poplars - Populus spp. Kentucky Coffeetree -Gymncladus dioicus
Bur Oak and Swamp White Oak - Quercus spp. Black Walnut - Juglans nigra
American Elm - Ulmus americana Apples and Crabapples - Malus spp.
All Cherries (including black cherry) - Prunus spp.
Pines - Pinus spp.
Spruce - Picea spp.
Northern Red Oak - Quercus rubra
Mountain Ash - Sorbus spp.
Lindens - Tilia spp.
Hybrid Elms (Discovery and Accolade) - Ulmus spp.
Siberian Elm - Ulmus pumila


* Taken in part from Flood-damaged Trees, South Dakota Cooperative Extension Service publication: EXEX6025, 2011.