Trees/tall shrubs for high water table clay - Knowledgebase Question

Fort Mill, So
Question by jasmoore
March 10, 2009
New house. Developer graded down into dense clay. Very slow percolation. Need to plant minimum 5-6' screen. Tried Leylands last year; drowned. What to do?

Answer from NGA
March 10, 2009


Standing water or a high water table means low oxygen content in the soil. Therefore, trees and shrubs that can tolerate excessive moisture are often better suited to these poor sites. Trees that are able to tolerate moisture are: green ash, river birch, hackberry, bicolor oak, red maple, and Russian olive. Shrubs tolerant of excessive moisture include Elderberry; Winterberry Euonymus; Washington Hawthorn;
American Hazel; Amur Honeysuckle; Common Lilac; Amur Maple; American Plum; and
Skunkbush Sumac. Wish I had more suggestions!

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