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Arboriculture & Urban Forestry Online
Volume 29, Issue 6 — November 2003

Landscape Tree Cultivar Preferences in Iowa, U.S.    (View PDF)

Jeffery K. Iles and Anna M. Vold

Abstract: A survey questionnaire was mailed to all 142 active members of the Iowa Nursery and Landscape Association to characterize landscape tree cultivar preferences among green-industry professionals and their clients. Respondents identified Acer rubrum 'Franksred' (Red Sunset« red maple), Acer saccharum 'Green Mountain' (sugar maple), Acer platanoides 'Pond' (Emerald Lustreď Norway maple), Acer ┤ freemanii 'Jeffersred' (Autumn Blaze« Freeman maple), Fraxinus americana 'Junginger' (Autumn Purple« white ash), Fraxinus pennsylvanica 'Patmore' (green ash), Gleditsia triacanthos var. inermis 'Skycole' (Skyline« honeylocust), Tilia americana 'Redmond' (American linden), and Tilia cordata 'PNI 6025' (Greenspire« littleleaf linden) as the best-selling cultivars within nine species of trees. Betula nigra 'Cully' (Heritage« river birch) and Malus 'Prairifire' (crabapple) were identified as the best-selling cultivars in their respective genera. Considering all landscape trees sold in Iowa, our respondents identified Acer ┤ freemanii 'Jeffersred' (Autumn Blaze« Freeman maple) as the overall best-selling selection. Overuse of these popular selections, however, could be problematic should any prove susceptible to serious, health-threatening insects, diseases, or abiotic disorders.

Keywords: Survey questionnaire; plant material trends; genetic diversity; tree preferences.

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