Frequency of the Use and Survival of Selected Street Tree Taxa in Three Wisconsin Cities
Miller, Randall H.
University of Wisconsin-Stevens Point, College of Natural Resources
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Planting records for Milwaukee, Waukesha, and Stevens Point Wisconsin were examined to determine frequency of taxa use. Records indicated homogeneity emphasizing Norway maple, green ash, littleleaf linden and honeylocust. Homogeneity was augmented by reliance on a few cultivars, especially 'Emerald Queen', 'Schwedler' and 'Columnar' Norway maple and 'Marshall's Seedless' green ash. Connonly planted taxa: Norway maple, green ash, honeylocust, callery pear, English oak, Crimean linden and littleleaf linden were sampled and examined for survival in Milwaukee, Waukesha and Stevens Point, Wisconsin. A four year establishment period was indicated. It was generally independent of taxa but 'Autumn Purple',white ash nearly failed in Milwaukee, while honeylocust and green ash performed well in Waukesha. Cultivars of Norway maple did not perform well enough to justify their emphasis in planting records. Heavy traffic (over 15,000 cars per day) was found to reduce survival in Milwaukee.