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ISHS Acta Horticulturae 639: XXVI International Horticultural Congress: Expanding Roles for Horticulture in Improving Human Well-Being and Life Quality

DOES PLANT COLOR AFFECT EMOTIONAL AND PHYSIOLOGICAL RESPONSES TO LANDSCAPES?

Authors:   A.J. Kaufman, V.I. Lohr
Keywords:   color preference, human issues in horticulture, landscape preference, plant benefits, tree color
DOI:   10.17660/ActaHortic.2004.639.29
Abstract:
Research has shown that people have distinct preferences for and positive emotional responses to trees with a wide canopy. This is the same shape that trees have in regions of Africa’s savannas with appropriate water for human habitation. Tree color is another important cue to habitats that are appropriate for human habitation. For example, nutrient deficient trees would appear yellowish. This paper covers the results of the first phase of a research study designed to test whether people have distinct preferences for and positive emotional and physiological responses to tree canopies of different colors. Results from the first phase showed that people prefer green and red trees to purple and orangish-brown trees. This is consistent with the hypothesis that people respond to specific tree colors because they may be cues to the survival characteristics of a habitat.

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