Researchers from the Royal Horticultural Society and the University of Sheffield have identified a direct link between flower color saturation and human emotion. by studying over 11,000 visitors at RHS Wisley Garden, the team discovered that vivid colors, particularly red, trigger the strongest emotional responses.
The 60% preference for vivid hues
The study, which was published in the journal Acta Psychologica, reveals a overwhelming preference for intensity in the natural world. According to the findings, vivid hues accounted for six in ten of the favorite shades selected by gardeners, significantly outperforming other categories. In contrast, muted tones were chosen by 18 percent of participants, while dark and light colors represented only 12 percent and 8 percent, respectively.
This preference for saturation was measured through a specific methodology at RHS Wisley Garden in Surrey. More than 11,000 visitors were presented with over 30 different flower hues on a screen for 15-second intervals, after which they identified the specific emotion each color triggered. this suggests that the visual impact of a garden is driven more by the intensity of the pigment than by the variety of species present.
Red's seasonal dominance and the spring yellow surge
While red was identified as the most popular color for inspiring love and admiration, its dominance is not absolute throughout the year.. The research, led by Dr. Ashby Sachs, found that red's popularity held firm across three of the four seasons. However, during the spring months, red is "pipped" by yellow, which becomes the preferred choice for many gardeners.
Yellow and orange blooms serve a specific psychological purpose in the garden, as they were most frequently chosen by those seeking a boost in energy or a sense of joy. As reported by the Royal Horticultural Society, yellow blooms produced the highest scores for happiness, making them a vital tool for gardeners looking to brighten a space during the transition from winter to spring.
Using blue and purple to engineer relaxation
For those looking to design spaces for tranquility, the study suggests moving away from high-energy warm tones. Professor Ross Cameron, a professor of environmental horticulture at the University of Sheffield, noted that saturated warm colors like red and yellow are best used to energize a space, whereas cooler shades serve a different function.
Specifically, cooler shades such as blue and purple were found to inspire calm and relaxation more effectively than any other color group. While white and grey blooms were rated as calming, they were also described by participants as "boring," suggesting that a successful therapeutic garden requires a careful balance of saturation and hue to avoid emotional stagnation.
Does the preference hold outside of Surrey?
While the data from the RHS Wisley Garden study provides a robust framework for garden design, several questions remain regarding the universality of these findings. Because the study focused on a specific group of visitors in a single location,it is unclear if these color-emotion associations are consistent across different global cultures or geographic regions.
Furthermore, the research does not account for the interplay between color and scent, which is a primary sensory driver in horticulture. It remains to be seen whether the emotional pull of a vivid red bloom is enhanced or even overridden by its fragrance, or if the 15-second visual exposure used in the study is sufficient to capture the deep-seated psychological responses experienced in a real-world garden setting.
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