RESEARCH

Garden Smellscape–Experiences of Plant Scents in a Nature-Based Intervention

The study found that pelargonium (especially the “Dr. Westerlund” variety) was the most frequently mentioned plant, with participants using its citrus scent to feel calm and reduce stress both during and after the program. Natural smells were consistently described as triggers for positive emotions and memories, while artificial odors were linked to stress, anxiety, and unpleasant past experiences.

Program Types: Therapeutic

Population Groups: Mental Health Challenges/Trauma

Setting or Context: Public/Botanical Gardens

Health and Wellness Outcomes: Improved Mental Health, Enhanced Emotional Well-being, Improved Stress Management, Sensory Stimulation

Type of Activity: Sensory Stimulation, Indoor Plant Care

Evidence Type: Case Studies, Qualitative Research

Measurement and Evaluation: Patient-Reported Outcomes

Access: Free

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Summary

This study explored how people with stress-related mental health issues responded to the smells of plants during a 12-week nature-based rehabilitation program in a garden setting in Sweden. Over five years, 59 participants took part in the program and were later interviewed about how they experienced plant scents—like herbs, soil, and flowers—while engaging in activities like drinking herbal tea, gardening, and walking through the greenhouses. Researchers analyzed these interviews to understand how smells affected emotions, memories, and overall well-being during and after the program.

Participants often said that natural scents like lavender, rosemary, and especially citrus-scented pelargoniums made them feel calm, happy, and more connected to nature. Many described these smells as comforting, helping them manage stress and even triggering fond memories from childhood. In contrast, artificial odors like perfume or hospital smells were described as unpleasant and stressful. After the program, some participants took plant cuttings home to continue using the scents as a way to reduce stress and reconnect with positive feelings.

Link

Pálsdóttir, A.M., Spendrup, S., Mårtensson, L., & Wendin, K. (2021). Garden smellscape-experiences of plant scents in a nature-based intervention. Front Psychol., 12, 667957

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RESEARCH

Garden Smellscape–Experiences of Plant Scents in a Nature-Based Intervention

Summary

Link

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