The science behind the effect of flowers on physical and mental health is fascinating. Here are some links to some of the most interesting research on the subject, so that you can further explore this intriguing topic.
https://www.petalrepublic.com/benefits-of-flowers/https://www.petalrepublic.com/benefits-of-flowers/
The physiological and psychological relaxing effects of viewing rose flowers in office workers – PMC
An Environmental Approach to Positive Emotion: Flowers
The Healing Power of Nature: How Flowers Reduce Stress and Anxiety – Your Health Magazine