Part 5: The Science Behind Why Flowers Make Us Happy

In Part 1, we explored the physiological and psychological benefits of flowers. In Part 2, we looked at how color and palette influence mood. In Part 3, we focused on the social benefits of sharing flowers. In Part 4, we examined flowers’ role in memory, focus, and creativity. Now, in Part 5, let’s explore one of the most powerful but subtle aspects of blooms: their fragrance.

🌸 Why Scent Matters

Smell is the only sense that connects directly to the brain’s limbic system—the center of memory and emotion. That’s why smelling a single flower can instantly bring back childhood memories or shift your mood. Unlike sight or sound, scent bypasses rational thought and goes straight to feeling! Isn’t that wild?

🌿 Lavender: Calm & Sleep Support

Lavender has been studied extensively for its effects on anxiety and sleep. In one clinical trial, inhaling lavender essential oil improved sleep quality and reduced heart rate variability associated with stress.š Another study linked lavender scent to lowered cortisol (the stress hormone).²

At the farm: Our lavender plants invite you to gently rub the leaves or blossoms between your fingers and enjoy the calming aroma. Visitors often tuck a stem into their bouquet for lasting fragrance at home. Fun fact: Even when not in bloom, lavender plants (their leaves) still have a beautiful lavender smell!

🌱 Basil & Herbal Blooms: Focus & Energy

The uplifting aroma of basil and other fragrant herbs is associated with improved alertness and reduced fatigue.Âł In aromatherapy studies, basil oil increased mental clarity and focus, making it a natural support for concentration.

At the farm: Basil bouquets not only look beautiful but also provide a refreshing scent—perfect for students from ETSU or Milligan who need a study boost. My favorite scent on the whole farm might just be the cinnamon basil (or maybe it ties with lavender!). To me, it almost smells like some weird candy. I try to breathe a little in every day.

🌺 Roses & Emotional Well-Being

Rose fragrance has long been linked to relaxation and reduced depressive symptoms. Studies show that rose oil can lower breathing rate and support feelings of comfort and safety.⁴

At the farm: Even though we don’t grow roses at the farm, bouquets with other fragrant blooms (like monarda(bee balm) or lavender) mimic the same comforting effect.

🌼 Fragrance & Memory

Because scent is tied to the limbic system, it acts as a powerful memory trigger. Exposure to certain floral fragrances can improve recall and emotional balance.⁾ This is why the smell of lavender or fresh-cut grass can bring you right back to childhood summers. For more on this, see part 4!

At the farm: Take a moment to pause while picking. Close your eyes, breathe in, and notice how the scent of the field makes you feel. These small rituals help anchor memories and joy.

💐 Experience the Healing Power of Scent

If you’re searching for things to do in Johnson City, TN that combine nature, beauty, and well-being, Harvey Family Farm is the place to be. Picking flowers here isn’t just about what you see—it’s about what you breathe in. The scents of lavender, basil, and late-summer blooms add depth to your experience and carry the memory home.

References

  1. Lillehei, A.S. et al. (2015). The effect of lavender aromatherapy on sleep quality and heart rate variability.Evidence-Based Complementary and Alternative Medicine. https://pubmed.ncbi.nlm.nih.gov/25821471/

  2. Koulivand, P.H. et al. (2013). Lavender and the nervous system. Evidence-Based Complementary and Alternative Medicine. https://pubmed.ncbi.nlm.nih.gov/23573142/

  3. Kaga, H. et al. (2013). Effects of basil essential oil on mental fatigue and task performance. Natural Product Communications.

  4. Hongratanaworakit, T. (2009). Relaxing effect of rose oil on humans. Natural Product Communications.

  5. Herz, R.S. (2016). The role of odor-evoked memory in psychological and physiological health. Brain Sciences. https://www.mdpi.com/2076-3425/6/3/22

Coming soon in Part 6: Flowers Across Cultures & History—how blooms have symbolized joy, healing, and connection throughout human tradition.

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Part 6: The Science Behind Why Flowers Make Us Happy

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Part 4: The Science Behind Why Flowers Make Us Happy