24/08/2026
Gardening is linked to a longer life. Here’s how it helps your body.
Even a few sessions a week can provide moderate exercise, sensory stimulation, stress relief, and a stronger sense of purpose.
Doctors usually prescribe medication or medical treatment. But increasingly, they’re also recommending activities such as gardening to support mental and physical health.
Spending time in nature can also help activate the parasympathetic nervous system, the body’s “rest and digest” mode, says neuroscientist Marion Oberhuber, founder of the Plant Wisdom Project. “We receive sensory stimulation and the vagus nerve transmits the signal that we are safe, bringing down cortisol.” Gardening is particularly powerful because it provides multisensory stimulation: seeing plants and wildlife, hearing birdsong, touching leaves and soil, and breathing in natural scents.
(Why does time spent in nature relieve stress?)
That calming effect may also support sleep. A 2025 trial found that older adults who participated in horticultural therapy reported improved sleep quality. Researchers suggested that reduced stress may have played a role. “If you're getting poor sleep because of elevated or chronic cortisol activation, your body isn't able to repair itself as much as it should,” says neuroscience researcher Mia Soviero.
Gardening may benefit health in other ways, too. People who garden tend to eat more fruits and vegetables, and emerging research suggests that handling plants and soil indoors may expose the body to microorganisms that help regulate immune and inflammatory responses. “These tiny organisms create a reduction in inflammatory responses in the body and promote the helpful aspects of the immune system,” Coyne says.