Gardening: The One Outdoor Hobby That Cuts Mortality Risk by 24%

What's the best outdoor hobby for year-round health?

You've probably typed that into a search bar, hoping for a list of options. But here's the blunt truth: if you want a single outdoor hobby that pays off in measurable ways, make it gardening. Not hiking, not birdwatching, not even kayaking. Gardening. And I'm not saying that because it's quaint—I'm saying it because the numbers are hard to argue with.

Imagine you're 65 and feeling the winter blues

Picture this: you're 65, retired, and you've noticed that the short winter days drag on your mood. You've heard about seasonal affective disorder—it's more common where daylight is short, and in places like Hobart, Australia, it affects up to 9% of people (ABC News Australia, 2025). You want something to do that keeps you engaged all year, but you also want it to be genuinely good for you. So you start thinking about gardening.

Why gardening is the highest-leverage outdoor hobby

Here's the thing: a nationwide study followed over 13,000 adults for nearly 17 years and found that any outdoor gardening was linked to a 24% lower risk of death from all causes, a 35% lower risk of heart disease death, and a 19% lower risk of cancer death (Liang et al., NHANES gardening, 2024). Those are not small numbers. And the more you garden, the better—higher frequency and longer duration were associated with even lower mortality risk. So if you're going to pick one outdoor hobby, this is the one with the most robust evidence for longevity.

Step one: Start small, but aim for a dose that matters

You don't need to build a Victory Garden overnight. Start with a few pots on a balcony or a small raised bed. The key is consistency. A meta-analysis of nature exposure found that even as little as 10 minutes outside can produce significant mental health benefits, but for mood improvements, 30 to 60 minutes of forest therapy sessions showed consistent effects (Forest therapy meta-analysis, 2025; Nature exposure meta-analysis, 2025). So aim for at least 30 minutes of gardening, three times a week. That's a realistic goal, and it's enough to move the needle on your physical health too.

Step two: Make it a year-round habit, not a summer fling

You might think gardening is a warm-weather hobby, but that's a mistake. Year-round hobbies that work in every season include painting, yoga, photography, knitting, writing, dancing, and reading—but gardening can be adapted too (Hobby terminology). In winter, you can plan next season's layout, start seeds indoors, or build a cold frame. The point is to keep the habit alive. Aligning your hobby with the seasons can refresh your enthusiasm and reduce routine boredom (Hobby terminology). And if you live somewhere with short winter daylight, remember that aerobic exercise and bright-light exposure can help lift depressive symptoms—so gardening in the winter sun is a double win (Leppämäki et al., 2002).

Step three: Layer in a social or creative twist

Here's where you can boost the benefits even further. A diary study found that engaging in creative activities in the evening was linked to higher positive activation and lower fatigue, with self-expression as the key mechanism (Berkemeyer et al., 2024). So don't just grow vegetables—grow a cutting garden for flower arrangements, or join a community garden. Volunteering at a community garden counts as informal helping, and a study of over 12,000 adults found that informal helping of 100 or more hours per year was associated with a 32% lower risk of death (Volunteering outcome-wide study, 2020). That's a powerful bonus on top of the gardening itself.

Step four: Track your progress and adapt

You don't need a spreadsheet, but a simple journal can help. Note what you planted, what worked, and how you feel after a session. The act of writing is itself a hobby with cognitive benefits—reading at least once a week was associated with lower odds of cognitive decline over 14 years (Chang et al., 2021). So combine gardening with a bit of reflective writing, and you're covering multiple bases. If you find winter gardening too tough, switch to an indoor hobby like knitting or painting, and then return to gardening in spring. The key is to keep moving and keep engaging.

Bottom line

If you want one outdoor hobby that's good for your body and your mind, make it gardening. Start small, aim for at least 30 minutes a few times a week, and keep it going all year. The evidence is clear: gardening is linked to a 24% lower risk of early death, and it's a hobby you can adapt to every season. So grab a trowel and get started.

Sources

• Liang et al. (NHANES gardening, 2024) - https://pubmed.ncbi.nlm.nih.gov/38658226/
• Forest therapy meta-analysis (Front Psychol, 2025) - https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1670804/full
• Nature exposure meta-analysis (Behavioral Sciences, 2025) - https://www.mdpi.com/2076-328X/15/2/153
• Berkemeyer et al. (World Leisure Journal, 2024) - https://www.tandfonline.com/doi/10.1080/16078055.2024.2423404
• Volunteering outcome-wide study (2020) - https://pmc.ncbi.nlm.nih.gov/articles/PMC7375895/
• Chang et al. (Int Psychogeriatr, 2021) - https://pmc.ncbi.nlm.nih.gov/articles/PMC8482376/