Gardening is a great way for older adults to meet their recommended daily 30 minutes of moderate-intensity physical activity. Researchers at Kansas State University discovered that among the health benefits of gardening is keeping older hands strong and nimble while improving self-esteem. It’s probably no surprise that gardening, and all the physical activity that goes along with it, leads to weight loss and other better overall physical health. But did you know that gardening can improve your bones as well? Gardening strengthens your bones in a way similar to weight training.