Adam Frost's gardening for health – a happy head

If you garden regularly, you’ll know that time spent tending your plot makes you feel good. When we're feeling stressed, anxious or overwhelmed, a bit of time pottering about outside helps us feel better. But why? What is it about gardening that boosts our mood so positively Adam Frost talks to Professor Harriet Gross, author of The Psychology of Gardening, to understand exactly why gardening is so beneficial for our mental health and wellbeing.