Adam Frost shares the progress that's been made in his garden. Frances Tophill heads to the beach to reveal what gardeners can learn from the coastal plants which have evolved to cope with more extreme conditions. She also meets a head gardener in East Sussex who's experimenting with drought tolerant plants in our ever-changing climate.There's a tree champion in Gloucestershire who has planted and cared for hundreds of fruits trees on a mission to revive lost orchards, and a wildlife gardener in Bristol with a passion for birds. Also in the programme, more viewers share what they've been getting up to in their gardens.