Gardener's World Special, 8pm, BBC2
RACHEL de Thame (pictured) reveals the delights of her own backyard as she prepares to create a contemporary cottage garden at her home in the beautiful Cotswolds.
With the quintessential English cottage garden experiencing problems as climate change threatens the survival of many of its iconic plants, she embarks on a journey to discover how far this national treasure has evolved over the years.
She explores how it risks becoming a thing of the past if Britain continues to struggle with the ever-changing weather of the 21st century.