The Great Barn: Chillies, Camellias and Consciousness

Peter and Gardeners’ Question Time panel visit the historic Great Barn in Harmondsworth. Beneath the medieval beams, Peter is joined by Bunny Guinness, Francis Tophill and James Wong as they tackle a wonderfully wide‑ranging set of questions from the audience that are as thought‑provoking as they are informative. Are plants conscious? Why do camellia buds turn brown and drop? And which plants…