Jo Whiley and Arit Anderson return to the Royal Horticultural Society's Hampton Court Palace Garden Festival, celebrating the newcomers and legends of this annual gardening event with our team of experts. Joe Swift meets the ‘grow your own' gurus showcasing their work in the RHS community allotments, and Tayshan Hayden Smith joins to share his thoughts on his first ever visit to a flower show.Rachel de Thame celebrates the work of this year's horticultural icon, designer Tom Stuart Smith, and we catch up with the master growers for 2021, the legendary Hardy's nursery.There's also lots of take-home advice as Carol Klein explores the plant village with top tips for getting the most from your next garden centre visit, while Toby Buckland continues his guide to creating the perfect outdoor living space.