Audley End’s horticulture trainees are working on a Beautiful Border to inspire visitors to BBC Gardeners’ World Autumn Fair this month. The exhibits are compact, miniature show gardens, packed with creative design ideas and planting inspiration for small or difficult garden spaces. The theme for this year’s Beautiful Borders is Share My Space, highlighting the power of gardening to create a sense of community. Pete Buchanan and Libby Bettney are part of the English Heritage historic and botanic garden training programme. Their Beautiful Border, Shared Ecologies, is designed to bring plant, an…