Alan Titchmarsh opens his gardening club for a wealth of tips, tricks, and insights. This week, Anna Greenland shares her expert advice for increasing biodiversity in our green spaces, while plant expert Sarah Gerrard-Jones provides a masterclass in orchids. David Domoney shares techniques for growing plants from cuttings, and amateur gardener Alex continues his vegetable-growing journey.

Alan Titchmarsh and his gardening club team offer valuable tips and insights. This week, Sarah Gerrard-Jones provides a terrarium masterclass, David Domoney creates a wildflower garden, Lucy Willcox explores garden zoning, and Camilla Bassett-Smith takes a look at the inner workings of an acclaimed garden.