Monty Don revisits his container vegetable garden, offering advice on how to get a good crop of pumpkins. He also meets Jake Hobson, one of the UK's leading cloud pruning and topiary experts. Adam Frost looks at a newly planted garden at RHS Hyde Hall in Essex, which has been designed to display both hardy and exotic vegetables. Plus, Rachel de Thame visits a garden in Wiltshire where vibrant colours are the key to the success of its summer borders and Flo Headlam returns to Potterne to check on the progress of the new community space.