The arrival of autumn is to be welcomed when you have a heather display to look forward to calluna vulgaris 39wickwar flame39 holds an rhs agm for its superb garden performance due to the yellow foliage in summer that turns a warm bronze red during autumn and the short spikes of mauve pink flowers this attractive evergreen has a bushy spreading habit making it perfect for ground cover or flashes of colour in acid borders heathers require acid conditions to flourish so they require eri