Gardening in September: While you enjoy the vibrant colours ... Water regularly when it's dry. Flower spikes should be removed,' advise the experts at British Garden Centres.

Mid-season daffodils, 'Actaea'; 'Bridal Crown'; or Trumpet Daffodils, start to blossom in April and can last all the way ...

Cornflower is a hardy annual that can be sown directly into the backyard in September for early flowering next year. These easy-to-grow flowers are low-maintenance and great for wildlife gardens.