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.

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.

Loved by bees, it's an great choice for gardeners hoping to attract more pollinators to their garden. Though it flowers from May to September, gardeners can get ahead by planting them now.