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Cosmos are easy and reliable plants for summer colour. The dwarf kind
Enjoy the hip parade
Val Bourne celebrates a sturdy flower that twinkles in the autumn sun, proving that the season’s finale can be just as vibrant as its peak
September is a sweet spot for gardeners. There might not be the frenzied burst of activity you see in spring or the bold drama of midsummer in full bloom, says Martyn Cox , but there’s plenty to do before the colder months come round
Make sure your borders look as colourful as possible by promptly deadheading this month to encourage more blooms. Annuals such as cosmos and pot marigolds can run out of steam this month if the flower
It may be September but there’s plenty of life in the garden yet!
Mimic their natural behaviour and get them going now to flower in spring
