Chrysanthemum (or mum) is a genus of flowering plants native to China that belongs to the Asteraceae family. It is related to the aster, dahlia, pot marigold, zinnia and strawflower. It is one of the top 5 most popular plants in the world. Plant breeders are constantly creating new varieties each year. There hundreds of different varieties available, ranging in colours, sizes and forms.The chrysanthemum is one of the longest lasting cut flowers around, lasting well over two weeks.