Marni Rose McFall is a Newsweek reporter based in London, U.K. Her focus is on internet trends, U.S. politics and popular culture. She has covered fashion, culture, art and music extensively.

Nothing marks the end of winter like a cheery spring flower. From the first snowdrops and daffodils to classic spring flowers like primroses and hellebores, these blooms are used by gardeners as a ...