hanging basket
From Longman Dictionary of Contemporary Englishhanging basketˌhanging ˈbasket noun [countable] a basket with plants growing in it that is hung on the outside of a building as decorationExamples from the Corpushanging basket• Another way to grow a carrot top is in a hanging basket.• If you don't have one, get a window box or hanging basket.• When the feathery shoots appear, they will grow up around the carrot top to make a pretty hanging basket.