Million Bells Plant. Calibrachoas (also known as million bells, trailing petunias or superbells) are tender perennials grown as annuals in the uk. Sometimes called million bells, they are prolific bloomers;
Million bells is a trailing annual that fills out planters and baskets with a bushy canopy of bright green foliage. Ad best deals on thousands of products. Million bells plants deserve the name, they produce hundreds of flowers from early summer through fall.