Calibrachoa Plant. Their common name of million bells well illustrates their floriferous nature. They'll spread 12 inches to 24 inches, but they'll grow only about four to six inches tall.
If you plant them in borders, keep them near the front because they can get lost among larger plants. Calibrachoa is a popular garden annual that blooms continuously from planting until frost and is ideal for containers, hanging baskets, or raised beds. Calibrachoa, also known as million bells, is one of the most popular plants for growing in containers.
