What Is a Million Bells Flower?

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Million bells (Calibrachoa) is a small, dense plant that sprawls or grows in a mound, depending on the variety. It produces small yellow, pink or purple flowers. The plant is often used in window boxes, patio planters and hanging baskets, or in mass plantings.


  • Million bells grows best in locations with full sun, but it tolerates some light afternoon shade. Plant it in an area of fertile, well-drained soil with a pH near 6.0.


  • Million bells is a heavy feeder that may benefit from the use of a controlled-release fertilizer.


  • Million bells requires a soil temperature of 68 to 74 degrees Fahrenheit. Daytime air temperatures of 68 to 75 degrees are recommended. Nighttime temperatures should be between 50 and 60 degrees. Temperatures that are too high cause reduced flowers.


  • According to Penn State Cooperative Extension Dauphin County, million bells is troubled by whiteflies, leafminers, aphids, thrips and fungus gnats. It may also suffer from root rot, so it is important to keep the soil from becoming soggy and feeding the harmful bacteria.

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