Campanula americana, the American or tall bellflower, is a native North American wildflower with light blue to purple summer bells, usually grown in partial shade and rich, moist soil. It is sometimes annual and sometimes biennial depending on when it germinates.
Family
Campanulaceae (Campanul family)
Grows as
Annual
Light
Part shade
Water
Keep soil evenly moist, especially during summer bloom, but avoid waterlogging.
Soil
Rich, loamy, slightly alkaline soil (pH about 6.8 to 7.2).
Temperature
Hardy in USDA zones 4 to 8; tolerates cold winters.
How easy
Easy
About
Campanula americana, the American bellflower, or tall bellflower, is an herbaceous wildflower and a member of the Campanulaceae family. Common binomial synonyms are Campanulastrum americana and Campanulastrum americanum. American bellflowers are native to the Eastern United States and Canada, often found growing along stream banks and woods. They bloom in the summer months with light blue to purple flowers. American bellflowers can be annual or biennial plants, depending on the season of germination.
How to grow it
American bellflowers are popular for decorative landscaping purposes, and thrive in mass groupings. American bellflowers grow within Zones 4–8 of the USDA Hardiness Zone.
Native American groups have used different parts of the American Bellflower for respiratory cures. Specifically, the Haudenosaunee group treated whooping cough with a root infusion. The Meskwaki treated coughing and tuberculosis with the leaves.
Where it grows
American bellflowers are native to the Eastern United States, with their habitat clustered latitudinally along the Mississippi. American bellflowers grow from the Great Lakes region in southern Ontario south to Florida and from the Dakotas east to New York. The species is found in the US states of Alabama, Arkansas, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Minnesota, Maine, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Virginia, Wisconsin and West Virginia.
Text excerpted from the Wikipedia article Campanula americana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.