There are several types of balloon flowers that range from 6 inches tall to mine which are about 4 feet tall.
When I got them several years ago I had no idea they would be so tall but I'm glad they are.
They are perfect mixed in with the black eyed Susansand they add nice height to the garden. The black eyed Susans are pretty much done blooming but that's okay. The pretty, blue balloon flowers can also stand alone.
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