Balloon flower (Platycodon grandiflorus) is a great example. Once you see one of these plants covered in balloon-shaped buds and getting ready to burst into bloom, you’ll know exactly where the ...

Home & Garden; Balloon flowers are care-free summer bloomers . Updated: Aug. 10, ... Lavender, catmint, coreopsis, artemisia and lambs-ear are good companion plants for balloon flowers.

It's best to plant them alongside other species that flower throughout the summer, such as artemisia, gaillardia, rudbeckia, Russian sage and yarrow. Balloon flowers prefer moist, well-drained soil.

I consider this plant mostly a fall plant in that the flower comes into bloom in the fall. My seven-son flower grows to be 15 feet tall. This tall shrub has a multiple stem habit.