If you find you absolutely must transplant your balloon flower, lift the clumps in either spring or fall. You will need to dig deeply to avoid damaging the thick roots, which reach way down into the soil.
Can you move platycodon?
Water the plant well the day before. Place shovel along the drip line, which is as far out as the leaves go. ... If you're transplanting balloon flowers, known botanically as platycodon, you may already know that the plant likes sun and well-drained soil and is long-lived, but slow to emerge in spring.
Can balloon flowers be transplanted?
Balloon flowers have a long taproot and don't like to be transplanted, so this isn't a great plant to divide and share. If you do divide them, don't dig up the whole plant. Instead, slice off a piece of it with a knife, taking care to get a piece of the root.