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Balloon flower (Platycodon grandiflorus) is one of those fun plants to grow in the garden with kids. Balloon flowers get their name from the unopened buds, which swell up prior to opening and resemble little hot-air balloons. Kids are fascinated by these plants and will typically pop them for sport by squeezing the sides, making them burst open with a soft, popping sound. Growing balloon flowers with children can be quite fun. The opened flowers resemble those of bellflowers, their kissing cousin. While most often deep blue or purple, white and pink varieties are also available. And depending where you are, the balloon flower may also be known as Chinese or Japanese bellflower. Not only are they easy to grow, but these plants are easy to care for as well. If desired, they can be fertilized with a slow-release fertilizer in spring. From there, you simply water as needed. With exception to occasional bouts of slugs or snails, balloon flower pests are few. Basically, all you’ll need to do for these plants is sit back and enjoy these long-blooming plants throughout summer. Of course, they may require staking if falling over. You can also add them to cut flower arrangements. Since the succulent stems have milky sap, you’ll need to lightly singe the cut ends with a candle (or match) immediately after cutting to make them last longer. In fall you can add an ample layer of mulch for winter protection. Balloon flower plants don’t really like being disturbed; and although division can be done, it’s often difficult. Therefore, propagation by seed is better or cuttings can be taken in spring, if desired.