Great Plants for Northern Gardens: Day 20 — Balloon Flower

While many plants are regarded as perennials, there are some that are decidedly more “perennial” than others. Balloon flower (Platycodon grandiflorous) is one that is truly worthy of the designation. Once established, a clump of P. grandiflorous will return year after year, demanding nothing special,  tolerant of many sites and soils, and with no insect…

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