Side-by-side plant comparison — which is right for your garden?
Platycodon grandiflorus
Campanulaceae · flowers
Ipomoea batatas
Convolvulaceae · vegetables
Balloon Flower (Zones 3-8)
Sweet Potato (Zones 3-11)
Overlap: Both grow in zones 3–8
| Feature | Balloon Flower | Sweet Potato |
|---|---|---|
| Scientific Name | Platycodon grandiflorus | Ipomoea batatas |
| Family | Campanulaceae | Convolvulaceae |
| Category | flowers | vegetables |
| Sun | ☀️ Full Sun to Part Shade | ☀️ Full Sun |
| Water | 💧💧 Medium | 💧💧 Medium |
| Soil | Well-drained | Loose, Sandy |
| Height | 2' | 1' |
| Spread | 1' | 4' |
| Bloom Season | Summer | Late Summer-Fall |
| Bloom Color | Blue, White, Pink | Purple (occasional) |
| Growth Rate | Medium | Fast |
| Native Region | East Asia | Central/South America |
| Maintenance | Low | Low |
Balloon Flower
Sweet Potato
Balloon Flower
Sweet Potato
Choose Balloon Flower if you want a low-maintenance plant, and want deer resistance. It thrives in full sun to part shade with medium water in zones 3–8.
Choose Sweet Potato if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 3–11.
Plant them together? Both overlap in zones 3–8. However, they have different sun needs, so plan your garden layout carefully.
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