Side-by-side plant comparison — which is right for your garden?
Platycodon grandiflorus
Campanulaceae · flowers
Delphinium elatum
Ranunculaceae · flowers
Balloon Flower (Zones 3-8)
Delphinium (Zones 3-7)
Overlap: Both grow in zones 3–7
| Feature | Balloon Flower | Delphinium |
|---|---|---|
| Scientific Name | Platycodon grandiflorus | Delphinium elatum |
| Family | Campanulaceae | Ranunculaceae |
| Category | flowers | flowers |
| Sun | ☀️ Full Sun to Part Shade | ☀️ Full Sun |
| Water | 💧💧 Medium | 💧💧 Medium |
| Soil | Well-drained | Rich, Well-drained |
| Height | 2' | 6' |
| Spread | 1' | 2' |
| Bloom Season | Summer | Early Summer |
| Bloom Color | Blue, White, Pink | Blue, Purple, White, Pink |
| Growth Rate | Medium | Fast |
| Native Region | East Asia | Europe, Asia |
| Maintenance | Low | High |
Balloon Flower
Delphinium
Balloon Flower
Delphinium
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 Delphinium if you don't mind high maintenance, and want deer resistance. It thrives in full sun with medium water in zones 3–7.
Plant them together? Both overlap in zones 3–7. However, they have different sun needs, so plan your garden layout carefully.
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