Side-by-side plant comparison — which is right for your garden?
Canna × generalis
Cannaceae · flowers
Dahlia pinnata
Asteraceae · flowers
Canna Lily (Zones 7-11)
Dahlia (Zones 8-11)
Overlap: Both grow in zones 8–11
| Feature | Canna Lily | Dahlia |
|---|---|---|
| Scientific Name | Canna × generalis | Dahlia pinnata |
| Family | Cannaceae | Asteraceae |
| Category | flowers | flowers |
| Sun | ☀️ Full Sun | ☀️ Full Sun |
| Water | 💧💧 Medium to High | 💧💧 Medium |
| Soil | Rich, Moist | Rich, Well-drained |
| Height | 6' | 5' |
| Spread | 2' | 2' |
| Bloom Season | Summer-Fall | Summer-Fall |
| Bloom Color | Red, Orange, Yellow, Pink | Mixed |
| Growth Rate | Fast | Fast |
| Native Region | Tropical Americas | Mexico, Central America |
| Maintenance | Low | Medium |
Canna Lily
Dahlia
Canna Lily
Dahlia
Choose Canna Lily if you want a low-maintenance plant. It thrives in full sun with medium to high water in zones 7–11.
Choose Dahlia if you don't mind medium maintenance. It thrives in full sun with medium water in zones 8–11.
Plant them together? Both overlap in zones 8–11. They share similar sun requirements (full sun), making them potential garden companions.
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