Side-by-side plant comparison — which is right for your garden?
Cosmos bipinnatus
Asteraceae · flowers
Cymbidium spp.
Orchidaceae · flowers
Cosmos (Zones 2-11)
Cymbidium Orchid (Zones 9-12)
Overlap: Both grow in zones 9–11
| Feature | Cosmos | Cymbidium Orchid |
|---|---|---|
| Scientific Name | Cosmos bipinnatus | Cymbidium spp. |
| Family | Asteraceae | Orchidaceae |
| Category | flowers | flowers |
| Sun | ☀️ Full Sun | ⛅ Part Shade |
| Water | 💧 Low | 💧💧 Medium |
| Soil | Well-drained, Poor | Orchid mix |
| Height | 5' | 3' |
| Spread | 2' | 1' 6" |
| Bloom Season | Summer-Fall | Winter-Spring |
| Bloom Color | Pink, White, Red | Green, Yellow, Pink, White |
| Growth Rate | Fast | Medium |
| Native Region | Mexico | Asia, Australia |
| Maintenance | Low | Medium |
Cosmos
Cymbidium Orchid
Cosmos
Cymbidium Orchid
Choose Cosmos if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 2–11.
Choose Cymbidium Orchid if you don't mind medium maintenance, and want deer resistance. It thrives in part shade with medium water in zones 9–12.
Plant them together? Both overlap in zones 9–11. However, they have different sun needs, so plan your garden layout carefully.
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