Side-by-side plant comparison — which is right for your garden?
Brassica oleracea var. italica
Brassicaceae · vegetables
Cosmos bipinnatus
Asteraceae · flowers
Broccoli (Zones 2-11)
Cosmos (Zones 2-11)
Overlap: Both grow in zones 2–11
| Feature | Broccoli | Cosmos |
|---|---|---|
| Scientific Name | Brassica oleracea var. italica | Cosmos bipinnatus |
| Family | Brassicaceae | Asteraceae |
| Category | vegetables | flowers |
| Sun | ☀️ Full Sun | ☀️ Full Sun |
| Water | 💧💧 Medium | 💧 Low |
| Soil | Rich, Well-drained | Well-drained, Poor |
| Height | 2' | 5' |
| Spread | 1' 6" | 2' |
| Bloom Season | Spring, Fall | Summer-Fall |
| Bloom Color | Yellow (if bolted) | Pink, White, Red |
| Growth Rate | Medium | Fast |
| Native Region | Mediterranean | Mexico |
| Maintenance | Medium | Low |
Broccoli
Cosmos
Broccoli
Cosmos
Choose Broccoli if you don't mind medium maintenance. It thrives in full sun with medium water in zones 2–11.
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.
Plant them together? Both overlap in zones 2–11. They share similar sun requirements (full sun), making them potential garden companions.
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