Side-by-side plant comparison — which is right for your garden?
Brassica oleracea var. italica
Brassicaceae · vegetables
Asclepias tuberosa
Apocynaceae · flowers
Broccoli (Zones 2-11)
Butterfly Weed (Zones 3-9)
Overlap: Both grow in zones 3–9
| Feature | Broccoli | Butterfly Weed |
|---|---|---|
| Scientific Name | Brassica oleracea var. italica | Asclepias tuberosa |
| Family | Brassicaceae | Apocynaceae |
| Category | vegetables | flowers |
| Sun | ☀️ Full Sun | ☀️ Full Sun |
| Water | 💧💧 Medium | 💧 Low |
| Soil | Rich, Well-drained | Well-drained, Sandy |
| Height | 2' | 2' 6" |
| Spread | 1' 6" | 1' 6" |
| Bloom Season | Spring, Fall | Summer |
| Bloom Color | Yellow (if bolted) | Orange |
| Growth Rate | Medium | Medium |
| Native Region | Mediterranean | Eastern North America |
| Maintenance | Medium | Low |
Broccoli
Butterfly Weed
Broccoli
Butterfly Weed
Choose Broccoli if you don't mind medium maintenance. It thrives in full sun with medium water in zones 2–11.
Choose Butterfly Weed if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 3–9.
Plant them together? Both overlap in zones 3–9. They share similar sun requirements (full sun), making them potential garden companions.
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