Side-by-side plant comparison — which is right for your garden?
Asclepias tuberosa
Apocynaceae · flowers
Lupinus polyphyllus
Fabaceae · flowers
Butterfly Weed (Zones 3-9)
Lupine (Zones 4-7)
Overlap: Both grow in zones 4–7
| Feature | Butterfly Weed | Lupine |
|---|---|---|
| Scientific Name | Asclepias tuberosa | Lupinus polyphyllus |
| Family | Apocynaceae | Fabaceae |
| Category | flowers | flowers |
| Sun | ☀️ Full Sun | ☀️ Full Sun |
| Water | 💧 Low | 💧💧 Medium |
| Soil | Well-drained, Sandy | Well-drained, Slightly Acidic |
| Height | 2' 6" | 4' |
| Spread | 1' 6" | 2' |
| Bloom Season | Summer | Late Spring-Summer |
| Bloom Color | Orange | Blue, Purple, Pink, Yellow |
| Growth Rate | Medium | Medium |
| Native Region | Eastern North America | North America |
| Maintenance | Low | Medium |
Butterfly Weed
Lupine
Butterfly Weed
Lupine
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.
Choose Lupine if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 4–7.
Plant them together? Both overlap in zones 4–7. They share similar sun requirements (full sun), making them potential garden companions.
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