Side-by-side plant comparison — which is right for your garden?
Buddleja davidii
Scrophulariaceae · shrubs
Digitalis purpurea
Plantaginaceae · flowers
Butterfly Bush (Zones 5-9)
Foxglove (Zones 4-8)
Overlap: Both grow in zones 5–8
| Feature | Butterfly Bush | Foxglove |
|---|---|---|
| Scientific Name | Buddleja davidii | Digitalis purpurea |
| Family | Scrophulariaceae | Plantaginaceae |
| Category | shrubs | flowers |
| Sun | ☀️ Full Sun | ⛅ Part Shade |
| Water | 💧💧 Medium | 💧💧 Medium |
| Soil | Well-drained | Rich, Moist |
| Height | 10' | 5' |
| Spread | 8' | 1' 6" |
| Bloom Season | Summer-Fall | Late Spring-Summer |
| Bloom Color | Purple, Pink, White | Purple, Pink, White |
| Growth Rate | Fast | Fast |
| Native Region | China | Europe |
| Maintenance | Low | Low |
Butterfly Bush
Foxglove
Butterfly Bush
Foxglove
Choose Butterfly Bush if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 5–9.
Choose Foxglove if you want a low-maintenance plant, and want deer resistance. It thrives in part shade with medium water in zones 4–8.
Plant them together? Both overlap in zones 5–8. However, they have different sun needs, so plan your garden layout carefully.
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