Butterfly Bush vs Hydrangea

Side-by-side plant comparison — which is right for your garden?

Butterfly Bush

Buddleja davidii

Scrophulariaceae · shrubs

Deer ResistantDrought TolerantLow Maintenance

Hydrangea

Hydrangea macrophylla

Hydrangeaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Butterfly Bush (Zones 5-9)

Hydrangea (Zones 5-9)

Overlap: Both grow in zones 5–9

Detailed Comparison

Feature	Butterfly Bush	Hydrangea
Scientific Name	Buddleja davidii	Hydrangea macrophylla
Family	Scrophulariaceae	Hydrangeaceae
Category	shrubs	flowers
Sun	☀️ Full Sun	⛅ Part Shade
Water	💧💧 Medium	💧💧 Medium to High
Soil	Well-drained	Rich, Moist
Height	10'	6'
Spread	8'	6'
Bloom Season	Summer-Fall	Summer
Bloom Color	Purple, Pink, White	Blue, Pink, White
Growth Rate	Fast	Medium
Native Region	China	Japan
Maintenance	Low	Medium

Special Traits

Butterfly Bush

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Hydrangea

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Butterfly Bush

✓Cut back to 12-18 inches in early spring — blooms on new wood.
✓Deadhead for continuous flowering.
✓Can be invasive — choose sterile cultivars.
✓Full sun essential.

Hydrangea

✓Prune after flowering on old wood varieties.
✓Add aluminum sulfate for blue flowers, lime for pink.
✓Protect from afternoon sun in hot climates.

Which Plant Is Right for Your Garden?

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 Hydrangea if you don't mind medium maintenance, and want deer resistance. It thrives in part shade with medium to high water in zones 5–9.

Plant them together? Both overlap in zones 5–9. However, they have different sun needs, so plan your garden layout carefully.

View Butterfly BushProfile →View HydrangeaProfile →

Frequently Asked Questions

Can Butterfly Bush and Hydrangea grow in the same hardiness zone?

Butterfly Bush grows in USDA zones 5-9, while Hydrangea grows in zones 5-9. Both plants can grow together in zones 5 through 9.

Do Butterfly Bush and Hydrangea have the same sun and water needs?

Butterfly Bush needs full sun and medium water, while Hydrangea needs part shade and medium to high water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Butterfly Bush or Hydrangea?

Butterfly Bush grows taller at 10' compared to Hydrangea at 6'. Butterfly Bush spreads 8' while Hydrangea spreads 6'.

Are Butterfly Bush and Hydrangea deer resistant?

Yes, both Butterfly Bush and Hydrangea are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Butterfly Bush or Hydrangea?

Butterfly Bush has low maintenance while Hydrangea has medium maintenance. Butterfly Bush may be easier for beginning gardeners to manage.

Explore More Data Tools

For adjacent public-data tools, methodology notes, and network updates, visit DataPeek Facts.

Detailed Comparison

Feature	Butterfly Bush	Hydrangea
Scientific Name	Buddleja davidii	Hydrangea macrophylla
Family	Scrophulariaceae	Hydrangeaceae
Category	shrubs	flowers
Sun	☀️ Full Sun	⛅ Part Shade
Water	💧💧 Medium	💧💧 Medium to High
Soil	Well-drained	Rich, Moist
Height	10'	6'
Spread	8'	6'
Bloom Season	Summer-Fall	Summer
Bloom Color	Purple, Pink, White	Blue, Pink, White
Growth Rate	Fast	Medium
Native Region	China	Japan
Maintenance	Low	Medium

Care Tips

Butterfly Bush

✓Cut back to 12-18 inches in early spring — blooms on new wood.
✓Deadhead for continuous flowering.
✓Can be invasive — choose sterile cultivars.
✓Full sun essential.

Hydrangea

✓Prune after flowering on old wood varieties.
✓Add aluminum sulfate for blue flowers, lime for pink.
✓Protect from afternoon sun in hot climates.

Which Plant Is Right for Your Garden?

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 Hydrangea if you don't mind medium maintenance, and want deer resistance. It thrives in part shade with medium to high water in zones 5–9.

Plant them together? Both overlap in zones 5–9. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

Can Butterfly Bush and Hydrangea grow in the same hardiness zone?

Butterfly Bush grows in USDA zones 5-9, while Hydrangea grows in zones 5-9. Both plants can grow together in zones 5 through 9.

Do Butterfly Bush and Hydrangea have the same sun and water needs?

Butterfly Bush needs full sun and medium water, while Hydrangea needs part shade and medium to high water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Butterfly Bush or Hydrangea?

Butterfly Bush grows taller at 10' compared to Hydrangea at 6'. Butterfly Bush spreads 8' while Hydrangea spreads 6'.

Are Butterfly Bush and Hydrangea deer resistant?

Yes, both Butterfly Bush and Hydrangea are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Butterfly Bush or Hydrangea?

Butterfly Bush has low maintenance while Hydrangea has medium maintenance. Butterfly Bush may be easier for beginning gardeners to manage.