Black-Eyed Susan Vine vs Butterfly Bush

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

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Butterfly Bush

Buddleja davidii

Scrophulariaceae · shrubs

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan Vine (Zones 10-11)

Butterfly Bush (Zones 5-9)

No zone overlap — these plants cannot be grown in the same climate

Detailed Comparison

Feature	Black-Eyed Susan Vine	Butterfly Bush
Scientific Name	Thunbergia alata	Buddleja davidii
Family	Acanthaceae	Scrophulariaceae
Category	vines	shrubs
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	10'
Spread	2'	8'
Bloom Season	Summer-Fall	Summer-Fall
Bloom Color	Orange, Yellow, White	Purple, Pink, White
Growth Rate	Fast	Fast
Native Region	East Africa	China
Maintenance	Low	Low

Special Traits

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Butterfly Bush

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Black-Eyed Susan Vine

✓Treat as annual in most zones.
✓Provide trellis or let trail from basket.
✓Deadhead for continuous bloom.
✓Start indoors 6 weeks before last frost.

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.

Which Plant Is Right for Your Garden?

Choose Black-Eyed Susan Vine if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 10–11.

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.

View Black-Eyed Susan VineProfile →View Butterfly BushProfile →

Frequently Asked Questions

Can Black-Eyed Susan Vine and Butterfly Bush grow in the same hardiness zone?

Black-Eyed Susan Vine grows in USDA zones 10-11, while Butterfly Bush grows in zones 5-9. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Black-Eyed Susan Vine and Butterfly Bush have the same sun and water needs?

Black-Eyed Susan Vine needs full sun and medium water, while Butterfly Bush needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Black-Eyed Susan Vine or Butterfly Bush?

Butterfly Bush grows taller at 10' compared to Black-Eyed Susan Vine at 8'. Butterfly Bush spreads 8' while Black-Eyed Susan Vine spreads 2'.

Are Black-Eyed Susan Vine and Butterfly Bush deer resistant?

Yes, both Black-Eyed Susan Vine and Butterfly Bush are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Black-Eyed Susan Vine or Butterfly Bush?

Both Black-Eyed Susan Vine and Butterfly Bush have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.

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Detailed Comparison

Feature	Black-Eyed Susan Vine	Butterfly Bush
Scientific Name	Thunbergia alata	Buddleja davidii
Family	Acanthaceae	Scrophulariaceae
Category	vines	shrubs
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	10'
Spread	2'	8'
Bloom Season	Summer-Fall	Summer-Fall
Bloom Color	Orange, Yellow, White	Purple, Pink, White
Growth Rate	Fast	Fast
Native Region	East Africa	China
Maintenance	Low	Low

Care Tips

Black-Eyed Susan Vine

✓Treat as annual in most zones.
✓Provide trellis or let trail from basket.
✓Deadhead for continuous bloom.
✓Start indoors 6 weeks before last frost.

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.