Black-Eyed Susan Vine vs Sunflower

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

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Sunflower

Helianthus annuus

Asteraceae · flowers

EdibleDeer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan Vine (Zones 10-11)

Sunflower (Zones 2-11)

Overlap: Both grow in zones 10–11

Detailed Comparison

Feature	Black-Eyed Susan Vine	Sunflower
Scientific Name	Thunbergia alata	Helianthus annuus
Family	Acanthaceae	Asteraceae
Category	vines	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	10'
Spread	2'	2'
Bloom Season	Summer-Fall	Summer
Bloom Color	Orange, Yellow, White	Yellow
Growth Rate	Fast	Fast
Native Region	East Africa	North America
Maintenance	Low	Low

Special Traits

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Sunflower

Yes — 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.

Sunflower

✓Direct sow in warm soil.
✓Stake tall varieties.
✓Plant in succession for continuous blooms.
✓Harvest seeds when back of head turns brown.

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 Sunflower if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 10–11. They share similar sun requirements (full sun), making them potential garden companions.

View Black-Eyed Susan VineProfile →View SunflowerProfile →

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Sunflower grows in zones 2-11. Both plants can grow together in zones 10 through 11.

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

Black-Eyed Susan Vine needs full sun and medium water, while Sunflower 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 Sunflower?

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

Are Black-Eyed Susan Vine and Sunflower deer resistant?

Yes, both Black-Eyed Susan Vine and Sunflower 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 Sunflower?

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

Explore More Data Tools

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

Detailed Comparison

Feature	Black-Eyed Susan Vine	Sunflower
Scientific Name	Thunbergia alata	Helianthus annuus
Family	Acanthaceae	Asteraceae
Category	vines	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	10'
Spread	2'	2'
Bloom Season	Summer-Fall	Summer
Bloom Color	Orange, Yellow, White	Yellow
Growth Rate	Fast	Fast
Native Region	East Africa	North America
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.

Sunflower

✓Direct sow in warm soil.
✓Stake tall varieties.
✓Plant in succession for continuous blooms.
✓Harvest seeds when back of head turns brown.

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 Sunflower if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 2–11.

Plant them together? Both overlap in zones 10–11. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Sunflower grows in zones 2-11. Both plants can grow together in zones 10 through 11.

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

Black-Eyed Susan Vine needs full sun and medium water, while Sunflower 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 Sunflower?

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

Are Black-Eyed Susan Vine and Sunflower deer resistant?

Yes, both Black-Eyed Susan Vine and Sunflower 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 Sunflower?

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