Black-Eyed Susan Vine vs Sweet Potato

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

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Sweet Potato

Ipomoea batatas

Convolvulaceae · vegetables

EdibleDrought TolerantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan Vine (Zones 10-11)

Sweet Potato (Zones 3-11)

Overlap: Both grow in zones 10–11

Detailed Comparison

Feature	Black-Eyed Susan Vine	Sweet Potato
Scientific Name	Thunbergia alata	Ipomoea batatas
Family	Acanthaceae	Convolvulaceae
Category	vines	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Loose, Sandy
Height	8'	1'
Spread	2'	4'
Bloom Season	Summer-Fall	Late Summer-Fall
Bloom Color	Orange, Yellow, White	Purple (occasional)
Growth Rate	Fast	Fast
Native Region	East Africa	Central/South America
Maintenance	Low	Low

Special Traits

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Sweet Potato

Yes — EdibleNo — 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.

Sweet Potato

✓Plant slips (rooted sprouts) after soil warms.
✓Needs loose soil and warm temperatures.
✓Cure harvested tubers at 80°F for 10 days.
✓Don't refrigerate.

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 Sweet Potato if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 3–11.

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 Sweet PotatoProfile →

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Sweet Potato grows in zones 3-11. Both plants can grow together in zones 10 through 11.

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

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

Black-Eyed Susan Vine grows taller at 8' compared to Sweet Potato at 1'. Black-Eyed Susan Vine spreads 2' while Sweet Potato spreads 4'.

Are Black-Eyed Susan Vine and Sweet Potato deer resistant?

Black-Eyed Susan Vine is deer resistant, but Sweet Potato is not. If deer are a concern, Black-Eyed Susan Vine is the better choice, or protect Sweet Potato with fencing.

Which is easier to maintain, Black-Eyed Susan Vine or Sweet Potato?

Both Black-Eyed Susan Vine and Sweet Potato 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	Sweet Potato
Scientific Name	Thunbergia alata	Ipomoea batatas
Family	Acanthaceae	Convolvulaceae
Category	vines	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Loose, Sandy
Height	8'	1'
Spread	2'	4'
Bloom Season	Summer-Fall	Late Summer-Fall
Bloom Color	Orange, Yellow, White	Purple (occasional)
Growth Rate	Fast	Fast
Native Region	East Africa	Central/South 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.

Sweet Potato

✓Plant slips (rooted sprouts) after soil warms.
✓Needs loose soil and warm temperatures.
✓Cure harvested tubers at 80°F for 10 days.
✓Don't refrigerate.

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 Sweet Potato if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 3–11.

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 Sweet Potato grow in the same hardiness zone?

Black-Eyed Susan Vine grows in USDA zones 10-11, while Sweet Potato grows in zones 3-11. Both plants can grow together in zones 10 through 11.

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

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

Black-Eyed Susan Vine grows taller at 8' compared to Sweet Potato at 1'. Black-Eyed Susan Vine spreads 2' while Sweet Potato spreads 4'.

Are Black-Eyed Susan Vine and Sweet Potato deer resistant?

Black-Eyed Susan Vine is deer resistant, but Sweet Potato is not. If deer are a concern, Black-Eyed Susan Vine is the better choice, or protect Sweet Potato with fencing.

Which is easier to maintain, Black-Eyed Susan Vine or Sweet Potato?

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