Black-Eyed Susan Vine vs Rosemary

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

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Rosemary

Salvia rosmarinus

Lamiaceae · herbs

EdibleDeer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan Vine (Zones 10-11)

Rosemary (Zones 7-10)

Overlap: Both grow in zones 10–10

Detailed Comparison

Feature	Black-Eyed Susan Vine	Rosemary
Scientific Name	Thunbergia alata	Salvia rosmarinus
Family	Acanthaceae	Lamiaceae
Category	vines	herbs
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧 Low
Soil	Well-drained	Well-drained, Sandy
Height	8'	4'
Spread	2'	3'
Bloom Season	Summer-Fall	Spring
Bloom Color	Orange, Yellow, White	Blue, Purple
Growth Rate	Fast	Medium
Native Region	East Africa	Mediterranean
Maintenance	Low	Low

Special Traits

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Rosemary

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.

Rosemary

✓Requires excellent drainage — root rot is the main killer.
✓Don't overwater.
✓Prune after flowering to maintain shape.
✓Can be trained as topiary or hedge.

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 Rosemary if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 7–10.

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

View Black-Eyed Susan VineProfile →View RosemaryProfile →

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Rosemary grows in zones 7-10. Both plants can grow together in zones 10 through 10.

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

Black-Eyed Susan Vine needs full sun and medium water, while Rosemary needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Black-Eyed Susan Vine or Rosemary?

Black-Eyed Susan Vine grows taller at 8' compared to Rosemary at 4'. Black-Eyed Susan Vine spreads 2' while Rosemary spreads 3'.

Are Black-Eyed Susan Vine and Rosemary deer resistant?

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

Both Black-Eyed Susan Vine and Rosemary 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	Rosemary
Scientific Name	Thunbergia alata	Salvia rosmarinus
Family	Acanthaceae	Lamiaceae
Category	vines	herbs
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧 Low
Soil	Well-drained	Well-drained, Sandy
Height	8'	4'
Spread	2'	3'
Bloom Season	Summer-Fall	Spring
Bloom Color	Orange, Yellow, White	Blue, Purple
Growth Rate	Fast	Medium
Native Region	East Africa	Mediterranean
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.

Rosemary

✓Requires excellent drainage — root rot is the main killer.
✓Don't overwater.
✓Prune after flowering to maintain shape.
✓Can be trained as topiary or hedge.

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 Rosemary if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 7–10.

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

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Rosemary grows in zones 7-10. Both plants can grow together in zones 10 through 10.

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

Black-Eyed Susan Vine needs full sun and medium water, while Rosemary needs full sun and low water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Black-Eyed Susan Vine or Rosemary?

Black-Eyed Susan Vine grows taller at 8' compared to Rosemary at 4'. Black-Eyed Susan Vine spreads 2' while Rosemary spreads 3'.

Are Black-Eyed Susan Vine and Rosemary deer resistant?

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

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