Agave vs Black-Eyed Susan Vine

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

Agave

Agave americana

Asparagaceae · succulents

Deer ResistantDrought TolerantLow Maintenance

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Hardiness Zone Range

Agave (Zones 8-11)

Black-Eyed Susan Vine (Zones 10-11)

Overlap: Both grow in zones 10–11

Detailed Comparison

Feature	Agave	Black-Eyed Susan Vine
Scientific Name	Agave americana	Thunbergia alata
Family	Asparagaceae	Acanthaceae
Category	succulents	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium
Soil	Sandy, Well-drained	Well-drained
Height	6'	8'
Spread	8'	2'
Bloom Season	Once (then dies)	Summer-Fall
Bloom Color	Yellow	Orange, Yellow, White
Growth Rate	Slow	Fast
Native Region	Mexico, Southwestern US	East Africa
Maintenance	Low	Low

Special Traits

Agave

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Agave

✓Give ample space — plants can reach 6-8 feet wide.
✓Sharp terminal spines are dangerous — clip if near walkways.
✓Virtually indestructible once established.

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.

Which Plant Is Right for Your Garden?

Choose Agave if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 8–11.

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.

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

View AgaveProfile →View Black-Eyed Susan VineProfile →

Frequently Asked Questions

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

Agave grows in USDA zones 8-11, while Black-Eyed Susan Vine grows in zones 10-11. Both plants can grow together in zones 10 through 11.

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

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

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

Black-Eyed Susan Vine grows taller at 8' compared to Agave at 6'. Black-Eyed Susan Vine spreads 2' while Agave spreads 8'.

Are Agave and Black-Eyed Susan Vine deer resistant?

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

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

Both Agave and Black-Eyed Susan Vine 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	Agave	Black-Eyed Susan Vine
Scientific Name	Agave americana	Thunbergia alata
Family	Asparagaceae	Acanthaceae
Category	succulents	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium
Soil	Sandy, Well-drained	Well-drained
Height	6'	8'
Spread	8'	2'
Bloom Season	Once (then dies)	Summer-Fall
Bloom Color	Yellow	Orange, Yellow, White
Growth Rate	Slow	Fast
Native Region	Mexico, Southwestern US	East Africa
Maintenance	Low	Low

Care Tips

Agave

✓Give ample space — plants can reach 6-8 feet wide.
✓Sharp terminal spines are dangerous — clip if near walkways.
✓Virtually indestructible once established.

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.

Which Plant Is Right for Your Garden?

Choose Agave if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 8–11.

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.

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

Agave grows in USDA zones 8-11, while Black-Eyed Susan Vine grows in zones 10-11. Both plants can grow together in zones 10 through 11.

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

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

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

Black-Eyed Susan Vine grows taller at 8' compared to Agave at 6'. Black-Eyed Susan Vine spreads 2' while Agave spreads 8'.

Are Agave and Black-Eyed Susan Vine deer resistant?

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

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

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