Black-Eyed Susan Vine vs Knockout Rose

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

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Knockout Rose

Rosa 'Radrazz'

Rosaceae · flowers

Drought TolerantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan Vine (Zones 10-11)

Knockout Rose (Zones 5-10)

Overlap: Both grow in zones 10–10

Detailed Comparison

Feature	Black-Eyed Susan Vine	Knockout Rose
Scientific Name	Thunbergia alata	Rosa 'Radrazz'
Family	Acanthaceae	Rosaceae
Category	vines	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	4'
Spread	2'	4'
Bloom Season	Summer-Fall	Spring-Fall
Bloom Color	Orange, Yellow, White	Red, Pink
Growth Rate	Fast	Fast
Native Region	East Africa	Hybrid (US)
Maintenance	Low	Low

Special Traits

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Knockout Rose

No — 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.

Knockout Rose

✓Prune by 1/3 in late winter.
✓No spraying needed — highly disease resistant.
✓Deadheading optional but encourages faster rebloom.
✓Feed in spring.

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 Knockout Rose if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 5–10.

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 Knockout RoseProfile →

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Knockout Rose grows in zones 5-10. Both plants can grow together in zones 10 through 10.

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

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

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

Are Black-Eyed Susan Vine and Knockout Rose deer resistant?

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

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

Both Black-Eyed Susan Vine and Knockout Rose 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	Knockout Rose
Scientific Name	Thunbergia alata	Rosa 'Radrazz'
Family	Acanthaceae	Rosaceae
Category	vines	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	4'
Spread	2'	4'
Bloom Season	Summer-Fall	Spring-Fall
Bloom Color	Orange, Yellow, White	Red, Pink
Growth Rate	Fast	Fast
Native Region	East Africa	Hybrid (US)
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.

Knockout Rose

✓Prune by 1/3 in late winter.
✓No spraying needed — highly disease resistant.
✓Deadheading optional but encourages faster rebloom.
✓Feed in spring.

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 Knockout Rose if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 5–10.

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 Knockout Rose grow in the same hardiness zone?

Black-Eyed Susan Vine grows in USDA zones 10-11, while Knockout Rose grows in zones 5-10. Both plants can grow together in zones 10 through 10.

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

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

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

Are Black-Eyed Susan Vine and Knockout Rose deer resistant?

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

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

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