Black-Eyed Susan Vine vs Hydrangea

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

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Hydrangea

Hydrangea macrophylla

Hydrangeaceae · flowers

Deer ResistantMedium Maintenance

Hardiness Zone Range

Black-Eyed Susan Vine (Zones 10-11)

Hydrangea (Zones 5-9)

No zone overlap — these plants cannot be grown in the same climate

Detailed Comparison

Feature	Black-Eyed Susan Vine	Hydrangea
Scientific Name	Thunbergia alata	Hydrangea macrophylla
Family	Acanthaceae	Hydrangeaceae
Category	vines	flowers
Sun	☀️ Full Sun	⛅ Part Shade
Water	💧💧 Medium	💧💧 Medium to High
Soil	Well-drained	Rich, Moist
Height	8'	6'
Spread	2'	6'
Bloom Season	Summer-Fall	Summer
Bloom Color	Orange, Yellow, White	Blue, Pink, White
Growth Rate	Fast	Medium
Native Region	East Africa	Japan
Maintenance	Low	Medium

Special Traits

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Hydrangea

No — EdibleYes — Deer ResistantNo — 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.

Hydrangea

✓Prune after flowering on old wood varieties.
✓Add aluminum sulfate for blue flowers, lime for pink.
✓Protect from afternoon sun in hot climates.

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 Hydrangea if you don't mind medium maintenance, and want deer resistance. It thrives in part shade with medium to high water in zones 5–9.

View Black-Eyed Susan VineProfile →View HydrangeaProfile →

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Hydrangea grows in zones 5-9. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

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

Black-Eyed Susan Vine needs full sun and medium water, while Hydrangea needs part shade and medium to high water. Their differing requirements mean you may need separate garden areas for each.

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

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

Are Black-Eyed Susan Vine and Hydrangea deer resistant?

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

Black-Eyed Susan Vine has low maintenance while Hydrangea has medium maintenance. Black-Eyed Susan Vine may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Black-Eyed Susan Vine	Hydrangea
Scientific Name	Thunbergia alata	Hydrangea macrophylla
Family	Acanthaceae	Hydrangeaceae
Category	vines	flowers
Sun	☀️ Full Sun	⛅ Part Shade
Water	💧💧 Medium	💧💧 Medium to High
Soil	Well-drained	Rich, Moist
Height	8'	6'
Spread	2'	6'
Bloom Season	Summer-Fall	Summer
Bloom Color	Orange, Yellow, White	Blue, Pink, White
Growth Rate	Fast	Medium
Native Region	East Africa	Japan
Maintenance	Low	Medium

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.

Hydrangea

✓Prune after flowering on old wood varieties.
✓Add aluminum sulfate for blue flowers, lime for pink.
✓Protect from afternoon sun in hot climates.

Frequently Asked Questions

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

Black-Eyed Susan Vine grows in USDA zones 10-11, while Hydrangea grows in zones 5-9. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

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

Black-Eyed Susan Vine needs full sun and medium water, while Hydrangea needs part shade and medium to high water. Their differing requirements mean you may need separate garden areas for each.

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

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

Are Black-Eyed Susan Vine and Hydrangea deer resistant?

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

Black-Eyed Susan Vine has low maintenance while Hydrangea has medium maintenance. Black-Eyed Susan Vine may be easier for beginning gardeners to manage.