Balloon Flower vs Black-Eyed Susan Vine

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

Balloon Flower

Platycodon grandiflorus

Campanulaceae · flowers

Deer ResistantLow Maintenance

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Hardiness Zone Range

Balloon Flower (Zones 3-8)

Black-Eyed Susan Vine (Zones 10-11)

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

Detailed Comparison

Feature	Balloon Flower	Black-Eyed Susan Vine
Scientific Name	Platycodon grandiflorus	Thunbergia alata
Family	Campanulaceae	Acanthaceae
Category	flowers	vines
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	2'	8'
Spread	1'	2'
Bloom Season	Summer	Summer-Fall
Bloom Color	Blue, White, Pink	Orange, Yellow, White
Growth Rate	Medium	Fast
Native Region	East Asia	East Africa
Maintenance	Low	Low

Special Traits

Balloon Flower

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Balloon Flower

✓Late to emerge in spring — mark location to avoid damage.
✓Deep taproot — don't transplant.
✓Cut back after flowering.
✓Deer and pest resistant.

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 Balloon Flower if you want a low-maintenance plant, and want deer resistance. It thrives in full sun to part shade with medium water in zones 3–8.

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.

View Balloon FlowerProfile →View Black-Eyed Susan VineProfile →

Frequently Asked Questions

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

Balloon Flower grows in USDA zones 3-8, while Black-Eyed Susan Vine grows in zones 10-11. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

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

Balloon Flower needs full sun to part shade and medium 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, Balloon Flower or Black-Eyed Susan Vine?

Black-Eyed Susan Vine grows taller at 8' compared to Balloon Flower at 2'. Black-Eyed Susan Vine spreads 2' while Balloon Flower spreads 1'.

Are Balloon Flower and Black-Eyed Susan Vine deer resistant?

Yes, both Balloon Flower 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, Balloon Flower or Black-Eyed Susan Vine?

Both Balloon Flower 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	Balloon Flower	Black-Eyed Susan Vine
Scientific Name	Platycodon grandiflorus	Thunbergia alata
Family	Campanulaceae	Acanthaceae
Category	flowers	vines
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	2'	8'
Spread	1'	2'
Bloom Season	Summer	Summer-Fall
Bloom Color	Blue, White, Pink	Orange, Yellow, White
Growth Rate	Medium	Fast
Native Region	East Asia	East Africa
Maintenance	Low	Low

Care Tips

Balloon Flower

✓Late to emerge in spring — mark location to avoid damage.
✓Deep taproot — don't transplant.
✓Cut back after flowering.
✓Deer and pest resistant.

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.