Balloon Flower vs Black-Eyed Susan

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

Balloon Flower

Platycodon grandiflorus

Campanulaceae · flowers

Deer ResistantLow Maintenance

Black-Eyed Susan

Rudbeckia hirta

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Balloon Flower (Zones 3-8)

Black-Eyed Susan (Zones 3-9)

Overlap: Both grow in zones 3–8

Detailed Comparison

Feature	Balloon Flower	Black-Eyed Susan
Scientific Name	Platycodon grandiflorus	Rudbeckia hirta
Family	Campanulaceae	Asteraceae
Category	flowers	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	2'	3'
Spread	1'	1' 6"
Bloom Season	Summer	Summer-Fall
Bloom Color	Blue, White, Pink	Yellow
Growth Rate	Medium	Fast
Native Region	East Asia	Eastern North America
Maintenance	Low	Low

Special Traits

Balloon Flower

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Black-Eyed Susan

No — EdibleYes — Deer ResistantYes — 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

✓Deadhead spent blooms to encourage reblooming.
✓Divide clumps every 3-4 years.
✓Tolerates poor soil and drought once established.

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 if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 3–9.

Plant them together? Both overlap in zones 3–8. However, they have different sun needs, so plan your garden layout carefully.

View Balloon FlowerProfile →View Black-Eyed SusanProfile →

Frequently Asked Questions

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

Balloon Flower grows in USDA zones 3-8, while Black-Eyed Susan grows in zones 3-9. Both plants can grow together in zones 3 through 8.

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

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

Black-Eyed Susan grows taller at 3' compared to Balloon Flower at 2'. Black-Eyed Susan spreads 1' 6" while Balloon Flower spreads 1'.

Are Balloon Flower and Black-Eyed Susan deer resistant?

Yes, both Balloon Flower and Black-Eyed Susan 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?

Both Balloon Flower and Black-Eyed Susan 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
Scientific Name	Platycodon grandiflorus	Rudbeckia hirta
Family	Campanulaceae	Asteraceae
Category	flowers	flowers
Sun	☀️ Full Sun to Part Shade	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	2'	3'
Spread	1'	1' 6"
Bloom Season	Summer	Summer-Fall
Bloom Color	Blue, White, Pink	Yellow
Growth Rate	Medium	Fast
Native Region	East Asia	Eastern North America
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

✓Deadhead spent blooms to encourage reblooming.
✓Divide clumps every 3-4 years.
✓Tolerates poor soil and drought once established.

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 if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 3–9.

Plant them together? Both overlap in zones 3–8. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

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

Balloon Flower grows in USDA zones 3-8, while Black-Eyed Susan grows in zones 3-9. Both plants can grow together in zones 3 through 8.

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

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

Black-Eyed Susan grows taller at 3' compared to Balloon Flower at 2'. Black-Eyed Susan spreads 1' 6" while Balloon Flower spreads 1'.

Are Balloon Flower and Black-Eyed Susan deer resistant?

Yes, both Balloon Flower and Black-Eyed Susan 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?

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