Black-Eyed Susan vs Coleus

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

Black-Eyed Susan

Rudbeckia hirta

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Coleus

Coleus scutellarioides

Lamiaceae · flowers

Low Maintenance

Hardiness Zone Range

Black-Eyed Susan (Zones 3-9)

Coleus (Zones 10-11)

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

Detailed Comparison

Feature	Black-Eyed Susan	Coleus
Scientific Name	Rudbeckia hirta	Coleus scutellarioides
Family	Asteraceae	Lamiaceae
Category	flowers	flowers
Sun	☀️ Full Sun	⛅ Part Shade
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Moist
Height	3'	2'
Spread	1' 6"	1' 6"
Bloom Season	Summer-Fall	Summer
Bloom Color	Yellow	Blue (insignificant)
Growth Rate	Fast	Fast
Native Region	Eastern North America	Southeast Asia
Maintenance	Low	Low

Special Traits

Black-Eyed Susan

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Coleus

No — EdibleNo — Deer ResistantNo — Drought Tolerant

Care Tips

Black-Eyed Susan

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

Coleus

✓Pinch flowers to encourage leaf growth.
✓Modern varieties are more sun tolerant.
✓Root cuttings easily in water.
✓Pinch growing tips for bushy form.
✓Bring indoors as houseplant.

Which Plant Is Right for Your Garden?

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.

Choose Coleus if you want a low-maintenance plant. It thrives in part shade with medium water in zones 10–11.

View Black-Eyed SusanProfile →View ColeusProfile →

Frequently Asked Questions

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

Black-Eyed Susan grows in USDA zones 3-9, while Coleus grows in zones 10-11. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

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

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

Which grows taller, Black-Eyed Susan or Coleus?

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

Are Black-Eyed Susan and Coleus deer resistant?

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

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

Both Black-Eyed Susan and Coleus 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	Coleus
Scientific Name	Rudbeckia hirta	Coleus scutellarioides
Family	Asteraceae	Lamiaceae
Category	flowers	flowers
Sun	☀️ Full Sun	⛅ Part Shade
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Moist
Height	3'	2'
Spread	1' 6"	1' 6"
Bloom Season	Summer-Fall	Summer
Bloom Color	Yellow	Blue (insignificant)
Growth Rate	Fast	Fast
Native Region	Eastern North America	Southeast Asia
Maintenance	Low	Low

Care Tips

Black-Eyed Susan

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

Coleus

✓Pinch flowers to encourage leaf growth.
✓Modern varieties are more sun tolerant.
✓Root cuttings easily in water.
✓Pinch growing tips for bushy form.
✓Bring indoors as houseplant.

Frequently Asked Questions

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

Black-Eyed Susan grows in USDA zones 3-9, while Coleus grows in zones 10-11. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

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

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

Which grows taller, Black-Eyed Susan or Coleus?

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

Are Black-Eyed Susan and Coleus deer resistant?

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

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

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