Black-Eyed Susan vs Pachysandra

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

Black-Eyed Susan

Rudbeckia hirta

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Pachysandra

Pachysandra terminalis

Buxaceae · groundcovers

Deer ResistantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan (Zones 3-9)

Pachysandra (Zones 4-8)

Overlap: Both grow in zones 4–8

Detailed Comparison

Feature	Black-Eyed Susan	Pachysandra
Scientific Name	Rudbeckia hirta	Pachysandra terminalis
Family	Asteraceae	Buxaceae
Category	flowers	groundcovers
Sun	☀️ Full Sun	⛅ Part Shade to Full Shade
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Acidic
Height	3'	8"
Spread	1' 6"	1' 6"
Bloom Season	Summer-Fall	Spring
Bloom Color	Yellow	White
Growth Rate	Fast	Slow
Native Region	Eastern North America	Japan
Maintenance	Low	Low

Special Traits

Black-Eyed Susan

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Pachysandra

No — EdibleYes — 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.

Pachysandra

✓Space 6-12 inches apart for coverage in 2-3 years.
✓Keep moist while establishing.
✓Susceptible to leaf blight in humid conditions — improve air circulation.

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 Pachysandra if you want a low-maintenance plant, and want deer resistance. It thrives in part shade to full shade with medium water in zones 4–8.

Plant them together? Both overlap in zones 4–8. However, they have different sun needs, so plan your garden layout carefully.

View Black-Eyed SusanProfile →View PachysandraProfile →

Frequently Asked Questions

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

Black-Eyed Susan grows in USDA zones 3-9, while Pachysandra grows in zones 4-8. Both plants can grow together in zones 4 through 8.

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

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

Which grows taller, Black-Eyed Susan or Pachysandra?

Black-Eyed Susan grows taller at 3' compared to Pachysandra at 8". Black-Eyed Susan spreads 1' 6" while Pachysandra spreads 1' 6".

Are Black-Eyed Susan and Pachysandra deer resistant?

Yes, both Black-Eyed Susan and Pachysandra are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

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

Both Black-Eyed Susan and Pachysandra 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	Pachysandra
Scientific Name	Rudbeckia hirta	Pachysandra terminalis
Family	Asteraceae	Buxaceae
Category	flowers	groundcovers
Sun	☀️ Full Sun	⛅ Part Shade to Full Shade
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Acidic
Height	3'	8"
Spread	1' 6"	1' 6"
Bloom Season	Summer-Fall	Spring
Bloom Color	Yellow	White
Growth Rate	Fast	Slow
Native Region	Eastern North America	Japan
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.

Pachysandra

✓Space 6-12 inches apart for coverage in 2-3 years.
✓Keep moist while establishing.
✓Susceptible to leaf blight in humid conditions — improve air circulation.

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 Pachysandra if you want a low-maintenance plant, and want deer resistance. It thrives in part shade to full shade with medium water in zones 4–8.

Plant them together? Both overlap in zones 4–8. However, they have different sun needs, so plan your garden layout carefully.

Frequently Asked Questions

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

Black-Eyed Susan grows in USDA zones 3-9, while Pachysandra grows in zones 4-8. Both plants can grow together in zones 4 through 8.

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

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

Which grows taller, Black-Eyed Susan or Pachysandra?

Black-Eyed Susan grows taller at 3' compared to Pachysandra at 8". Black-Eyed Susan spreads 1' 6" while Pachysandra spreads 1' 6".

Are Black-Eyed Susan and Pachysandra deer resistant?

Yes, both Black-Eyed Susan and Pachysandra are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

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

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