Black-Eyed Susan vs White Oak

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

Black-Eyed Susan

Rudbeckia hirta

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

White Oak

Quercus alba

Fagaceae · trees

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan (Zones 3-9)

White Oak (Zones 3-9)

Overlap: Both grow in zones 3–9

Detailed Comparison

Feature	Black-Eyed Susan	White Oak
Scientific Name	Rudbeckia hirta	Quercus alba
Family	Asteraceae	Fagaceae
Category	flowers	trees
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained, Acidic
Height	3'	80'
Spread	1' 6"	80'
Bloom Season	Summer-Fall	Spring
Bloom Color	Yellow	Green
Growth Rate	Fast	Slow
Native Region	Eastern North America	Eastern North America
Maintenance	Low	Low

Special Traits

Black-Eyed Susan

No — EdibleYes — Deer ResistantYes — Drought Tolerant

White Oak

No — EdibleYes — Deer ResistantYes — 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.

White Oak

✓Give ample space — mature trees need 80+ feet.
✓Transplant young due to long taproot.
✓Very long-lived.
✓Acorns are edible after leaching tannins.

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 White Oak 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 3–9. They share similar sun requirements (full sun), making them potential garden companions.

View Black-Eyed SusanProfile →View White OakProfile →

Frequently Asked Questions

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

Black-Eyed Susan grows in USDA zones 3-9, while White Oak grows in zones 3-9. Both plants can grow together in zones 3 through 9.

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

Black-Eyed Susan needs full sun and medium water, while White Oak needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Black-Eyed Susan or White Oak?

White Oak grows taller at 80' compared to Black-Eyed Susan at 3'. White Oak spreads 80' while Black-Eyed Susan spreads 1' 6".

Are Black-Eyed Susan and White Oak deer resistant?

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

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

Both Black-Eyed Susan and White Oak 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	White Oak
Scientific Name	Rudbeckia hirta	Quercus alba
Family	Asteraceae	Fagaceae
Category	flowers	trees
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained, Acidic
Height	3'	80'
Spread	1' 6"	80'
Bloom Season	Summer-Fall	Spring
Bloom Color	Yellow	Green
Growth Rate	Fast	Slow
Native Region	Eastern North America	Eastern North America
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.

White Oak

✓Give ample space — mature trees need 80+ feet.
✓Transplant young due to long taproot.
✓Very long-lived.
✓Acorns are edible after leaching tannins.

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 White Oak 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 3–9. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

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

Black-Eyed Susan grows in USDA zones 3-9, while White Oak grows in zones 3-9. Both plants can grow together in zones 3 through 9.

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

Black-Eyed Susan needs full sun and medium water, while White Oak needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Black-Eyed Susan or White Oak?

White Oak grows taller at 80' compared to Black-Eyed Susan at 3'. White Oak spreads 80' while Black-Eyed Susan spreads 1' 6".

Are Black-Eyed Susan and White Oak deer resistant?

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

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

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