Basil vs Black-Eyed Susan

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

Basil

Ocimum basilicum

Lamiaceae · herbs

EdibleLow Maintenance

Black-Eyed Susan

Rudbeckia hirta

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Basil (Zones 2-11)

Black-Eyed Susan (Zones 3-9)

Overlap: Both grow in zones 3–9

Detailed Comparison

Feature	Basil	Black-Eyed Susan
Scientific Name	Ocimum basilicum	Rudbeckia hirta
Family	Lamiaceae	Asteraceae
Category	herbs	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Well-drained
Height	2'	3'
Spread	1'	1' 6"
Bloom Season	Summer	Summer-Fall
Bloom Color	White	Yellow
Growth Rate	Fast	Fast
Native Region	India, Southeast Asia	Eastern North America
Maintenance	Low	Low

Special Traits

Basil

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Black-Eyed Susan

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Basil

✓Pinch flowers to prolong leaf production.
✓Harvest from the top down.
✓Don't refrigerate fresh leaves — they turn black.
✓Plant after all frost danger has passed.

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 Basil if you want a low-maintenance plant. It thrives in full sun with medium water in zones 2–11.

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

View BasilProfile →View Black-Eyed SusanProfile →

Frequently Asked Questions

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

Basil grows in USDA zones 2-11, while Black-Eyed Susan grows in zones 3-9. Both plants can grow together in zones 3 through 9.

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

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

Which grows taller, Basil or Black-Eyed Susan?

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

Are Basil and Black-Eyed Susan deer resistant?

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

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

Both Basil 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	Basil	Black-Eyed Susan
Scientific Name	Ocimum basilicum	Rudbeckia hirta
Family	Lamiaceae	Asteraceae
Category	herbs	flowers
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Well-drained
Height	2'	3'
Spread	1'	1' 6"
Bloom Season	Summer	Summer-Fall
Bloom Color	White	Yellow
Growth Rate	Fast	Fast
Native Region	India, Southeast Asia	Eastern North America
Maintenance	Low	Low

Care Tips

Basil

✓Pinch flowers to prolong leaf production.
✓Harvest from the top down.
✓Don't refrigerate fresh leaves — they turn black.
✓Plant after all frost danger has passed.

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 Basil if you want a low-maintenance plant. It thrives in full sun with medium water in zones 2–11.

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

Frequently Asked Questions

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

Basil grows in USDA zones 2-11, while Black-Eyed Susan grows in zones 3-9. Both plants can grow together in zones 3 through 9.

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

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

Which grows taller, Basil or Black-Eyed Susan?

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

Are Basil and Black-Eyed Susan deer resistant?

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

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

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