Black-Eyed Susan vs Japanese Wisteria

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

Black-Eyed Susan

Rudbeckia hirta

Asteraceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Japanese Wisteria

Wisteria floribunda

Fabaceae · vines

Deer ResistantMedium Maintenance

Hardiness Zone Range

Black-Eyed Susan (Zones 3-9)

Japanese Wisteria (Zones 4-9)

Overlap: Both grow in zones 4–9

Detailed Comparison

Feature	Black-Eyed Susan	Japanese Wisteria
Scientific Name	Rudbeckia hirta	Wisteria floribunda
Family	Asteraceae	Fabaceae
Category	flowers	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	3'	30'
Spread	1' 6"	20'
Bloom Season	Summer-Fall	Late Spring
Bloom Color	Yellow	Purple, Pink, White
Growth Rate	Fast	Fast
Native Region	Eastern North America	Japan
Maintenance	Low	Medium

Special Traits

Black-Eyed Susan

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Japanese Wisteria

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.

Japanese Wisteria

✓Twines clockwise (Chinese twines counter-clockwise).
✓Needs very sturdy support.
✓Prune aggressively twice yearly.
✓Don't over-fertilize — too much nitrogen reduces flowering.

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 Japanese Wisteria if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 4–9.

Plant them together? Both overlap in zones 4–9. They share similar sun requirements (full sun), making them potential garden companions.

View Black-Eyed SusanProfile →View Japanese WisteriaProfile →

Frequently Asked Questions

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

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

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

Black-Eyed Susan needs full sun and medium water, while Japanese Wisteria 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 Japanese Wisteria?

Japanese Wisteria grows taller at 30' compared to Black-Eyed Susan at 3'. Japanese Wisteria spreads 20' while Black-Eyed Susan spreads 1' 6".

Are Black-Eyed Susan and Japanese Wisteria deer resistant?

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

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

Black-Eyed Susan has low maintenance while Japanese Wisteria has medium maintenance. Black-Eyed Susan may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Black-Eyed Susan	Japanese Wisteria
Scientific Name	Rudbeckia hirta	Wisteria floribunda
Family	Asteraceae	Fabaceae
Category	flowers	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Rich, Well-drained
Height	3'	30'
Spread	1' 6"	20'
Bloom Season	Summer-Fall	Late Spring
Bloom Color	Yellow	Purple, Pink, White
Growth Rate	Fast	Fast
Native Region	Eastern North America	Japan
Maintenance	Low	Medium

Care Tips

Black-Eyed Susan

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

Japanese Wisteria

✓Twines clockwise (Chinese twines counter-clockwise).
✓Needs very sturdy support.
✓Prune aggressively twice yearly.
✓Don't over-fertilize — too much nitrogen reduces flowering.

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 Japanese Wisteria if you don't mind medium maintenance, and want deer resistance. It thrives in full sun with medium water in zones 4–9.

Plant them together? Both overlap in zones 4–9. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

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

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

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

Black-Eyed Susan needs full sun and medium water, while Japanese Wisteria 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 Japanese Wisteria?

Japanese Wisteria grows taller at 30' compared to Black-Eyed Susan at 3'. Japanese Wisteria spreads 20' while Black-Eyed Susan spreads 1' 6".

Are Black-Eyed Susan and Japanese Wisteria deer resistant?

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

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

Black-Eyed Susan has low maintenance while Japanese Wisteria has medium maintenance. Black-Eyed Susan may be easier for beginning gardeners to manage.