Asparagus vs Black-Eyed Susan Vine

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

Asparagus

Asparagus officinalis

Asparagaceae · vegetables

EdibleDeer ResistantLow Maintenance

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Hardiness Zone Range

Asparagus (Zones 3-8)

Black-Eyed Susan Vine (Zones 10-11)

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

Detailed Comparison

Feature	Asparagus	Black-Eyed Susan Vine
Scientific Name	Asparagus officinalis	Thunbergia alata
Family	Asparagaceae	Acanthaceae
Category	vegetables	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained, Sandy	Well-drained
Height	5'	8'
Spread	1' 6"	2'
Bloom Season	Spring	Summer-Fall
Bloom Color	Yellow-green	Orange, Yellow, White
Growth Rate	Medium	Fast
Native Region	Europe, Western Asia	East Africa
Maintenance	Low	Low

Special Traits

Asparagus

Yes — EdibleYes — Deer ResistantNo — Drought Tolerant

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Care Tips

Asparagus

✓Plant crowns in trenches 12 inches deep.
✓Don't harvest for first 2 years — let ferns grow to strengthen roots.
✓Harvest for 6-8 weeks in established beds.
✓Cut all spears regardless of size.

Black-Eyed Susan Vine

✓Treat as annual in most zones.
✓Provide trellis or let trail from basket.
✓Deadhead for continuous bloom.
✓Start indoors 6 weeks before last frost.

Which Plant Is Right for Your Garden?

Choose Asparagus if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 3–8.

Choose Black-Eyed Susan Vine if you want a low-maintenance plant, and want deer resistance. It thrives in full sun with medium water in zones 10–11.

View AsparagusProfile →View Black-Eyed Susan VineProfile →

Frequently Asked Questions

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

Asparagus grows in USDA zones 3-8, while Black-Eyed Susan Vine grows in zones 10-11. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

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

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

Which grows taller, Asparagus or Black-Eyed Susan Vine?

Black-Eyed Susan Vine grows taller at 8' compared to Asparagus at 5'. Black-Eyed Susan Vine spreads 2' while Asparagus spreads 1' 6".

Are Asparagus and Black-Eyed Susan Vine deer resistant?

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

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

Both Asparagus and Black-Eyed Susan Vine 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	Asparagus	Black-Eyed Susan Vine
Scientific Name	Asparagus officinalis	Thunbergia alata
Family	Asparagaceae	Acanthaceae
Category	vegetables	vines
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained, Sandy	Well-drained
Height	5'	8'
Spread	1' 6"	2'
Bloom Season	Spring	Summer-Fall
Bloom Color	Yellow-green	Orange, Yellow, White
Growth Rate	Medium	Fast
Native Region	Europe, Western Asia	East Africa
Maintenance	Low	Low

Care Tips

Asparagus

✓Plant crowns in trenches 12 inches deep.
✓Don't harvest for first 2 years — let ferns grow to strengthen roots.
✓Harvest for 6-8 weeks in established beds.
✓Cut all spears regardless of size.

Black-Eyed Susan Vine

✓Treat as annual in most zones.
✓Provide trellis or let trail from basket.
✓Deadhead for continuous bloom.
✓Start indoors 6 weeks before last frost.

Frequently Asked Questions

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

Asparagus grows in USDA zones 3-8, while Black-Eyed Susan Vine grows in zones 10-11. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

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

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

Which grows taller, Asparagus or Black-Eyed Susan Vine?

Black-Eyed Susan Vine grows taller at 8' compared to Asparagus at 5'. Black-Eyed Susan Vine spreads 2' while Asparagus spreads 1' 6".

Are Asparagus and Black-Eyed Susan Vine deer resistant?

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

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

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