Black-Eyed Susan Vine vs Colorado Blue Spruce

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

Black-Eyed Susan Vine

Thunbergia alata

Acanthaceae · vines

Deer ResistantLow Maintenance

Colorado Blue Spruce

Picea pungens

Pinaceae · trees

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Black-Eyed Susan Vine (Zones 10-11)

Colorado Blue Spruce (Zones 2-7)

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

Detailed Comparison

Feature	Black-Eyed Susan Vine	Colorado Blue Spruce
Scientific Name	Thunbergia alata	Picea pungens
Family	Acanthaceae	Pinaceae
Category	vines	trees
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	60'
Spread	2'	20'
Bloom Season	Summer-Fall	Spring
Bloom Color	Orange, Yellow, White	Green
Growth Rate	Fast	Slow
Native Region	East Africa	Rocky Mountains
Maintenance	Low	Low

Special Traits

Black-Eyed Susan Vine

No — EdibleYes — Deer ResistantNo — Drought Tolerant

Colorado Blue Spruce

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

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.

Colorado Blue Spruce

✓Needs full sun for best blue color.
✓Maintain lower branches for best appearance.
✓Watch for cytospora canker and spider mites.
✓Mulch well.

Which Plant Is Right for Your Garden?

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.

Choose Colorado Blue Spruce if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with medium water in zones 2–7.

View Black-Eyed Susan VineProfile →View Colorado Blue SpruceProfile →

Frequently Asked Questions

Can Black-Eyed Susan Vine and Colorado Blue Spruce grow in the same hardiness zone?

Black-Eyed Susan Vine grows in USDA zones 10-11, while Colorado Blue Spruce grows in zones 2-7. These plants have no overlapping hardiness zones, so they cannot be grown together in the same climate.

Do Black-Eyed Susan Vine and Colorado Blue Spruce have the same sun and water needs?

Black-Eyed Susan Vine needs full sun and medium water, while Colorado Blue Spruce 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 Vine or Colorado Blue Spruce?

Colorado Blue Spruce grows taller at 60' compared to Black-Eyed Susan Vine at 8'. Colorado Blue Spruce spreads 20' while Black-Eyed Susan Vine spreads 2'.

Are Black-Eyed Susan Vine and Colorado Blue Spruce deer resistant?

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

Which is easier to maintain, Black-Eyed Susan Vine or Colorado Blue Spruce?

Both Black-Eyed Susan Vine and Colorado Blue Spruce 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 Vine	Colorado Blue Spruce
Scientific Name	Thunbergia alata	Picea pungens
Family	Acanthaceae	Pinaceae
Category	vines	trees
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Well-drained
Height	8'	60'
Spread	2'	20'
Bloom Season	Summer-Fall	Spring
Bloom Color	Orange, Yellow, White	Green
Growth Rate	Fast	Slow
Native Region	East Africa	Rocky Mountains
Maintenance	Low	Low

Care Tips

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.

Colorado Blue Spruce

✓Needs full sun for best blue color.
✓Maintain lower branches for best appearance.
✓Watch for cytospora canker and spider mites.
✓Mulch well.