Butterfly Weed vs Colorado Blue Spruce

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

Butterfly Weed

Asclepias tuberosa

Apocynaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Colorado Blue Spruce

Picea pungens

Pinaceae · trees

Deer ResistantDrought TolerantLow Maintenance

Hardiness Zone Range

Butterfly Weed (Zones 3-9)

Colorado Blue Spruce (Zones 2-7)

Overlap: Both grow in zones 3–7

Detailed Comparison

Feature	Butterfly Weed	Colorado Blue Spruce
Scientific Name	Asclepias tuberosa	Picea pungens
Family	Apocynaceae	Pinaceae
Category	flowers	trees
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium
Soil	Well-drained, Sandy	Well-drained
Height	2' 6"	60'
Spread	1' 6"	20'
Bloom Season	Summer	Spring
Bloom Color	Orange	Green
Growth Rate	Medium	Slow
Native Region	Eastern North America	Rocky Mountains
Maintenance	Low	Low

Special Traits

Butterfly Weed

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Colorado Blue Spruce

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Care Tips

Butterfly Weed

✓Deep taproot — don't transplant.
✓Direct sow or plant young.
✓Late to emerge in spring — mark location.
✓Monarch caterpillar host plant.

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 Butterfly Weed if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 3–9.

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.

Plant them together? Both overlap in zones 3–7. They share similar sun requirements (full sun), making them potential garden companions.

View Butterfly WeedProfile →View Colorado Blue SpruceProfile →

Frequently Asked Questions

Can Butterfly Weed and Colorado Blue Spruce grow in the same hardiness zone?

Butterfly Weed grows in USDA zones 3-9, while Colorado Blue Spruce grows in zones 2-7. Both plants can grow together in zones 3 through 7.

Do Butterfly Weed and Colorado Blue Spruce have the same sun and water needs?

Butterfly Weed needs full sun and low water, while Colorado Blue Spruce needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Butterfly Weed or Colorado Blue Spruce?

Colorado Blue Spruce grows taller at 60' compared to Butterfly Weed at 2' 6". Colorado Blue Spruce spreads 20' while Butterfly Weed spreads 1' 6".

Are Butterfly Weed and Colorado Blue Spruce deer resistant?

Yes, both Butterfly Weed and Colorado Blue Spruce are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Butterfly Weed or Colorado Blue Spruce?

Both Butterfly Weed 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	Butterfly Weed	Colorado Blue Spruce
Scientific Name	Asclepias tuberosa	Picea pungens
Family	Apocynaceae	Pinaceae
Category	flowers	trees
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium
Soil	Well-drained, Sandy	Well-drained
Height	2' 6"	60'
Spread	1' 6"	20'
Bloom Season	Summer	Spring
Bloom Color	Orange	Green
Growth Rate	Medium	Slow
Native Region	Eastern North America	Rocky Mountains
Maintenance	Low	Low

Care Tips

Butterfly Weed

✓Deep taproot — don't transplant.
✓Direct sow or plant young.
✓Late to emerge in spring — mark location.
✓Monarch caterpillar host plant.

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 Butterfly Weed if you want a low-maintenance plant, need drought tolerance, and want deer resistance. It thrives in full sun with low water in zones 3–9.

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.

Plant them together? Both overlap in zones 3–7. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Butterfly Weed and Colorado Blue Spruce grow in the same hardiness zone?

Butterfly Weed grows in USDA zones 3-9, while Colorado Blue Spruce grows in zones 2-7. Both plants can grow together in zones 3 through 7.

Do Butterfly Weed and Colorado Blue Spruce have the same sun and water needs?

Butterfly Weed needs full sun and low water, while Colorado Blue Spruce needs full sun and medium water. Their differing requirements mean you may need separate garden areas for each.

Which grows taller, Butterfly Weed or Colorado Blue Spruce?

Colorado Blue Spruce grows taller at 60' compared to Butterfly Weed at 2' 6". Colorado Blue Spruce spreads 20' while Butterfly Weed spreads 1' 6".

Are Butterfly Weed and Colorado Blue Spruce deer resistant?

Yes, both Butterfly Weed and Colorado Blue Spruce are considered deer resistant, making them excellent choices for gardens in areas with deer pressure.

Which is easier to maintain, Butterfly Weed or Colorado Blue Spruce?

Both Butterfly Weed and Colorado Blue Spruce have low maintenance requirements. They need a similar level of care including regular attention to watering, pruning, and soil health.