Butterfly Weed vs Pea

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

Butterfly Weed

Asclepias tuberosa

Apocynaceae · flowers

Deer ResistantDrought TolerantLow Maintenance

Pea

Pisum sativum

Fabaceae · vegetables

EdibleLow Maintenance

Hardiness Zone Range

Butterfly Weed (Zones 3-9)

Pea (Zones 2-11)

Overlap: Both grow in zones 3–9

Detailed Comparison

Feature	Butterfly Weed	Pea
Scientific Name	Asclepias tuberosa	Pisum sativum
Family	Apocynaceae	Fabaceae
Category	flowers	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium
Soil	Well-drained, Sandy	Rich, Well-drained
Height	2' 6"	6'
Spread	1' 6"	6"
Bloom Season	Summer	Spring
Bloom Color	Orange	White
Growth Rate	Medium	Fast
Native Region	Eastern North America	Mediterranean, Middle East
Maintenance	Low	Low

Special Traits

Butterfly Weed

No — EdibleYes — Deer ResistantYes — Drought Tolerant

Pea

Yes — EdibleNo — Deer ResistantNo — 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.

Pea

✓Plant 4-6 weeks before last frost — peas love cool weather.
✓Provide trellis or pea netting.
✓Harvest frequently for continued production.
✓Inoculate seeds with rhizobium for best nitrogen fixation.

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

Plant them together? Both overlap in zones 3–9. They share similar sun requirements (full sun), making them potential garden companions.

View Butterfly WeedProfile →View PeaProfile →

Frequently Asked Questions

Can Butterfly Weed and Pea grow in the same hardiness zone?

Butterfly Weed grows in USDA zones 3-9, while Pea grows in zones 2-11. Both plants can grow together in zones 3 through 9.

Do Butterfly Weed and Pea have the same sun and water needs?

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

Which grows taller, Butterfly Weed or Pea?

Pea grows taller at 6' compared to Butterfly Weed at 2' 6". Pea spreads 6" while Butterfly Weed spreads 1' 6".

Are Butterfly Weed and Pea deer resistant?

Butterfly Weed is deer resistant, but Pea is not. If deer are a concern, Butterfly Weed is the better choice, or protect Pea with fencing.

Which is easier to maintain, Butterfly Weed or Pea?

Both Butterfly Weed and Pea 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	Pea
Scientific Name	Asclepias tuberosa	Pisum sativum
Family	Apocynaceae	Fabaceae
Category	flowers	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧 Low	💧💧 Medium
Soil	Well-drained, Sandy	Rich, Well-drained
Height	2' 6"	6'
Spread	1' 6"	6"
Bloom Season	Summer	Spring
Bloom Color	Orange	White
Growth Rate	Medium	Fast
Native Region	Eastern North America	Mediterranean, Middle East
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.

Pea

✓Plant 4-6 weeks before last frost — peas love cool weather.
✓Provide trellis or pea netting.
✓Harvest frequently for continued production.
✓Inoculate seeds with rhizobium for best nitrogen fixation.

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

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 Butterfly Weed and Pea grow in the same hardiness zone?

Butterfly Weed grows in USDA zones 3-9, while Pea grows in zones 2-11. Both plants can grow together in zones 3 through 9.

Do Butterfly Weed and Pea have the same sun and water needs?

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

Which grows taller, Butterfly Weed or Pea?

Pea grows taller at 6' compared to Butterfly Weed at 2' 6". Pea spreads 6" while Butterfly Weed spreads 1' 6".

Are Butterfly Weed and Pea deer resistant?

Butterfly Weed is deer resistant, but Pea is not. If deer are a concern, Butterfly Weed is the better choice, or protect Pea with fencing.

Which is easier to maintain, Butterfly Weed or Pea?

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