Pea vs Sweet Potato

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

Pea

Pisum sativum

Fabaceae · vegetables

EdibleLow Maintenance

Sweet Potato

Ipomoea batatas

Convolvulaceae · vegetables

EdibleDrought TolerantLow Maintenance

Hardiness Zone Range

Pea (Zones 2-11)

Sweet Potato (Zones 3-11)

Overlap: Both grow in zones 3–11

Detailed Comparison

Feature	Pea	Sweet Potato
Scientific Name	Pisum sativum	Ipomoea batatas
Family	Fabaceae	Convolvulaceae
Category	vegetables	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Loose, Sandy
Height	6'	1'
Spread	6"	4'
Bloom Season	Spring	Late Summer-Fall
Bloom Color	White	Purple (occasional)
Growth Rate	Fast	Fast
Native Region	Mediterranean, Middle East	Central/South America
Maintenance	Low	Low

Special Traits

Pea

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Sweet Potato

Yes — EdibleNo — Deer ResistantYes — Drought Tolerant

Care Tips

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.

Sweet Potato

✓Plant slips (rooted sprouts) after soil warms.
✓Needs loose soil and warm temperatures.
✓Cure harvested tubers at 80°F for 10 days.
✓Don't refrigerate.

Which Plant Is Right for Your Garden?

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

Choose Sweet Potato if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 3–11.

Plant them together? Both overlap in zones 3–11. They share similar sun requirements (full sun), making them potential garden companions.

View PeaProfile →View Sweet PotatoProfile →

Frequently Asked Questions

Can Pea and Sweet Potato grow in the same hardiness zone?

Pea grows in USDA zones 2-11, while Sweet Potato grows in zones 3-11. Both plants can grow together in zones 3 through 11.

Do Pea and Sweet Potato have the same sun and water needs?

Pea needs full sun and medium water, while Sweet Potato needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Pea or Sweet Potato?

Pea grows taller at 6' compared to Sweet Potato at 1'. Pea spreads 6" while Sweet Potato spreads 4'.

Are Pea and Sweet Potato deer resistant?

Neither Pea nor Sweet Potato is considered deer resistant. In areas with deer, consider protective fencing or deer repellent for both plants.

Which is easier to maintain, Pea or Sweet Potato?

Both Pea and Sweet Potato 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	Pea	Sweet Potato
Scientific Name	Pisum sativum	Ipomoea batatas
Family	Fabaceae	Convolvulaceae
Category	vegetables	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Rich, Well-drained	Loose, Sandy
Height	6'	1'
Spread	6"	4'
Bloom Season	Spring	Late Summer-Fall
Bloom Color	White	Purple (occasional)
Growth Rate	Fast	Fast
Native Region	Mediterranean, Middle East	Central/South America
Maintenance	Low	Low

Care Tips

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.

Sweet Potato

✓Plant slips (rooted sprouts) after soil warms.
✓Needs loose soil and warm temperatures.
✓Cure harvested tubers at 80°F for 10 days.
✓Don't refrigerate.

Which Plant Is Right for Your Garden?

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

Choose Sweet Potato if you want a low-maintenance plant, need drought tolerance. It thrives in full sun with medium water in zones 3–11.

Plant them together? Both overlap in zones 3–11. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Pea and Sweet Potato grow in the same hardiness zone?

Pea grows in USDA zones 2-11, while Sweet Potato grows in zones 3-11. Both plants can grow together in zones 3 through 11.

Do Pea and Sweet Potato have the same sun and water needs?

Pea needs full sun and medium water, while Sweet Potato needs full sun and medium water. They share similar growing requirements and can be planted in the same bed.

Which grows taller, Pea or Sweet Potato?

Pea grows taller at 6' compared to Sweet Potato at 1'. Pea spreads 6" while Sweet Potato spreads 4'.

Are Pea and Sweet Potato deer resistant?

Neither Pea nor Sweet Potato is considered deer resistant. In areas with deer, consider protective fencing or deer repellent for both plants.

Which is easier to maintain, Pea or Sweet Potato?

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