Green Bean vs Sweet Potato

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

Green Bean

Phaseolus vulgaris

Fabaceae · vegetables

EdibleLow Maintenance

Sweet Potato

Ipomoea batatas

Convolvulaceae · vegetables

EdibleDrought TolerantLow Maintenance

Hardiness Zone Range

Green Bean (Zones 2-11)

Sweet Potato (Zones 3-11)

Overlap: Both grow in zones 3–11

Detailed Comparison

Feature	Green Bean	Sweet Potato
Scientific Name	Phaseolus vulgaris	Ipomoea batatas
Family	Fabaceae	Convolvulaceae
Category	vegetables	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Loose, Sandy
Height	2'	1'
Spread	8"	4'
Bloom Season	Summer	Late Summer-Fall
Bloom Color	White	Purple (occasional)
Growth Rate	Fast	Fast
Native Region	Central/South America	Central/South America
Maintenance	Low	Low

Special Traits

Green Bean

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Sweet Potato

Yes — EdibleNo — Deer ResistantYes — Drought Tolerant

Care Tips

Green Bean

✓Direct sow after all frost danger.
✓Don't soak seeds.
✓Pick every 2-3 days to encourage production.
✓Rotate planting location yearly.
✓Beans fix nitrogen — don't fertilize heavily.

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 Green Bean 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 Green BeanProfile →View Sweet PotatoProfile →

Frequently Asked Questions

Can Green Bean and Sweet Potato grow in the same hardiness zone?

Green Bean 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 Green Bean and Sweet Potato have the same sun and water needs?

Green Bean 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, Green Bean or Sweet Potato?

Green Bean grows taller at 2' compared to Sweet Potato at 1'. Green Bean spreads 8" while Sweet Potato spreads 4'.

Are Green Bean and Sweet Potato deer resistant?

Neither Green Bean 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, Green Bean or Sweet Potato?

Both Green Bean 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	Green Bean	Sweet Potato
Scientific Name	Phaseolus vulgaris	Ipomoea batatas
Family	Fabaceae	Convolvulaceae
Category	vegetables	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Well-drained	Loose, Sandy
Height	2'	1'
Spread	8"	4'
Bloom Season	Summer	Late Summer-Fall
Bloom Color	White	Purple (occasional)
Growth Rate	Fast	Fast
Native Region	Central/South America	Central/South America
Maintenance	Low	Low

Care Tips

Green Bean

✓Direct sow after all frost danger.
✓Don't soak seeds.
✓Pick every 2-3 days to encourage production.
✓Rotate planting location yearly.
✓Beans fix nitrogen — don't fertilize heavily.

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 Green Bean 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 Green Bean and Sweet Potato grow in the same hardiness zone?

Green Bean 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 Green Bean and Sweet Potato have the same sun and water needs?

Green Bean 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, Green Bean or Sweet Potato?

Green Bean grows taller at 2' compared to Sweet Potato at 1'. Green Bean spreads 8" while Sweet Potato spreads 4'.

Are Green Bean and Sweet Potato deer resistant?

Neither Green Bean 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, Green Bean or Sweet Potato?

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