Potato vs Radish

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

Potato

Solanum tuberosum

Solanaceae · vegetables

EdibleMedium Maintenance

Radish

Raphanus sativus

Brassicaceae · vegetables

EdibleLow Maintenance

Hardiness Zone Range

Potato (Zones 3-10)

Radish (Zones 2-11)

Overlap: Both grow in zones 3–10

Detailed Comparison

Feature	Potato	Radish
Scientific Name	Solanum tuberosum	Raphanus sativus
Family	Solanaceae	Brassicaceae
Category	vegetables	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Loose, Acidic	Loose, Well-drained
Height	2'	6"
Spread	1' 6"	3"
Bloom Season	Summer	Spring, Fall
Bloom Color	White, Purple	White, Pink
Growth Rate	Medium	Fast
Native Region	South America (Andes)	Southeast Asia
Maintenance	Medium	Low

Special Traits

Potato

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Radish

Yes — EdibleNo — Deer ResistantNo — Drought Tolerant

Care Tips

Potato

✓Plant seed potatoes 4 inches deep, 12 inches apart.
✓Hill soil around stems as they grow.
✓Don't eat green potatoes — they contain solanine.
✓Harvest 2 weeks after vines die.

Radish

✓Direct sow — don't transplant.
✓Thin to 2 inches apart.
✓Harvest promptly to prevent pithy texture.
✓Great marker crop planted with slow-germinating carrots.

Which Plant Is Right for Your Garden?

Choose Potato if you don't mind medium maintenance. It thrives in full sun with medium water in zones 3–10.

Choose Radish 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 3–10. They share similar sun requirements (full sun), making them potential garden companions.

View PotatoProfile →View RadishProfile →

Frequently Asked Questions

Can Potato and Radish grow in the same hardiness zone?

Potato grows in USDA zones 3-10, while Radish grows in zones 2-11. Both plants can grow together in zones 3 through 10.

Do Potato and Radish have the same sun and water needs?

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

Which grows taller, Potato or Radish?

Potato grows taller at 2' compared to Radish at 6". Potato spreads 1' 6" while Radish spreads 3".

Are Potato and Radish deer resistant?

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

Which is easier to maintain, Potato or Radish?

Potato has medium maintenance while Radish has low maintenance. Radish may be easier for beginning gardeners to manage.

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Detailed Comparison

Feature	Potato	Radish
Scientific Name	Solanum tuberosum	Raphanus sativus
Family	Solanaceae	Brassicaceae
Category	vegetables	vegetables
Sun	☀️ Full Sun	☀️ Full Sun
Water	💧💧 Medium	💧💧 Medium
Soil	Loose, Acidic	Loose, Well-drained
Height	2'	6"
Spread	1' 6"	3"
Bloom Season	Summer	Spring, Fall
Bloom Color	White, Purple	White, Pink
Growth Rate	Medium	Fast
Native Region	South America (Andes)	Southeast Asia
Maintenance	Medium	Low

Care Tips

Potato

✓Plant seed potatoes 4 inches deep, 12 inches apart.
✓Hill soil around stems as they grow.
✓Don't eat green potatoes — they contain solanine.
✓Harvest 2 weeks after vines die.

Radish

✓Direct sow — don't transplant.
✓Thin to 2 inches apart.
✓Harvest promptly to prevent pithy texture.
✓Great marker crop planted with slow-germinating carrots.

Which Plant Is Right for Your Garden?

Choose Potato if you don't mind medium maintenance. It thrives in full sun with medium water in zones 3–10.

Choose Radish 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 3–10. They share similar sun requirements (full sun), making them potential garden companions.

Frequently Asked Questions

Can Potato and Radish grow in the same hardiness zone?

Potato grows in USDA zones 3-10, while Radish grows in zones 2-11. Both plants can grow together in zones 3 through 10.

Do Potato and Radish have the same sun and water needs?

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

Which grows taller, Potato or Radish?

Potato grows taller at 2' compared to Radish at 6". Potato spreads 1' 6" while Radish spreads 3".

Are Potato and Radish deer resistant?

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

Which is easier to maintain, Potato or Radish?

Potato has medium maintenance while Radish has low maintenance. Radish may be easier for beginning gardeners to manage.