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Sweet Potato plant growing in a garden

Photo: Wikimedia Commons

Growing Sweet Potato

Sweet potatoes need a long warm season and thrive in heat — they are a subtropical crop at heart.

Quick Answer: Sweet Potato grows in Zones 5a–11b, taking 90–120 days to harvest.
🌡️ Zones 5a–11b ☀️ Full Sun 💧 Moderate Water 🔧 Intermediate 🪴 Container OK (10+ gal) 🏜️ Drought Tolerant ♾️ Perennial 🐾 Pet Safe

Can You Grow Sweet Potato in Your Area?

Growing Tips

Plant slips (rooted cuttings) after soil warms to 18°C. They sprawl — give them space or train vertically. Cure harvested tubers at 30°C for a week to develop sweetness and improve storage.

Where Does Sweet Potato Grow?

Sweet Potato is suited to Zones 5a–11b. Here are some areas where it thrives:

✅ Zone 5a ✅ Zone 5b ✅ Zone 6a ✅ Zone 6b ✅ Zone 7a ✅ Zone 7b ✅ Zone 8a ✅ Zone 8b ✅ Zone 9a ✅ Zone 9b ✅ Zone 10a ✅ Zone 10b
Won't grow outdoors in: very cold zones (below Zone 5a) . Sweet potatoes need a long warm season (90+ frost-free days above 18°C) this zone cannot reliably provide.

Frequently Asked Questions

Sweet Potato grows in USDA Zones 5a–11b.
Sweet Potato needs moderate care.
Yes — use a 10+ gallon pot.
Sweet Potato is safe for dogs and safe for cats.