🍠 Can I Plant Sweet Potato in Memphis, TN?
Temperature conditions are suitable for Sweet Potato.
Growing Sweet Potato in Memphis
Memphis sits in Zone 7b along the Mississippi River, with about 230 frost-free days. The humid subtropical climate means hot, muggy summers that favor heat-tolerant crops like okra, sweet potatoes, and Southern peas. Spring arrives early enough for a productive warm-season garden, and fall is excellent for cool-season greens started in September.
In Memphis (last frost around March 20), aim to direct sow or transplant sweet potato outside around April — approximately 2 weeks after your last expected frost. Starting seeds indoors 6 weeks before the last frost date gives you a significant head start.
Sweet Potato thrives between 70°F and 95°F. It is frost-sensitive, meaning a single freeze at 32°F will damage or kill it — always wait until frost danger has fully passed. Expect 90–120 days from transplant to first harvest. Needs very warm, long season.
Frequently Asked Questions
When can I plant sweet potato in Memphis, TN?
In Memphis (last frost around March 20), aim to direct sow or transplant sweet potato outside around April — approximately 2 weeks after your last expected frost. For best results, start seeds indoors 6 weeks before that — giving you strong transplants ready to go out at the right time.
What is the USDA hardiness zone for Memphis?
Memphis, TN is in USDA Plant Hardiness Zone 7b. The last expected spring frost is around March 20, and the first fall frost arrives around November 7. This zone classification helps you understand which perennials survive winter and when annual vegetables can safely go outdoors.
Is it safe to plant sweet potato outside in Memphis right now?
That depends on the current weather forecast. Sweet Potato needs temperatures above 60°F (ideally 70–95°F) to thrive. CanIPlant checks your real 7-day forecast and any active frost alerts to give you a live YES, NO, or WAIT answer — just enter your ZIP code.
Can I grow sweet potato in Memphis 2026?
Yes — Sweet Potato grows well in Memphis, TN. With a Zone 7b climate and a growing season of ~232 days, Memphis is well-suited for warm-season crops like sweet potato. Just wait until after the last frost (around March 20) before moving plants outside.
Grow Sweet Potato in Other Cities
Get a live answer for your exact address
Enter your ZIP code — CanIPlant checks your real 7-day forecast, frost alerts, and 30-year climate data to tell you whether to plant sweet potato right now.
Check My ZIP Code →