🧅 Can I Plant Green Onion in Memphis, TN?
Temperature conditions are suitable for Green Onion. Highs near 94°F are on the warm side — make sure plants have plenty of water.
Growing Green Onion 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), green onion can go out around February — approximately 4 weeks before the last expected frost, making it an early-season opportunity. Starting seeds indoors 8 weeks before the last frost date gives you a significant head start.
Green Onion thrives between 50°F and 80°F. It tolerates temperatures as low as 35°F, making it a candidate for early spring planting before the last frost date. Expect 60–80 days from transplant to first harvest. Easy and fast. Direct sow in early spring or fall. Harvest young.
Frequently Asked Questions
When can I plant green onion in Memphis, TN?
In Memphis (last frost around March 20), green onion can go out around February — approximately 4 weeks before the last expected frost, making it an early-season opportunity. For best results, start seeds indoors 8 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 green onion outside in Memphis right now?
That depends on the current weather forecast. Green Onion needs temperatures above 35°F (ideally 50–80°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 green onion in Memphis 2026?
Yes — Green Onion 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 green onion. As a frost-tolerant crop, green onion can even go out a few weeks before the last frost date.
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