🌿 Can I Plant Rosemary in Memphis, TN?
Temperature conditions are suitable for Rosemary. Highs near 91°F are on the warm side — make sure plants have plenty of water. The season is running warmer than normal, which has opened this window earlier than usual.
Growing Rosemary 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 rosemary outside around March — approximately 0 weeks after your last expected frost. Starting seeds indoors 12 weeks before the last frost date gives you a significant head start.
Rosemary thrives between 50°F and 85°F. It tolerates temperatures as low as 28°F, making it a candidate for early spring planting before the last frost date. Expect 80–90 days from transplant to first harvest. Slow from seed. Best transplanted. Drought-tolerant once established.
Frequently Asked Questions
When can I plant rosemary in Memphis, TN?
In Memphis (last frost around March 20), aim to direct sow or transplant rosemary outside around March — approximately 0 weeks after your last expected frost. For best results, start seeds indoors 12 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 rosemary outside in Memphis right now?
That depends on the current weather forecast. Rosemary needs temperatures above 28°F (ideally 50–85°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 rosemary in Memphis 2026?
Yes — Rosemary grows well in Memphis, TN. With a Zone 7b climate and a growing season of ~232 days, Memphis is well-suited for cool-season crops like rosemary. As a frost-tolerant crop, rosemary can even go out a few weeks before the last frost date.
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