When to Plant in Tennessee

Tennessee's varied terrain — from the Great Smoky Mountains in the east to the Mississippi River floodplain in the west — creates diverse growing conditions. Memphis gardeners enjoy a long, warm season, while mountain gardeners in the east face shorter, cooler conditions.

The state's moderate climate supports a wide range of vegetables, and the long growing season in western and central Tennessee means gardeners can often get both spring and fall harvests of many crops.

Common Mistakes

Assuming all of Tennessee has the same planting dates — eastern mountains can be 3-4 weeks behind Memphis.
Not planning for summer heat — temperatures above 95°F in July and August can stress tomatoes and peppers.
Skipping the fall garden — Tennessee's mild autumns are perfect for a second round of cool-season vegetables.
Underestimating humidity-related diseases — good airflow and proper spacing prevent many fungal problems.

FAQ

What is the last frost date?

The last frost date is the typical date in spring when your area has its final frost. After this date, it's generally safe to plant warm-season crops outdoors.

When should I start tomatoes indoors in Tennessee?

Start tomato seeds indoors about 6–8 weeks before your last frost date. In Nashville, that's typically late February. In mountain areas, start in mid-March.

Can I plant before the last frost?

Yes — cool-season crops like lettuce, peas, spinach, and broccoli can handle light frost and should be planted 4–6 weeks before your last frost date.

Why does timing vary so much within Tennessee?

Eastern Tennessee's mountains are significantly cooler and higher than the western lowlands near Memphis. Frost dates can differ by 3-4 weeks across the state.

What if I live in a frost-free area?

Tennessee doesn't have truly frost-free areas, but Memphis and the western lowlands have a long growing season. Enter your zip code in the app for personalized dates.

How does Plan My Garden create my schedule?

You enter your zip code, and we look up your local frost dates. Then based on the crops you pick, we calculate when to start seeds, transplant, and harvest — personalized to your location.