Cool-Season Vegetable

When to Plant Broccoli in Tennessee

A nutrition powerhouse that thrives in cool weather. Harvest the main head, then enjoy weeks of side shoots.

The Short Answer

Broccoli are cold-tolerant and do well in Tennessee's humid climate. You can direct sow 4 weeks before your last frost — that's as early as Apr 5 - Apr 25 in East Tennessee. Tennessee gardeners can also plant a fall crop. Clay soils over limestone in Middle Tennessee. Rich river bottom soils in west. Rocky mountain...

Tennessee Frost Dates

Your planting dates depend on which part of Tennessee you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
East Tennessee 6a, 6b, 7a Apr 5 - Apr 25 Oct 10 - Oct 25
Middle Tennessee 6b, 7a Apr 5 - Apr 20 Oct 15 - Nov 1
West Tennessee 7a, 7b Mar 25 - Apr 10 Oct 20 - Nov 5

Broccoli Planting Schedule for Tennessee

East Tennessee (Zones 6a, 6b, 7a)

Average last frost: Apr 5 - Apr 25 · Average first frost: Oct 10 - Oct 25

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Middle Tennessee (Zones 6b, 7a)

Average last frost: Apr 5 - Apr 20 · Average first frost: Oct 15 - Nov 1

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

West Tennessee (Zones 7a, 7b)

Average last frost: Mar 25 - Apr 10 · Average first frost: Oct 20 - Nov 5

Start Seeds Indoors
6 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
10 wks before first frost

Growing Broccoli in Tennessee

Broccoli in Tennessee's Climate

Broccoli is a cool-season crop in your warm climate. Plant from September through November for fall-winter harvest. The gradually cooling autumn produces sweet, dense heads. Frost-kissed broccoli tastes noticeably better. Choose heat-tolerant varieties like Green Magic that head reliably even when your 'cool season' is warmer than northern states' summers.

Soil Considerations for Tennessee

Clay soils over limestone in Middle Tennessee. Rich river bottom soils in west. Rocky mountain soils in east.

Tennessee Climate & Growing Season

Mild four-season climate. Hot, humid summers. Adequate rainfall. Good growing season for wide variety of crops. Broccoli can handle frost well, which is an advantage in Tennessee's climate. You can push planting dates earlier in spring and extend into fall.

Growing season length varies across Tennessee: East Tennessee (6a, 6b, 7a) has a last frost around Apr 5 - Apr 25, while West Tennessee (7a, 7b) sees frost end around Mar 25 - Apr 10. This difference matters for broccoli — but broccoli handle frost well, so the timing difference is less critical.

Growing Tips

Harvest main head while buds are tight. Side shoots will continue producing for weeks after the main harvest.

Companion Planting

Plant broccoli alongside these companions for better growth:

Beets Celery Onions Potatoes

Keep broccoli away from:

Tomatoes Peppers Strawberries

The Bottom Line

Broccoli can be grown successfully across Tennessee, but your exact planting dates depend on which region you're in. East Tennessee gardeners should plan around a Apr 5 - Apr 25 last frost, while those in West Tennessee can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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