Perennial Flower

When to Plant Daylilies in Tennessee

Nearly indestructible perennials with stunning trumpet-shaped blooms. Each flower lasts just one day, but the show goes on for weeks.

The Short Answer

In Tennessee, plant daylilies based on your regional frost dates. East Tennessee has a last frost around Apr 5 - Apr 25, while West Tennessee sees frost end around Mar 25 - Apr 10. Mild four-season climate. Hot, humid summers. Adequate rainfall. Good growing season for wide variety of crops.

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

Daylilies Planting Schedule for Tennessee

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

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

Transplant Outside
0 wks after frost

Middle Tennessee (Zones 6b, 7a)

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

Transplant Outside
0 wks after frost

West Tennessee (Zones 7a, 7b)

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

Transplant Outside
0 wks after frost

Growing Daylilies in Tennessee

Daylilies in Tennessee's Climate

Daylilies perform beautifully in warm climates. Choose semi-evergreen or evergreen varieties for year-round foliage. Your long growing season supports extended bloom periods. Daylilies handle heat and moderate drought — ideal for water-conscious landscaping.

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. Daylilies 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 daylilies — adjust your planting dates to match your specific region.

Growing Tips

Plant bare-root or divisions in spring or fall. Divide clumps every 3-4 years to maintain vigor. Deadhead to keep gardens tidy.

Companion Planting

Plant daylilies alongside these companions for better growth:

Coneflowers Black Eyed Susans

The Bottom Line

Daylilies 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

Ready to Start Planting?

Enter your zip code and pick your plant. We'll tell you exactly when to plant, start seeds, and harvest — based on where you live.

Find Your Planting Dates