Whitwell-Sequatchie Vly, TN Frost Dates & Growing Season

The two dates every Whitwell-Sequatchie Vly garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Mar 26
~50% chance of frost after
First fall frost
Nov 8
~50% chance of frost before
Growing season
227 days
frost-free stretch
USDA zone
≈ 7b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Mar 6 Mar 26 Apr 13
First fall frost Nov 29 Nov 8 Oct 25
Hard freeze (28°F), median last Mar 12 · first Nov 24

Computed from NOAA 1991–2020 climate normals at the WHITWELL-SEQUATCHIE VLY station. "Safe" means frost past that date happens only about one year in ten. Your exact garden can still run days either way with elevation and terrain — check your own ZIP with the frost date lookup.

Planting windows for Whitwell-Sequatchie Vly

Computed from Whitwell-Sequatchie Vly's own frost dates. Click any crop for the full zone-7 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Jan 29 – Feb 12 Apr 2 – Apr 9
🫑 Peppers Jan 15 – Jan 29 Apr 9 – Apr 16
🥬 Lettuce Feb 12 – Feb 26 Feb 26 – Mar 12 Feb 26 – Mar 26
🫛 Peas Feb 12 – Feb 26
🥕 Carrots Mar 5 – Mar 26
🥦 Broccoli Feb 5 – Feb 19 Mar 5 – Mar 19
🥬 Kale Feb 12 – Feb 26 Feb 26 – Mar 12 Feb 26 – Mar 12
🥒 Cucumbers Feb 26 – Mar 5 Apr 2 – Apr 9 Apr 2 – Apr 9
🥒 Zucchini Feb 26 – Mar 5 Apr 2 – Apr 9 Apr 2 – Apr 9
🫘 Green Beans (Bush) Apr 2 – Apr 9
🌽 Sweet Corn Apr 2 – Apr 9
🌿 Basil Feb 12 – Feb 26 Apr 2 – Apr 9 Apr 9 – Apr 16
🧄 Garlic Fall: Sep 27 – Oct 25

Want this for all 50 crops, or as a printable seed-shelf schedule? Use the planting calendar and the seed starting scheduler — both can use Whitwell-Sequatchie Vly's dates automatically after a lookup.

Reading the season in Whitwell-Sequatchie Vly

With roughly 227 frost-free days, Whitwell-Sequatchie Vly gardens fit long-season crops — melons, winter squash, sweet potatoes — with room left for spring and fall rounds of greens and roots. The first frost around Nov 8 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Whitwell-Sequatchie Vly, TN?

The average last spring frost in Whitwell-Sequatchie Vly is around Mar 26, based on 1991–2020 climate normals. That's a median — about half of years see a later frost, so tender crops are safest going out a week or two after this date.

When is the first frost in Whitwell-Sequatchie Vly, TN?

The average first fall frost in Whitwell-Sequatchie Vly arrives around Nov 8. Crops still in the garden need to mature before then, and frost-tender plants need harvesting or protection as the date approaches.

How long is the growing season in Whitwell-Sequatchie Vly?

About 227 frost-free days on average, from Mar 26 to Nov 8. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Whitwell-Sequatchie Vly in?

USDA zone 7b on the 2023 Plant Hardiness Zone Map. Note that zones describe winter cold, not frost timing — these frost dates are the numbers to plan plantings around.