When is the last frost in Franklin, TN?

The average last spring frost (50% probability of 32°F) in Franklin is around April 3, based on NOAA/NCEI 1991–2020 normals at the Franklin Sewage Plt, TN station (6.2 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in Franklin?

The average first fall frost in Franklin, TN is around October 31, giving roughly a 210-day frost-free growing season.

What planting zone is Franklin, TN?

Franklin is in USDA plant hardiness zone 7b (average annual extreme minimum temperature 5 to 10°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Franklin?

In Franklin, TN the warmest month is July (avg high 90.8°F) and the coldest is January (avg low 28.6°F). It averages about 53.8″ of precipitation a year and 1.7″ of snow.

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Franklin, TN Planting Calendar & Frost Dates

USDA hardiness zone 7b · ZIP 37064 · elevation 200′ · NOAA & USDA data

Franklin is in USDA hardiness zone 7b (winters can dip to 5 to 10°F), with a growing season of about 210 days between the average last spring frost (April 3) and first fall frost (October 31). The warmest month is July (avg high 90.8°F); the coldest is January (avg low 28.6°F). It averages 53.8″ of precipitation a year and 1.7″ of snow, mostly mid-winter. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 5 to 10°F

Last spring frost

April 3

avg (50% prob, 32°F)

First fall frost

October 31

avg (50% prob, 32°F)

Growing season

210 days

frost-free window

Warmest month

July

avg high 90.8°F

Month-by-month typical weather in Franklin

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Franklin Sewage Plt, TN (6.2 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)	Snow (in)
January	49.1	28.6	38.9	4.3	0.9
February	53.4	31.1	42.3	4.8	0.3
March	62.2	37.8	50	5.2	0.4
April	71.9	46.2	59	5.2	0
May	79.5	55.4	67.4	5.4	0
June	87.3	64.3	75.8	4.4	0
July	90.8	68.5	79.7	4.6	0
August	90.2	66.9	78.5	3.6	0
September	84.8	59.8	72.3	4	0
October	73.8	47.2	60.5	3.5	0
November	61.6	37.1	49.4	3.8	0
December	52.5	31.8	42.1	5.2	0.1

What to plant when in Franklin

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: February 20 · Transplant out: April 10
Peppers	warm	Start seeds indoors: February 6 · Transplant out: April 17
Cucumbers	warm	Direct sow: April 10
Zucchini / squash	warm	Direct sow: April 10
Bush beans	warm	Direct sow: April 10
Sweet corn	warm	Direct sow: April 10
Basil	warm	Transplant out: April 10
Peas	cool	Sow (spring): February 27 · Sow (fall): September 5
Spinach	cool	Sow (spring): February 20 · Sow (fall): September 5
Lettuce	cool	Sow (spring): March 6 · Sow (fall): September 5
Kale	cool	Transplant (spring): March 13 · Sow (fall): August 22
Broccoli	cool	Transplant (spring): March 20
Carrots	cool	Sow (spring): March 13 · Sow (fall): August 22
Onions	cool	Transplant (spring): March 6
Potatoes	cool	Plant seed potatoes: March 20
Radishes	cool	Sow (spring): March 6 · Sow (fall): September 19

Dates are computed from Franklin's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

Nearby cities in Tennessee

Brentwood, TN Nashville, TN Smyrna, TN Murfreesboro, TN Hendersonville, TN Clarksville, TN Jackson, TN Chattanooga, TN

Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Franklin Sewage Plt, TN, 6.2 mi (confidence: high). Monthly weather normals: Franklin Sewage Plt, TN, 6.2 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.