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When to plant in Franklin, TN

USDA Zone 7b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Franklin, Tennessee — all computed from Franklin's nearest NOAA weather station.

Zone 7b means many perennials and even some tender shrubs overwinter in Franklin, while your frost dates still decide when annuals go out.

Station · FRANKLIN SEWAGE PLT · 3.4 km
Last spring frost
April 3
50% chance · 32°F
First fall frost
October 31
50% chance · 32°F
Growing season
211 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for FranklinA year-band showing 32°F frost risk from January to December for Franklin: last spring frost around April 3, first fall frost around October 31, about 211 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Franklin is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

FRANKLIN SEWAGE PLT · 1991–2020

The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Franklin’s own odds, recorded at FRANKLIN SEWAGE PLT.

Frost-probability curves for FranklinProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 3 and the first fall frost around October 31, giving about 211 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 2Apr 16Mar 31Oct 10Oct 22Nov 3
32°FApr 20Apr 3Mar 17Oct 18Oct 31Nov 13
28°FApr 8Mar 22Mar 2Oct 30Nov 10Nov 30

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 11July 25
Fall sowin 6 days
Rutabaga
July 25August 8
Fall sowin 20 days
Broccoli
August 8August 22
Fall sowin 20 days
Cabbage
August 8August 22
Fall sowin 20 days
Carrot
August 8August 22
Fall sowin 20 days
Cauliflower
August 8August 22
Fall sowin 20 days
Napa Cabbage
August 8September 5

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Franklin, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 17 km · complete 32°F normals

When stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.

FRANKLIN SEWAGE PLT
Primary
3 km · 200 m elevation
SPRING
Apr 3
FALL
Oct 31
BRENTWOOD
11 km · 216 m elevation
SPRING
Apr 15
FALL
Oct 26
WARNER PARK
17 km · 191 m elevation
SPRING
Apr 6
FALL
Nov 1

Franklin planting FAQ

When is the last spring frost in Franklin, TN?

On average, the last spring frost in Franklin is around April 3 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.

When is the first fall frost in Franklin, TN?

In Franklin, the first 32°F freeze of fall lands around October 31 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Franklin in?

Franklin is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.

How long is the growing season in Franklin?

There are roughly 211 frost-free days in Franklin (a long growing season), running from the average last frost around April 3 to the first fall frost near October 31.

When should I plant tomatoes in Franklin?

In Franklin, start tomato seeds indoors around February 6–February 20, then transplant seedlings outdoors around April 10 once the danger of frost has passed.

Planting reminders

Never miss a window in Franklin

An email when it’s time to start seeds, transplant, and sow — timed to Franklin’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at FRANKLIN SEWAGE PLT, 3 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Franklin, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00403280. Retrieved from https://blissgarden.com/tennessee/franklin.