blissgarden.

When to plant in Clinton, TN

USDA Zone 7b

Everything below — frost dates, hardiness zone, and what to plant when in Clinton, Tennessee — is derived from the closest NOAA station with complete climate normals.

In zone 7b, Clinton supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · OAK RIDGE ASOS · 12.7 km
Last spring frost
March 31
50% chance · 32°F
First fall frost
November 4
50% chance · 32°F
Growing season
218 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for ClintonA year-band showing 32°F frost risk from January to December for Clinton: last spring frost around March 31, first fall frost around November 4, about 218 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

OAK RIDGE ASOS · 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 Clinton’s own odds, recorded at OAK RIDGE ASOS.

Frost-probability curves for ClintonProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 31 and the first fall frost around November 4, giving about 218 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°FApr 30Apr 12Mar 28Oct 14Oct 27Nov 8
32°FApr 15Mar 31Mar 11Oct 22Nov 4Nov 18
28°FApr 3Mar 18Feb 26Nov 1Nov 15Dec 4

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 15July 29
Fall sowin 10 days
Rutabaga
July 29August 12
Fall sowin 24 days
Broccoli
August 12August 26
Fall sowin 24 days
Cabbage
August 12August 26
Fall sowin 24 days
Carrot
August 12August 26
Fall sowin 24 days
Cauliflower
August 12August 26
Fall sowin 24 days
Napa Cabbage
August 12September 9

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 Clinton, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 15 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.

OAK RIDGE ASOS
Primary
13 km · 277 m elevation
SPRING
Mar 31
FALL
Nov 4
NORRIS
14 km · 338 m elevation
SPRING
Apr 22
FALL
Oct 25
OAK RIDGE ATDD
15 km · 276 m elevation
SPRING
Apr 5
FALL
Nov 1

Clinton planting FAQ

When is the last spring frost in Clinton, TN?

Plan for the last spring frost in Clinton around March 31 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.

When is the first fall frost in Clinton, TN?

Expect Clinton's first fall frost near November 4 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Clinton in?

Clinton 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 Clinton?

Clinton has about 218 frost-free days — a long growing season — between the average last spring frost (March 31) and first fall frost (November 4).

When should I plant tomatoes in Clinton?

For Clinton, sow tomatoes indoors about February 3–February 17 and move the seedlings out around April 7, after the last spring frost.

Planting reminders

Never miss a window in Clinton

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

Nearby cities

8 within reach

Frost dates recorded at OAK RIDGE ASOS, 13 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 Clinton, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053868. Retrieved from https://blissgarden.com/tennessee/clinton.