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When to plant in Martin, TN

USDA Zone 7b

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

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

Station · MARTIN U OF T BRANCH E · 1.3 km
Last spring frost
April 4
50% chance · 32°F
First fall frost
October 28
50% chance · 32°F
Growing season
207 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for MartinA year-band showing 32°F frost risk from January to December for Martin: last spring frost around April 4, first fall frost around October 28, about 207 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

MARTIN U OF T BRANCH E · 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 Martin’s own odds, recorded at MARTIN U OF T BRANCH E.

Frost-probability curves for MartinProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 4 and the first fall frost around October 28, giving about 207 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 1Apr 16Apr 1Oct 7Oct 19Oct 31
32°FApr 21Apr 4Mar 20Oct 15Oct 28Nov 10
28°FApr 9Mar 26Mar 8Oct 24Nov 6Nov 25

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 8July 22
Fall sowin 3 days
Rutabaga
July 22August 5
Fall sowin 17 days
Broccoli
August 5August 19
Fall sowin 17 days
Cabbage
August 5August 19
Fall sowin 17 days
Carrot
August 5August 19
Fall sowin 17 days
Cauliflower
August 5August 19
Fall sowin 17 days
Napa Cabbage
August 5September 2

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 Martin, 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.

MARTIN U OF T BRANCH E
Primary
1 km · 104 m elevation
SPRING
Apr 4
FALL
Oct 28
DRESDEN
14 km · 137 m elevation
SPRING
Apr 3
FALL
Nov 1
UNION CITY
17 km · 107 m elevation
SPRING
Apr 3
FALL
Oct 29

Martin planting FAQ

When is the last spring frost in Martin, TN?

Plan for the last spring frost in Martin around April 4 (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 Martin, TN?

In Martin, the first 32°F freeze of fall lands around October 28 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Martin in?

Martin 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 Martin?

There are roughly 207 frost-free days in Martin (a moderate growing season), running from the average last frost around April 4 to the first fall frost near October 28.

When should I plant tomatoes in Martin?

In Martin, start tomato seeds indoors around February 7–February 21, then transplant seedlings outdoors around April 11 once the danger of frost has passed.

Planting reminders

Never miss a window in Martin

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

Nearby cities

8 within reach

Frost dates recorded at MARTIN U OF T BRANCH E, 1 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 Martin, TN — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00405681. Retrieved from https://blissgarden.com/tennessee/martin.