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When to plant in Tampa, FL

USDA Zone 10a

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

With only about -8 frost-free days, Tampa has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. Zone 10a is warm enough that Tampa can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · TAMPA INTL AP · 6.0 km
Last spring frost
January 20
50% chance · 32°F
First fall frost
January 12
50% chance · 32°F
Growing season
-8 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for TampaA year-band from January to December for Tampa: Tampa is effectively frost-free at 32°F — no distinct frost season.
Tampa is effectively frost-free at 32°F — no distinct frost season.

The average first fall frost in Tampa is now 8 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

TAMPA INTL AP · 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 Tampa’s own odds, recorded at TAMPA INTL AP.

Frost-probability curves for TampaProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 20 and the first fall frost around January 12, where a 32°F freeze is rare enough that there is effectively no distinct frost season.
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°FFeb 23Jan 29Dec 31Dec 14Jan 8Feb 8
32°FFeb 10Jan 20Dec 27Dec 23Jan 12Feb 5

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

What to plant now

TODAY · JULY 19

Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.

Add the next planting windows to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

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

Nearby weather stations

3 within 27 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.

TAMPA INTL AP
Primary
6 km · 6 m elevation
SPRING
Jan 20
FALL
Jan 12
ST PETERSBURG INTL AP
21 km · 3 m elevation
SPRING
Jan 17
FALL
Jan 14
ST PETERSBURG
27 km · 2 m elevation
SPRING
Jan 17
FALL
Jan 15

Tampa planting FAQ

When is the last spring frost in Tampa, FL?

Plan for the last spring frost in Tampa around January 20 (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 Tampa, FL?

The first fall frost in Tampa typically arrives around January 12 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Tampa in?

Tampa is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Tampa?

There are roughly -8 frost-free days in Tampa (a short growing season), running from the average last frost around January 20 to the first fall frost near January 12.

When should I plant tomatoes in Tampa?

In Tampa, start tomato seeds indoors around November 25–December 9, then transplant seedlings outdoors around January 27 once the danger of frost has passed.

Planting reminders

Never miss a window in Tampa

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

Nearby cities

8 within reach

Frost dates recorded at TAMPA INTL AP, 6 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 Tampa, FL — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012842. Retrieved from https://blissgarden.com/florida/tampa.