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When to plant in Plant City, FL

USDA Zone 9b

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

Plant City's growing season is short at roughly -24 days, so succession planting is limited; lean on transplants over direct sowing for anything slow to mature. Zone 9b is warm enough that Plant City can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · PLANT CITY · 2.1 km
Last spring frost
January 30
50% chance · 32°F
First fall frost
January 6
50% chance · 32°F
Growing season
-24 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Plant CityA year-band from January to December for Plant City: Plant City is effectively frost-free at 32°F — no distinct frost season.
Plant City is effectively frost-free at 32°F — no distinct frost season.

The average first fall frost in Plant City is now 7 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

PLANT CITY · 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 Plant City’s own odds, recorded at PLANT CITY.

Frost-probability curves for Plant CityProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 30 and the first fall frost around January 6, 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°FMar 17Feb 16Jan 17Nov 27Dec 25Jan 22
32°FMar 2Jan 30Dec 31Dec 8Jan 6Feb 5
28°FFeb 10Jan 20Dec 29Dec 19Jan 11Feb 4

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

Nearby weather stations

3 within 31 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.

PLANT CITY
Primary
2 km · 34 m elevation
SPRING
Jan 30
FALL
Jan 6
LAKELAND 2
11 km · 42 m elevation
SPRING
Jan 26
FALL
Jan 9
BARTOW 1SE
31 km · 34 m elevation
SPRING
Jan 24
FALL
Jan 7

Plant City planting FAQ

When is the last spring frost in Plant City, FL?

On average, the last spring frost in Plant City is around January 30 (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 Plant City, FL?

The first fall frost in Plant City typically arrives around January 6 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Plant City in?

Plant City is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.

How long is the growing season in Plant City?

There are roughly -24 frost-free days in Plant City (a short growing season), running from the average last frost around January 30 to the first fall frost near January 6.

When should I plant tomatoes in Plant City?

In Plant City, start tomato seeds indoors around December 5–December 19, then transplant seedlings outdoors around February 6 once the danger of frost has passed.

Planting reminders

Never miss a window in Plant City

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

Nearby cities

8 within reach

Frost dates recorded at PLANT CITY, 2 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 Plant City, FL — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00087205. Retrieved from https://blissgarden.com/florida/plant-city.