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When to plant in Highland City, FL

USDA Zone 10a

Highland City, Florida frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

A ~-17-day frost-free window makes Highland City a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. Zone 10a is warm enough that Highland City can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · BARTOW 1SE · 9.7 km
Last spring frost
January 24
50% chance · 32°F
First fall frost
January 7
50% chance · 32°F
Growing season
-17 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Highland CityA year-band from January to December for Highland City: Highland City is effectively frost-free at 32°F — no distinct frost season.
Highland City is effectively frost-free at 32°F — no distinct frost season.

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

Frost probability

BARTOW 1SE · 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 Highland City’s own odds, recorded at BARTOW 1SE.

Frost-probability curves for Highland CityProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 24 and the first fall frost around January 7, 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 7Feb 6Jan 9Dec 2Dec 30Jan 28
32°FFeb 20Jan 24Dec 27Dec 17Jan 7Feb 6
28°FFeb 8Jan 19Dec 26Dec 25Jan 11Feb 6

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 Highland City, 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.

BARTOW 1SE
Primary
10 km · 34 m elevation
SPRING
Jan 24
FALL
Jan 7
LAKELAND 2
14 km · 42 m elevation
SPRING
Jan 26
FALL
Jan 9
WINTER HAVEN
15 km · 44 m elevation
SPRING
Jan 16
FALL
Jan 9

Highland City planting FAQ

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

Plan for the last spring frost in Highland City around January 24 (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 Highland City, FL?

Expect Highland City's first fall frost near January 7 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Highland City in?

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

How long is the growing season in Highland City?

There are roughly -17 frost-free days in Highland City (a short growing season), running from the average last frost around January 24 to the first fall frost near January 7.

When should I plant tomatoes in Highland City?

In Highland City, start tomato seeds indoors around November 29–December 13, then transplant seedlings outdoors around January 31 once the danger of frost has passed.

Planting reminders

Never miss a window in Highland City

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

Nearby cities

8 within reach

Frost dates recorded at BARTOW 1SE, 10 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 Highland City, FL — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00080478. Retrieved from https://blissgarden.com/florida/highland-city.