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When to plant in Alachua, FL

USDA Zone 9a

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

With about 275 frost-free days, Alachua supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. In zone 9a, frost is a minor factor for Alachua — most perennials thrive, and annual vegetables can go out early and stay late.

Station · GAINESVILLE 11 WNW · 10.9 km
Last spring frost
March 4
50% chance · 32°F
First fall frost
December 4
50% chance · 32°F
Growing season
275 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for AlachuaA year-band showing 32°F frost risk from January to December for Alachua: last spring frost around March 4, first fall frost around December 4, about 275 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

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

Frost probability

GAINESVILLE 11 WNW · 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 Alachua’s own odds, recorded at GAINESVILLE 11 WNW.

Frost-probability curves for AlachuaProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 4 and the first fall frost around December 4, giving about 275 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 7Mar 20Feb 23Nov 1Nov 20Dec 12
32°FMar 26Mar 4Feb 3Nov 10Dec 4Jan 6
28°FMar 15Feb 16Jan 11Nov 24Dec 24Feb 1

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

What to plant now

TODAY · JULY 19
Fall sowin 26 days
Brussels Sprouts
August 14August 28

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

Nearby weather stations

3 within 22 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.

GAINESVILLE 11 WNW
Primary
11 km · 29 m elevation
SPRING
Mar 4
FALL
Dec 4
HIGH SPRINGS
12 km · 20 m elevation
SPRING
Mar 13
FALL
Nov 22
GAINESVILLE RGNL AP
22 km · 38 m elevation
SPRING
Mar 3
FALL
Dec 2

Alachua planting FAQ

When is the last spring frost in Alachua, FL?

On average, the last spring frost in Alachua is around March 4 (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 Alachua, FL?

In Alachua, the first 32°F freeze of fall lands around December 4 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Alachua in?

Alachua is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Alachua?

Alachua has about 275 frost-free days — a long growing season — between the average last spring frost (March 4) and first fall frost (December 4).

When should I plant tomatoes in Alachua?

For Alachua, sow tomatoes indoors about January 7–January 21 and move the seedlings out around March 11, after the last spring frost.

Planting reminders

Never miss a window in Alachua

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

Nearby cities

8 within reach

Frost dates recorded at GAINESVILLE 11 WNW, 11 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 Alachua, FL — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00083322. Retrieved from https://blissgarden.com/florida/alachua.