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When to plant in Hudson, FL

USDA Zone 9b

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

With only about -35 frost-free days, Hudson has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. Heads up: the nearest complete-normals station is about 21 km from Hudson, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. Zone 9b is warm enough that Hudson can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · WEEKI WACHEE · 20.8 km
Last spring frost
February 5
50% chance · 32°F
First fall frost
January 1
50% chance · 32°F
Growing season
-35 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for HudsonA year-band from January to December for Hudson: Hudson is effectively frost-free at 32°F — no distinct frost season.
Hudson is effectively frost-free at 32°F — no distinct frost season.

The average first fall frost in Hudson is now 15 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

WEEKI WACHEE · 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 Hudson’s own odds, recorded at WEEKI WACHEE.

Frost-probability curves for HudsonProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around February 5 and the first fall frost around January 1, 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 23Feb 23Jan 26Nov 11Dec 9Jan 13
32°FMar 5Feb 5Jan 6Dec 1Jan 1Feb 1
28°FFeb 18Jan 24Dec 27Dec 13Jan 9Feb 9

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

Nearby weather stations

3 within 26 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.

WEEKI WACHEE
Primary
21 km · 6 m elevation
SPRING
Feb 5
FALL
Jan 1
TARPON SPGS SEWAGE PLT
24 km · 2 m elevation
SPRING
Jan 20
FALL
Jan 9
BROOKSVILLE HERNANDO CO AP
26 km · 24 m elevation
SPRING
Mar 1
FALL
Dec 5

Hudson planting FAQ

When is the last spring frost in Hudson, FL?

Hudson's average last spring frost falls near February 5 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.

When is the first fall frost in Hudson, FL?

The first fall frost in Hudson typically arrives around January 1 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Hudson in?

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

How long is the growing season in Hudson?

There are roughly -35 frost-free days in Hudson (a short growing season), running from the average last frost around February 5 to the first fall frost near January 1.

When should I plant tomatoes in Hudson?

In Hudson, start tomato seeds indoors around December 11–December 25, then transplant seedlings outdoors around February 12 once the danger of frost has passed.

Planting reminders

Never miss a window in Hudson

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

Nearby cities

8 within reach

Frost dates recorded at WEEKI WACHEE, 21 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 Hudson, FL — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00089430. Retrieved from https://blissgarden.com/florida/hudson.