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When to plant in Palm Valley, FL

USDA Zone 9b

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

A ~-21-day frost-free window makes Palm Valley a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. In zone 9b, frost is a minor factor for Palm Valley — most perennials thrive, and annual vegetables can go out early and stay late.

Station · JACKSONVILLE BEACH · 9.7 km
Last spring frost
January 31
50% chance · 32°F
First fall frost
January 10
50% chance · 32°F
Growing season
-21 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Palm ValleyA year-band from January to December for Palm Valley: Palm Valley is effectively frost-free at 32°F — no distinct frost season.
Palm Valley is effectively frost-free at 32°F — no distinct frost season.

The average first fall frost in Palm Valley is now 12 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

JACKSONVILLE BEACH · 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 Palm Valley’s own odds, recorded at JACKSONVILLE BEACH.

Frost-probability curves for Palm ValleyProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around January 31 and the first fall frost around January 10, 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 10Feb 9Jan 10Dec 2Jan 1Jan 29
32°FMar 2Jan 31Jan 1Dec 16Jan 10Feb 14
28°FFeb 16Jan 24Dec 27Dec 22Jan 16Feb 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 Palm Valley, 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.

JACKSONVILLE BEACH
Primary
10 km · 3 m elevation
SPRING
Jan 31
FALL
Jan 10
JACKSONVILLE CRAIG MUNI AP
19 km · 13 m elevation
SPRING
Feb 9
FALL
Dec 31
MAYPORT PILOT STN
22 km · 5 m elevation
SPRING
Feb 1
FALL
Jan 5

Palm Valley planting FAQ

When is the last spring frost in Palm Valley, FL?

Palm Valley's average last spring frost falls near January 31 — 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 Palm Valley, FL?

In Palm Valley, the first 32°F freeze of fall lands around January 10 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Palm Valley in?

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

How long is the growing season in Palm Valley?

Palm Valley has about -21 frost-free days — a short growing season — between the average last spring frost (January 31) and first fall frost (January 10).

When should I plant tomatoes in Palm Valley?

For Palm Valley, sow tomatoes indoors about December 6–December 20 and move the seedlings out around February 7, after the last spring frost.

Planting reminders

Never miss a window in Palm Valley

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

Nearby cities

8 within reach

Frost dates recorded at JACKSONVILLE BEACH, 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 Palm Valley, FL — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00084366. Retrieved from https://blissgarden.com/florida/palm-valley.