When Is the Last Frost?

Frost dates for 32092 — Saint Augustine, FL

Last spring frostFeb 14median date
First fall frostDec 30median date
Growing season319 daysfrost-free
Hardiness zone9bZone 9b

Frost is light and occasional here — typically a few cold nights around midwinter (about 10 a year). Cover tender plants when frost is forecast.

How Saint Augustine compares

Frost probability

Last spring frost
Chance of frost afterDate
90% (early)January 11
50% (median)February 14
10% (safe for tender plants)March 17
First fall frost
Chance of frost beforeDate
10% (early)November 28
50% (median)December 30
90% (late)January 26

Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.

Planting calendar for Saint Augustine, FL

Frost dates for 32092 — Saint Augustine, FL — last frost Feb 14, first frost Dec 30, zone 9b. whenisthelastfrost.com

In mild climates, summer heat limits many crops as much as frost does. Use this calendar for spring planting and lean on fall and winter for cool-season crops.

Crop
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Start indoors: Nov 22 to Dec 6Transplant outside: Jan 17 to Jan 31
Start indoors: Dec 6 to Dec 20Transplant outside: Feb 28 to Mar 14
Start indoors: Dec 6 to Dec 20Transplant outside: Feb 28 to Mar 14
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Feb 21 to Mar 7
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 24 to Feb 7Sow outdoors: Jan 17 to Feb 21Plant for fall: Nov 4 to Dec 2
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 17 to Jan 31Sow outdoors: Jan 17 to Jan 31Plant for fall: Oct 21 to Nov 11
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 31 to Feb 14Plant for fall: Sep 23 to Oct 14
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 24 to Feb 7Plant for fall: Sep 23 to Oct 14
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 31 to Feb 14Plant for fall: Sep 23 to Oct 14
Start indoors: Jan 3 to Jan 17Transplant outside: Mar 7 to Mar 21Sow outdoors: Mar 7 to Mar 21
Start indoors: Jan 3 to Jan 17Transplant outside: Feb 21 to Mar 7
Sow outdoors: Jan 3 to Jan 24Plant for fall: Oct 7 to Oct 28
Sow outdoors: Jan 3 to Jan 24Plant for fall: Nov 4 to Nov 25
Sow outdoors: Jan 10 to Feb 21Plant for fall: Nov 18 to Dec 9
Start indoors: Jan 17 to Jan 24Transplant outside: Feb 28 to Mar 7Sow outdoors: Feb 21 to Mar 7Plant for fall: Oct 14 to Oct 28
Start indoors: Jan 17 to Jan 24Sow outdoors: Feb 21 to Mar 7Plant for fall: Oct 21 to Nov 4
Start indoors: Jan 17 to Jan 24Sow outdoors: Feb 21 to Mar 7
Start indoors: Jan 17 to Jan 24Transplant outside: Feb 28 to Mar 14
Sow outdoors: Jan 24 to Feb 21Plant for fall: Oct 7 to Oct 21
Sow outdoors: Jan 24 to Feb 21Plant for fall: Oct 21 to Nov 4
Sow outdoors: Jan 24 to Feb 14
Sow outdoors: Jan 31 to Feb 28Plant for fall: Oct 21 to Nov 4
Sow outdoors: Jan 31 to Feb 21Plant for fall: Nov 4 to Nov 25
Sow outdoors: Feb 21 to Mar 14Plant for fall: Oct 14 to Oct 28
Sow outdoors: Feb 21 to Mar 7
Transplant outside: Feb 28 to Mar 21
Plant for fall: Dec 16 to Jan 20Plant for fall: Dec 16 to Jan 20
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates

When to plant vegetables in Saint Augustine, FL

CropStart indoorsTransplantSow outdoorsFall crop
OnionsNov 22 – Dec 6Jan 17 – Jan 31——
PeppersDec 6 – Dec 20Feb 28 – Mar 14——
EggplantDec 6 – Dec 20Feb 28 – Mar 14——
TomatoesDec 20 – Jan 3Feb 21 – Mar 7——
LettuceDec 20 – Jan 3Jan 24 – Feb 7Jan 17 – Feb 21Nov 4 – Dec 2
KaleDec 20 – Jan 3Jan 17 – Jan 31Jan 17 – Jan 31Oct 21 – Nov 11
BroccoliDec 20 – Jan 3Jan 31 – Feb 14—Sep 23 – Oct 14
CabbageDec 20 – Jan 3Jan 24 – Feb 7—Sep 23 – Oct 14
CauliflowerDec 20 – Jan 3Jan 31 – Feb 14—Sep 23 – Oct 14
OkraJan 3 – Jan 17Mar 7 – Mar 21Mar 7 – Mar 21—
BasilJan 3 – Jan 17Feb 21 – Mar 7——
Peas——Jan 3 – Jan 24Oct 7 – Oct 28
Spinach——Jan 3 – Jan 24Nov 4 – Nov 25
Radishes——Jan 10 – Feb 21Nov 18 – Dec 9
CucumbersJan 17 – Jan 24Feb 28 – Mar 7Feb 21 – Mar 7Oct 14 – Oct 28
Zucchini & Summer SquashJan 17 – Jan 24—Feb 21 – Mar 7Oct 21 – Nov 4
Winter Squash & PumpkinsJan 17 – Jan 24—Feb 21 – Mar 7—
Melons & WatermelonJan 17 – Jan 24Feb 28 – Mar 14——
Carrots——Jan 24 – Feb 21Oct 7 – Oct 21
Beets——Jan 24 – Feb 21Oct 21 – Nov 4
Potatoes——Jan 24 – Feb 14—
Swiss Chard——Jan 31 – Feb 28Oct 21 – Nov 4
Cilantro——Jan 31 – Feb 21Nov 4 – Nov 25
Green Beans——Feb 21 – Mar 14Oct 14 – Oct 28
Sweet Corn——Feb 21 – Mar 7—
Sweet Potatoes—Feb 28 – Mar 21——
Garlic———Dec 16 – Jan 20

Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.

About these dates

Based on 1991–2020 NOAA climate normals for the Hastings 4ne, FL weather station, 21 km away (elevation 10 ft (3 m)).

ZIP codes in Saint Augustine: 32080 32084 32085 32086 32092 32095

Frost dates near Saint Augustine

Frequently asked questions

When is the last frost in Saint Augustine, FL?

The median last spring frost in Saint Augustine, FL is February 14. There is still about a 10% chance of frost after March 17, so wait until then to plant frost-tender crops like tomatoes and peppers.

When is the first frost in Saint Augustine, FL?

The median first fall frost is December 30, with about a 10% chance of frost before November 28.

How long is the growing season in Saint Augustine, FL?

About 319 days between the median last spring frost and first fall frost.

What planting zone is Saint Augustine, FL?

Saint Augustine, FL is in USDA hardiness zone 9b.

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