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Jacksonville, Florida planting calendar and frost dates

Jacksonville is in USDA hardiness zone 9b. The last spring frost typically comes around February 1 and the first fall frost around January 5, giving about 330 frost-free days a year.

Hardiness zone
Zone 9b (parts in 9a)
Typical last frost
February 1
Typical first frost
January 5
Frost-free season
330 days

Frost dates in Jacksonville

Last spring frost

  • December 31Risky: frost later than this in 9 years out of 10
  • February 1Typical: a later frost in half of years
  • March 3Safe: a later frost only 1 year in 10

First fall frost

  • December 3Risky: frost earlier than this 1 year in 10
  • January 5Typical: an earlier frost in half of years
  • February 6Late: frost before this in 9 years out of 10

The growing season between the typical last and first frosts is about 330 days. Frost here means a low of 32°F at the weather station.

NOAA U.S. Climate Normals 1991-2020 for Jacksonville Nas, 6.9 miles S of the city center. Low-lying and rural spots often frost later in spring and earlier in fall than airports and city centers.

What to plant each month in Jacksonville

  1. January

    Start indoors: basil, cantaloupes, celery, cilantro, cucumbers, marigolds, nasturtiums, pumpkins, ranunculus, tomatoes, watermelons, winter squash, zucchini

    Plant or sow outdoors: asparagus, beets, black-eyed susans, blackberries, blueberries, broccoli, cabbages, carrots, cauliflower, chives, cilantro, collard greens, dahlias, dill, figs, garlic, gladioli, grapes, grass seed, green onions, hollyhocks, kale, kentucky bluegrass, leeks, lettuce, onions, parsley, peas, poppies, potatoes, radishes, ranunculus, raspberries, rhubarb, roses, snapdragons, spinach, strawberries, sweet peas, swiss chard, tall fescue, turnips, wildflowers

    Plant for fall: crocuses, daffodils, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips

  2. February

    Start indoors: cosmos, cucumbers, okra, pumpkins, winter squash, zucchini

    Plant or sow outdoors: asparagus, avocados, basil, beets, cantaloupes, carrots, chives, cilantro, cucumbers, dahlias, dill, eggplants, figs, garden mums, ginger, gladioli, grapes, green beans, green onions, lavenders, leeks, lettuce, lilies, marigolds, mints, nasturtiums, oregano, parsley, peppers, petunias, pumpkins, ranunculus, rosemary, roses, sage, snapdragons, spinach, sunflowers, sweet corn, swiss chard, thyme, tomatoes, watermelons, winter squash, zucchini

  3. March

    Start indoors: zinnias

    Plant or sow outdoors: avocados, bermudagrass, cantaloupes, celery, centipedegrass, cosmos, cucumbers, eggplants, garden mums, green beans, green onions, okra, peanuts, peppers, pumpkins, st. augustinegrass, sweet potatoes, tomatoes, watermelons, winter squash, zoysiagrass, zucchini

  4. April

    Plant or sow outdoors: bermudagrass, celery, centipedegrass, cosmos, okra, peanuts, st. augustinegrass, zinnias, zoysiagrass

  5. September

    Plant for fall: brussels sprouts, peppers, potatoes, sweet corn, tomatoes

  6. October

    Start indoors: onions

    Plant for fall: bearded irises, beets, broccoli, brussels sprouts, cabbages, carrots, cauliflower, collard greens, cucumbers, green beans, lettuce, peas, peppers, radishes, snapdragons, spinach, sweet corn, swiss chard, turnips, zucchini

  7. November

    Start indoors: broccoli, cabbages, cauliflower, collard greens, kale, leeks, onions, oregano, parsley, petunias, ranunculus, rosemary, snapdragons

    Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, coneflowers, crocuses, daffodils, daylilies, grass seed, hostas, hydrangeas, kale, kentucky bluegrass, lettuce, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, roses, saffron, snapdragons, spinach, swiss chard, tall fescue, tulips, turnips

  8. December

    Start indoors: basil, black-eyed susans, broccoli, cabbages, cauliflower, celery, chives, cilantro, collard greens, eggplants, ginger, leeks, lettuce, marigolds, nasturtiums, oregano, parsley, peppers, petunias, ranunculus, rosemary, sage, snapdragons, spinach, swiss chard, tomatoes

    Plant or sow outdoors: asparagus, black-eyed susans, blueberries, garlic, grapes, grass seed, green onions, hollyhocks, kale, kentucky bluegrass, onions, peas, poppies, raspberries, rhubarb, strawberries, sweet peas, tall fescue, turnips, wildflowers

    Plant for fall: cabbages, cauliflower, crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, kale, kentucky bluegrass, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, saffron, spinach, tall fescue, tulips

Frost dates and zones by ZIP code in Jacksonville

All 9 of Jacksonville's main ZIP codes take their frost dates from Jacksonville Nas, so the dates on this page apply across the city. The hardiness zone is 9a in 32219, 32220, 32221, 32234, and 9b in 32218, 32225, 32226, 32244, 32256.

ZIP codeZoneWeather stationTypical last frostTypical first frost
322189bJacksonville Nas, 6.9 mi SFeb 1Jan 5
322199aJacksonville Nas, 6.9 mi SFeb 1Jan 5
322209aJacksonville Nas, 6.9 mi SFeb 1Jan 5
322219aJacksonville Nas, 6.9 mi SFeb 1Jan 5
322259bJacksonville Nas, 6.9 mi SFeb 1Jan 5
322269bJacksonville Nas, 6.9 mi SFeb 1Jan 5
322349aJacksonville Nas, 6.9 mi SFeb 1Jan 5
322449bJacksonville Nas, 6.9 mi SFeb 1Jan 5
322569bJacksonville Nas, 6.9 mi SFeb 1Jan 5

Planting dates for popular crops in Jacksonville

PlantStart indoorsPlant or sow outdoorsFall planting
TomatoesDec 24 to Jan 7Feb 18 to Mar 4Sep 22 to 29
Strawberries—Dec 21 to Jan 4—
LettuceDec 7 to 21Jan 25 to Feb 8Oct 6 to Nov 10
CilantroDec 21 to Jan 4Feb 1 to 8—
BasilDec 31 to Jan 14Feb 18 to 25—
Potatoes—Jan 11 to 18Sep 15 to 22
Garlic—Dec 21 to Jan 4Jan 5 to 19
OnionsOct 12 to Nov 23Jan 4 to 18—
CucumbersJan 21 to Feb 4Feb 18 to Mar 4Oct 6 to 20
PumpkinsJan 21 to Feb 4Feb 18 to Mar 4—
PeppersDec 3 to 31Feb 18 to Mar 4Sep 15 to Oct 13
Carrots—Jan 11 to Feb 1Oct 13 to Nov 3
Sweet Potatoes—Mar 19 to 26—
WatermelonsJan 14 to 28Feb 18 to Mar 4—
Sweet Corn—Feb 1 to 15Sep 29 to Oct 13
Green Beans—Feb 18 to Mar 4Oct 13 to 20
ZucchiniJan 21 to Feb 4Feb 18 to Mar 4Oct 13 to 27
BroccoliNov 16 to Dec 7Jan 4 to 18Oct 20 to Nov 17
Peas—Dec 21 to Jan 4Oct 13 to 27
SpinachDec 21 to 28Jan 25 to Feb 8Oct 27 to Dec 1
Sunflowers—Feb 1 to 22—
ZinniasMar 16 to 23Apr 13 to 27—
Tulips——Nov 24 to Jan 19
Daffodils——Nov 24 to Jan 5
Grass Seed—Dec 21 to Jan 4Nov 24 to Dec 8

Nearby cities

Planting in FloridaAbout zone 9bPrintable calendar for Jacksonville

Questions

When is the last frost in Jacksonville?

Around February 1 in a typical year, based on NOAA's 1991-2020 records for Jacksonville Nas. There is still a 1 in 10 chance of frost after March 3.

What planting zone is Jacksonville in?

USDA hardiness zone 9b (2023 map), with parts of the city in zone 9a. The zone tells you which perennials survive the winter; planting dates depend on frost dates instead.

When should I plant tomatoes in Jacksonville?

Start seeds indoors December 24 to January 7 and set plants out February 18 to March 4; the safest date to plant out is after March 3.

When is the first frost in Jacksonville?

Around January 5 in a typical year, and before December 3 about 1 year in 10.