Frost Dates for Jacksonville, FL 32221
Jacksonville has 33 ZIP codes. The Jacksonville, FL frost page lists all of them with their dates.
Last spring frost February 26 · First fall frost December 3 · 280 frost-free days · USDA Zone 9a
ZIP 32221 has about 32,800 people, one of 33 ZIP codes in Jacksonville.
Very long season: 280 frost-free days. Spring frost risk spans February 4–March 21 (45 days). Fall frost risk spans November 12–December 15 (33 days).
Frost probability for 32221
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 21 | February 26 | February 4 |
| Fall (first frost) | November 12 | December 3 | December 15 |
Dates come from NOAA 1971–2000 freeze probabilities at JACKSONVILLE INTL AP (31.0 km away); the 50% date is the median year.
Which crops fit a 280-day season in Jacksonville
In Jacksonville (280 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Jan 22 | Mar 12–Mar 19 | 238 | fits: 80 days to maturity, 238 available after Mar 12. | Aug 3 |
| Pepper | Jan 15 | Mar 12–Mar 19 | 238 | fits: 75 days to maturity, 238 available after Mar 12. | Aug 8 |
| Lettuce | Jan 1 | Jan 29–Feb 5 | 315 | two-plantings: Plant Jan 29 and again by Oct 12; both mature before Dec 10. | Oct 12 |
| Carrots | — | Feb 5–Feb 12 | 322 | fits: 70 days to maturity, 322 available after Feb 5. | Oct 1 |
| Cucumber | Feb 5 | Mar 12–Mar 19 | 252 | two-plantings: Plant Mar 12 and again by Sep 6; both mature before Nov 19. | Sep 6 |
| Beans | — | Mar 5–Mar 19 | 266 | two-plantings: Plant Mar 5 and again by Sep 13; both mature before Nov 26. | Sep 13 |
| Peas | — | Jan 1–Mar 12 | 343 | fits: 65 days to maturity, 343 available after Jan 1. | Sep 22 |
| Zucchini | Feb 12 | Mar 12–Mar 19 | 252 | two-plantings: Plant Mar 12 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Onion | Dec 4 | Jan 29–Feb 12 | 315 | fits: 100 days to maturity, 315 available after Jan 29. | — |
| Spinach | — | Jan 1–Feb 19 | 357 | two-plantings: Plant Jan 1 and again by Oct 31; both mature before Dec 24. | Oct 31 |
| Kale | Dec 18 | Jan 29–Feb 12 | 329 | two-plantings: Plant Jan 29 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Broccoli | Jan 1 | Jan 29–Feb 12 | 315 | fits: 80 days to maturity, 315 available after Jan 29. | Sep 7 |
| Cabbage | Jan 1 | Jan 29–Feb 12 | 329 | fits: 70 days to maturity, 329 available after Jan 29. | Oct 1 |
| Radish | — | Jan 1–Mar 26 | 343 | two-plantings: Plant Jan 1 and again by Nov 1; both mature before Dec 10. | Nov 1 |
| Beets | — | Jan 1–Mar 26 | 343 | two-plantings: Plant Jan 1 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Potatoes | — | Feb 12–Feb 19 | 301 | fits: 90 days to maturity, 301 available after Feb 12. | — |
| Garlic | — | Dec 3 | 385 | overwinter: Plant Dec 3 to Dec 24; harvest the following summer. | Dec 24 |
| Strawberry | — | Jan 22–Mar 19 | 336 | perennial: A perennial: plant Jan 22; it fruits from the following year and keeps producing for several years. | — |
| Corn | Jan 29 | Mar 5–Mar 12 | 252 | fits: 75 days to maturity, 252 available after Mar 5. | Aug 15 |
| Pumpkin | Feb 12 | Mar 12–Mar 12 | 245 | fits: 100 days to maturity, 245 available after Mar 12. | Jul 21 |
| Cauliflower | Jan 15 | Feb 19–Mar 5 | 294 | fits: 75 days to maturity, 294 available after Feb 19. | Sep 12 |
| Swiss Chard | Jan 1 | Feb 12–Feb 12 | 301 | two-plantings: Plant Feb 12 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Arugula | — | Jan 1–Mar 26 | 357 | two-plantings: Plant Jan 1 and again by Oct 31; both mature before Dec 24. | Oct 31 |
| Brussel Sprouts | Jan 1 | Jan 29–Feb 12 | 329 | fits: 100 days to maturity, 329 available after Jan 29. | Sep 1 |
| Butternut Squash | Feb 12 | Mar 12–Mar 19 | 245 | fits: 100 days to maturity, 245 available after Mar 12. | Jul 21 |
| Eggplant | Jan 8 | Mar 12–Mar 19 | 238 | fits: 70 days to maturity, 238 available after Mar 12. | Aug 13 |
| Okra | Jan 29 | Mar 5–Mar 12 | 259 | two-plantings: Plant Mar 5 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Basil | Jan 22 | Mar 19–Mar 19 | 245 | two-plantings: Plant Mar 19 and again by Sep 6; both mature before Nov 19. | Sep 6 |
| Cilantro | — | Jan 29–Feb 19 | 315 | two-plantings: Plant Jan 29 and again by Oct 7; both mature before Dec 10. | Oct 7 |
| Parsley | Dec 18 | Mar 5–Mar 12 | 280 | fits: 70 days to maturity, 280 available after Mar 5. | Sep 17 |
| Celery | Dec 18 | Mar 5–Mar 19 | 280 | fits: 120 days to maturity, 280 available after Mar 5. | Jul 29 |
| Scallions | Dec 18 | Jan 29–Feb 12 | 329 | two-plantings: Plant Jan 29 and again by Oct 11; both mature before Dec 24. | Oct 11 |
| Turnip | — | Jan 29–Feb 12 | 329 | two-plantings: Plant Jan 29 and again by Oct 21; both mature before Dec 24. | Oct 21 |
| Kohlrabi | — | Jan 15–Jan 29 | 343 | two-plantings: Plant Jan 15 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Bok Choy | Jan 29 | Feb 19–Feb 26 | 294 | two-plantings: Plant Feb 19 and again by Oct 12; both mature before Dec 10. | Oct 12 |
| Collards | Dec 18 | Jan 29–Feb 12 | 329 | two-plantings: Plant Jan 29 and again by Oct 11; both mature before Dec 24. | Oct 11 |
| Cantaloupe | Feb 12 | Mar 12–Mar 19 | 238 | fits: 85 days to maturity, 238 available after Mar 12. | Jul 29 |
| Chives | Dec 4 | Mar 5–Mar 12 | 294 | fits: 90 days to maturity, 294 available after Mar 5. | — |
| Dill | — | Jan 1–Mar 26 | 343 | two-plantings: Plant Jan 1 and again by Oct 2; both mature before Dec 10. | Oct 2 |
| Oregano | Dec 18 | Mar 5–Mar 12 | 294 | fits: 80 days to maturity, 294 available after Mar 5. | — |
| Rosemary | Dec 4 | Mar 5–Mar 12 | 280 | fits: 80 days to maturity, 280 available after Mar 5. | — |
| Sage | Jan 1 | Mar 5–Mar 12 | 294 | fits: 75 days to maturity, 294 available after Mar 5. | — |
| Thyme | Dec 18 | Mar 5–Mar 12 | 294 | fits: 90 days to maturity, 294 available after Mar 5. | — |
| Calendula | Jan 15 | Feb 12–Feb 26 | 301 | two-plantings: Plant Feb 12 and again by Oct 7; both mature before Dec 10. | Oct 7 |
| Cosmos | Jan 29 | Feb 26–Mar 12 | 266 | two-plantings: Plant Feb 26 and again by Sep 6; both mature before Nov 19. | Sep 6 |
| Lavender | Dec 4 | Feb 26–Mar 12 | 301 | fits: 90 days to maturity, 301 available after Feb 26. | — |
| Marigolds | Jan 15 | Feb 26–Mar 5 | 266 | two-plantings: Plant Feb 26 and again by Sep 16; both mature before Nov 19. | Sep 16 |
| Melons | Feb 12 | Mar 12–Mar 19 | 238 | fits: 85 days to maturity, 238 available after Mar 12. | Jul 29 |
| Mint | — | Feb 26–Mar 12 | 301 | fits: 90 days to maturity, 301 available after Feb 26. | — |
| Nasturtiums | Jan 29 | Feb 26–Mar 5 | 266 | two-plantings: Plant Feb 26 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Pole Beans | — | Mar 5–Mar 19 | 259 | fits: 65 days to maturity, 259 available after Mar 5. | Sep 1 |
| Spaghetti Squash | Feb 12 | Mar 12–Mar 19 | 245 | fits: 90 days to maturity, 245 available after Mar 12. | Jul 31 |
| Sunflowers | — | Feb 26–Mar 12 | 266 | fits: 70 days to maturity, 266 available after Feb 26. | Aug 27 |
| Tomatillos | Jan 1 | Mar 5–Mar 12 | 245 | fits: 75 days to maturity, 245 available after Mar 5. | Aug 8 |
| Watermelon | Feb 12 | Mar 5–Mar 12 | 245 | fits: 80 days to maturity, 245 available after Mar 5. | Aug 3 |
| Yellow Squash | Feb 12 | Mar 12–Mar 19 | 252 | two-plantings: Plant Mar 12 and again by Sep 11; both mature before Nov 19. | Sep 11 |
| Zinnias | Jan 29 | Feb 26–Mar 12 | 266 | two-plantings: Plant Feb 26 and again by Sep 6; both mature before Nov 19. | Sep 6 |
Month by month in Jacksonville
| Month | What to do |
|---|---|
| January | Start indoors: Broccoli (Jan 1), Brussel Sprouts (Jan 1), Cabbage (Jan 1), Lettuce (Jan 1), Sage (Jan 1), Swiss Chard (Jan 1), +14 more. Direct sow from: Arugula (Jan 1), Beets (Jan 1), Dill (Jan 1), Peas (Jan 1), Radish (Jan 1), Spinach (Jan 1), +3 more. Transplant from: Broccoli (Jan 29), Brussel Sprouts (Jan 29), Cabbage (Jan 29), Collards (Jan 29), Kale (Jan 29), Lettuce (Jan 29), +2 more. Plant: Strawberry (Jan 22). |
| February | Start indoors: Cucumber (Feb 5), Butternut Squash (Feb 12), Cantaloupe (Feb 12), Melons (Feb 12), Pumpkin (Feb 12), Spaghetti Squash (Feb 12), +3 more. Direct sow from: Carrots (Feb 5), Potatoes (Feb 12), Sunflowers (Feb 26). Transplant from: Calendula (Feb 12), Swiss Chard (Feb 12), Bok Choy (Feb 19), Cauliflower (Feb 19), Cosmos (Feb 26), Lavender (Feb 26), +4 more. Last frost around February 26. |
| March | Direct sow from: Beans (Mar 5), Pole Beans (Mar 5). Transplant from: Celery (Mar 5), Chives (Mar 5), Corn (Mar 5), Okra (Mar 5), Oregano (Mar 5), Parsley (Mar 5), +17 more. |
| April | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| May | Harvest regularly to encourage production. Monitor for pests and disease. |
| June | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| July | Last sowing dates: Butternut Squash (Jul 21), Pumpkin (Jul 21), Cantaloupe (Jul 29), Celery (Jul 29), Melons (Jul 29), Spaghetti Squash (Jul 31). |
| August | Last sowing dates: Tomato (Aug 3), Watermelon (Aug 3), Pepper (Aug 8), Tomatillos (Aug 8), Eggplant (Aug 13), Corn (Aug 15), +1 more. |
| September | Last sowing dates: Brussel Sprouts (Sep 1), Pole Beans (Sep 1), Basil (Sep 6), Cosmos (Sep 6), Cucumber (Sep 6), Zinnias (Sep 6), +10 more. |
| October | Last sowing dates: Cabbage (Oct 1), Carrots (Oct 1), Beets (Oct 2), Dill (Oct 2), Swiss Chard (Oct 2), Calendula (Oct 7), +10 more. |
| November | Last sowing dates: Radish (Nov 1). |
| December | Start indoors: Chives (Dec 4), Lavender (Dec 4), Onion (Dec 4), Rosemary (Dec 4), Celery (Dec 18), Collards (Dec 18), +5 more. Direct sow from: Garlic (Dec 3). First frost around December 3. Last sowing dates: Garlic (Dec 24). |
Frequently Asked Questions
What is the last frost date for Jacksonville, FL (ZIP 32221)?
The median last spring frost date for Jacksonville, FL (ZIP code 32221) is around February 26. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before February 4; one in ten it runs past March 21.
What is the first fall frost date in Jacksonville, FL?
The median first fall frost date for Jacksonville, FL is around December 3. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around November 12 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Jacksonville, FL?
The frost-free growing season in Jacksonville is about 280 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Jacksonville (280 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Jacksonville, FL?
Jacksonville, FL is in USDA hardiness zone 9a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Jacksonville, FL?
Start tomatoes indoors Jan 22 and plant out Mar 12 in Jacksonville. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Jacksonville?
Two: plant Jan 29 and again by Oct 12; both mature before Dec 10.
When do I plant garlic in Jacksonville?
Dec 3 to Dec 24; it overwinters and is ready the following summer.
Can I get two tomato crops in Jacksonville?
Yes: plant out Mar 12 for a summer crop, and set out a second round of transplants by Aug 3 for a fall crop.
Which nearby ZIP has a longer season?
Jacksonville (ZIP 32254) has 315 frost-free days, 35 more than Jacksonville (ZIP 32221). See Jacksonville ZIP 32254 frost dates
Nearby and related
- Frost dates for Orange Park, FL 32065 (7.8 mi)
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- When to plant in Jacksonville, FL: month-by-month guide
- When to plant in FL
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- When to plant Cucumbers in FL
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- Look up another ZIP