Frost Dates for Macclenny, FL 32063
Last spring frost March 6 · First fall frost November 25 · 264 frost-free days · USDA Zone 9a
ZIP 32063 has about 14,600 people.
Very long season: 264 frost-free days. Spring frost risk spans February 12–March 26 (42 days). Fall frost risk spans November 4–December 16 (42 days).
Frost probability for 32063
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 26 | March 6 | February 12 |
| Fall (first frost) | November 4 | November 25 | December 16 |
Dates come from NOAA 1971–2000 freeze probabilities at GLEN ST MARY 1 W (6.3 km away); the 50% date is the median year.
Which crops fit a 264-day season in Macclenny
In Macclenny (264 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 30 | Mar 20–Mar 27 | 222 | fits: 80 days to maturity, 222 available after Mar 20. | Jul 26 |
| Pepper | Jan 23 | Mar 20–Mar 27 | 222 | fits: 75 days to maturity, 222 available after Mar 20. | Jul 31 |
| Lettuce | Jan 9 | Feb 6–Feb 13 | 299 | two-plantings: Plant Feb 6 and again by Oct 4; both mature before Dec 2. | Oct 4 |
| Carrots | — | Feb 13–Feb 20 | 306 | fits: 70 days to maturity, 306 available after Feb 13. | Sep 23 |
| Cucumber | Feb 13 | Mar 20–Mar 27 | 236 | two-plantings: Plant Mar 20 and again by Aug 29; both mature before Nov 11. | Aug 29 |
| Beans | — | Mar 13–Mar 27 | 250 | two-plantings: Plant Mar 13 and again by Sep 5; both mature before Nov 18. | Sep 5 |
| Peas | — | Jan 9–Mar 20 | 327 | fits: 65 days to maturity, 327 available after Jan 9. | Sep 14 |
| Zucchini | Feb 20 | Mar 20–Mar 27 | 236 | two-plantings: Plant Mar 20 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Onion | Dec 12 | Feb 6–Feb 20 | 299 | fits: 100 days to maturity, 299 available after Feb 6. | — |
| Spinach | — | Jan 9–Feb 27 | 341 | two-plantings: Plant Jan 9 and again by Oct 23; both mature before Dec 16. | Oct 23 |
| Kale | Dec 26 | Feb 6–Feb 20 | 313 | two-plantings: Plant Feb 6 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Broccoli | Jan 9 | Feb 6–Feb 20 | 299 | fits: 80 days to maturity, 299 available after Feb 6. | Aug 30 |
| Cabbage | Jan 9 | Feb 6–Feb 20 | 313 | fits: 70 days to maturity, 313 available after Feb 6. | Sep 23 |
| Radish | — | Jan 9–Apr 3 | 327 | two-plantings: Plant Jan 9 and again by Oct 24; both mature before Dec 2. | Oct 24 |
| Beets | — | Jan 9–Apr 3 | 327 | two-plantings: Plant Jan 9 and again by Sep 24; both mature before Dec 2. | Sep 24 |
| Potatoes | — | Feb 20–Feb 27 | 285 | fits: 90 days to maturity, 285 available after Feb 20. | — |
| Garlic | — | Nov 25 | 369 | overwinter: Plant Nov 25 to Dec 16; harvest the following summer. | Dec 16 |
| Strawberry | — | Jan 30–Mar 27 | 320 | perennial: A perennial: plant Jan 30; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 6 | Mar 13–Mar 20 | 236 | fits: 75 days to maturity, 236 available after Mar 13. | Aug 7 |
| Pumpkin | Feb 20 | Mar 20–Mar 20 | 229 | fits: 100 days to maturity, 229 available after Mar 20. | Jul 13 |
| Cauliflower | Jan 23 | Feb 27–Mar 13 | 278 | fits: 75 days to maturity, 278 available after Feb 27. | Sep 4 |
| Swiss Chard | Jan 9 | Feb 20–Feb 20 | 285 | two-plantings: Plant Feb 20 and again by Sep 24; both mature before Dec 2. | Sep 24 |
| Arugula | — | Jan 9–Apr 3 | 341 | two-plantings: Plant Jan 9 and again by Oct 23; both mature before Dec 16. | Oct 23 |
| Brussel Sprouts | Jan 9 | Feb 6–Feb 20 | 313 | fits: 100 days to maturity, 313 available after Feb 6. | Aug 24 |
| Butternut Squash | Feb 20 | Mar 20–Mar 27 | 229 | fits: 100 days to maturity, 229 available after Mar 20. | Jul 13 |
| Eggplant | Jan 16 | Mar 20–Mar 27 | 222 | fits: 70 days to maturity, 222 available after Mar 20. | Aug 5 |
| Okra | Feb 6 | Mar 13–Mar 20 | 243 | two-plantings: Plant Mar 13 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Basil | Jan 30 | Mar 27–Mar 27 | 229 | two-plantings: Plant Mar 27 and again by Aug 29; both mature before Nov 11. | Aug 29 |
| Cilantro | — | Feb 6–Feb 27 | 299 | two-plantings: Plant Feb 6 and again by Sep 29; both mature before Dec 2. | Sep 29 |
| Parsley | Dec 26 | Mar 13–Mar 20 | 264 | fits: 70 days to maturity, 264 available after Mar 13. | Sep 9 |
| Celery | Dec 26 | Mar 13–Mar 27 | 264 | fits: 120 days to maturity, 264 available after Mar 13. | Jul 21 |
| Scallions | Dec 26 | Feb 6–Feb 20 | 313 | two-plantings: Plant Feb 6 and again by Oct 3; both mature before Dec 16. | Oct 3 |
| Turnip | — | Feb 6–Feb 20 | 313 | two-plantings: Plant Feb 6 and again by Oct 13; both mature before Dec 16. | Oct 13 |
| Kohlrabi | — | Jan 23–Feb 6 | 327 | two-plantings: Plant Jan 23 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Bok Choy | Feb 6 | Feb 27–Mar 6 | 278 | two-plantings: Plant Feb 27 and again by Oct 4; both mature before Dec 2. | Oct 4 |
| Collards | Dec 26 | Feb 6–Feb 20 | 313 | two-plantings: Plant Feb 6 and again by Oct 3; both mature before Dec 16. | Oct 3 |
| Cantaloupe | Feb 20 | Mar 20–Mar 27 | 222 | fits: 85 days to maturity, 222 available after Mar 20. | Jul 21 |
| Chives | Dec 12 | Mar 13–Mar 20 | 278 | fits: 90 days to maturity, 278 available after Mar 13. | — |
| Dill | — | Jan 9–Apr 3 | 327 | two-plantings: Plant Jan 9 and again by Sep 24; both mature before Dec 2. | Sep 24 |
| Oregano | Dec 26 | Mar 13–Mar 20 | 278 | fits: 80 days to maturity, 278 available after Mar 13. | — |
| Rosemary | Dec 12 | Mar 13–Mar 20 | 264 | fits: 80 days to maturity, 264 available after Mar 13. | — |
| Sage | Jan 9 | Mar 13–Mar 20 | 278 | fits: 75 days to maturity, 278 available after Mar 13. | — |
| Thyme | Dec 26 | Mar 13–Mar 20 | 278 | fits: 90 days to maturity, 278 available after Mar 13. | — |
| Calendula | Jan 23 | Feb 20–Mar 6 | 285 | two-plantings: Plant Feb 20 and again by Sep 29; both mature before Dec 2. | Sep 29 |
| Cosmos | Feb 6 | Mar 6–Mar 20 | 250 | two-plantings: Plant Mar 6 and again by Aug 29; both mature before Nov 11. | Aug 29 |
| Lavender | Dec 12 | Mar 6–Mar 20 | 285 | fits: 90 days to maturity, 285 available after Mar 6. | — |
| Marigolds | Jan 23 | Mar 6–Mar 13 | 250 | two-plantings: Plant Mar 6 and again by Sep 8; both mature before Nov 11. | Sep 8 |
| Melons | Feb 20 | Mar 20–Mar 27 | 222 | fits: 85 days to maturity, 222 available after Mar 20. | Jul 21 |
| Mint | — | Mar 6–Mar 20 | 285 | fits: 90 days to maturity, 285 available after Mar 6. | — |
| Nasturtiums | Feb 6 | Mar 6–Mar 13 | 250 | two-plantings: Plant Mar 6 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Pole Beans | — | Mar 13–Mar 27 | 243 | fits: 65 days to maturity, 243 available after Mar 13. | Aug 24 |
| Spaghetti Squash | Feb 20 | Mar 20–Mar 27 | 229 | fits: 90 days to maturity, 229 available after Mar 20. | Jul 23 |
| Sunflowers | — | Mar 6–Mar 20 | 250 | fits: 70 days to maturity, 250 available after Mar 6. | Aug 19 |
| Tomatillos | Jan 9 | Mar 13–Mar 20 | 229 | fits: 75 days to maturity, 229 available after Mar 13. | Jul 31 |
| Watermelon | Feb 20 | Mar 13–Mar 20 | 229 | fits: 80 days to maturity, 229 available after Mar 13. | Jul 26 |
| Yellow Squash | Feb 20 | Mar 20–Mar 27 | 236 | two-plantings: Plant Mar 20 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Zinnias | Feb 6 | Mar 6–Mar 20 | 250 | two-plantings: Plant Mar 6 and again by Aug 29; both mature before Nov 11. | Aug 29 |
Month by month in Macclenny
| Month | What to do |
|---|---|
| January | Start indoors: Broccoli (Jan 9), Brussel Sprouts (Jan 9), Cabbage (Jan 9), Lettuce (Jan 9), Sage (Jan 9), Swiss Chard (Jan 9), +8 more. Direct sow from: Arugula (Jan 9), Beets (Jan 9), Dill (Jan 9), Peas (Jan 9), Radish (Jan 9), Spinach (Jan 9), +1 more. Plant: Strawberry (Jan 30). |
| February | Start indoors: Bok Choy (Feb 6), Corn (Feb 6), Cosmos (Feb 6), Nasturtiums (Feb 6), Okra (Feb 6), Zinnias (Feb 6), +9 more. Direct sow from: Cilantro (Feb 6), Turnip (Feb 6), Carrots (Feb 13), Potatoes (Feb 20). Transplant from: Broccoli (Feb 6), Brussel Sprouts (Feb 6), Cabbage (Feb 6), Collards (Feb 6), Kale (Feb 6), Lettuce (Feb 6), +6 more. |
| March | Direct sow from: Sunflowers (Mar 6), Beans (Mar 13), Pole Beans (Mar 13). Transplant from: Cosmos (Mar 6), Lavender (Mar 6), Marigolds (Mar 6), Mint (Mar 6), Nasturtiums (Mar 6), Zinnias (Mar 6), +23 more. Last frost around March 6. |
| April | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Harvest regularly to encourage production. Monitor for pests and disease. |
| July | Last sowing dates: Butternut Squash (Jul 13), Pumpkin (Jul 13), Cantaloupe (Jul 21), Celery (Jul 21), Melons (Jul 21), Spaghetti Squash (Jul 23), +4 more. |
| August | Last sowing dates: Eggplant (Aug 5), Corn (Aug 7), Sunflowers (Aug 19), Brussel Sprouts (Aug 24), Pole Beans (Aug 24), Basil (Aug 29), +4 more. |
| September | Last sowing dates: Nasturtiums (Sep 3), Okra (Sep 3), Yellow Squash (Sep 3), Zucchini (Sep 3), Cauliflower (Sep 4), Beans (Sep 5), +10 more. |
| October | Last sowing dates: Collards (Oct 3), Scallions (Oct 3), Bok Choy (Oct 4), Lettuce (Oct 4), Kale (Oct 8), Kohlrabi (Oct 8), +4 more. |
| November | Direct sow from: Garlic (Nov 25). First frost around November 25. |
| December | Start indoors: Chives (Dec 12), Lavender (Dec 12), Onion (Dec 12), Rosemary (Dec 12), Celery (Dec 26), Collards (Dec 26), +5 more. Last sowing dates: Garlic (Dec 16). |
Frequently Asked Questions
What is the last frost date for Macclenny, FL (ZIP 32063)?
The median last spring frost date for Macclenny, FL (ZIP code 32063) is around March 6. 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 12; one in ten it runs past March 26.
What is the first fall frost date in Macclenny, FL?
The median first fall frost date for Macclenny, FL is around November 25. 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 4 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Macclenny, FL?
The frost-free growing season in Macclenny is about 264 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 Macclenny (264 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 Macclenny, FL?
Macclenny, 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 Macclenny, FL?
Start tomatoes indoors Jan 30 and plant out Mar 20 in Macclenny. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Macclenny?
Two: plant Feb 6 and again by Oct 4; both mature before Dec 2.
When do I plant garlic in Macclenny?
Nov 25 to Dec 16; it overwinters and is ready the following summer.
Can I get two tomato crops in Macclenny?
Yes: plant out Mar 20 for a summer crop, and set out a second round of transplants by Jul 26 for a fall crop.
Which nearby ZIP has a longer season?
Middleburg (ZIP 32068) has 280 frost-free days, 16 more than Macclenny (ZIP 32063). See Middleburg ZIP 32068 frost dates
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