Frost Dates for Marianna, FL 32446
Last spring frost March 9 · First fall frost November 17 · 253 frost-free days · USDA Zone 9a
ZIP 32446 has about 10,900 people, the largest of 2 ZIP codes in Marianna.
Very long season: 253 frost-free days. Spring frost risk spans February 18–March 28 (38 days). Fall frost risk spans October 28–December 7 (40 days).
Frost probability for 32446
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 28 | March 9 | February 18 |
| Fall (first frost) | October 28 | November 17 | December 7 |
Dates come from NOAA 1971–2000 freeze probabilities at HEADLAND (58.5 km away); the 50% date is the median year.
Frost dates by ZIP code in Marianna, FL
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 32446 | March 9 | November 17 | 9a |
| 32448 | March 2 | November 26 | 9a |
Which crops fit a 253-day season in Marianna
In Marianna (253 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 | Feb 2 | Mar 23–Mar 30 | 211 | fits: 80 days to maturity, 211 available after Mar 23. | Jul 18 |
| Pepper | Jan 26 | Mar 23–Mar 30 | 211 | fits: 75 days to maturity, 211 available after Mar 23. | Jul 23 |
| Lettuce | Jan 12 | Feb 9–Feb 16 | 288 | two-plantings: Plant Feb 9 and again by Sep 26; both mature before Nov 24. | Sep 26 |
| Carrots | — | Feb 16–Feb 23 | 295 | fits: 70 days to maturity, 295 available after Feb 16. | Sep 15 |
| Cucumber | Feb 16 | Mar 23–Mar 30 | 225 | two-plantings: Plant Mar 23 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Beans | — | Mar 16–Mar 30 | 239 | two-plantings: Plant Mar 16 and again by Aug 28; both mature before Nov 10. | Aug 28 |
| Peas | — | Jan 12–Mar 23 | 316 | fits: 65 days to maturity, 316 available after Jan 12. | Sep 6 |
| Zucchini | Feb 23 | Mar 23–Mar 30 | 225 | two-plantings: Plant Mar 23 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Onion | Dec 15 | Feb 9–Feb 23 | 288 | fits: 100 days to maturity, 288 available after Feb 9. | — |
| Spinach | — | Jan 12–Mar 2 | 330 | two-plantings: Plant Jan 12 and again by Oct 15; both mature before Dec 8. | Oct 15 |
| Kale | Dec 29 | Feb 9–Feb 23 | 302 | two-plantings: Plant Feb 9 and again by Sep 30; both mature before Dec 8. | Sep 30 |
| Broccoli | Jan 12 | Feb 9–Feb 23 | 288 | fits: 80 days to maturity, 288 available after Feb 9. | Aug 22 |
| Cabbage | Jan 12 | Feb 9–Feb 23 | 302 | fits: 70 days to maturity, 302 available after Feb 9. | Sep 15 |
| Radish | — | Jan 12–Apr 6 | 316 | two-plantings: Plant Jan 12 and again by Oct 16; both mature before Nov 24. | Oct 16 |
| Beets | — | Jan 12–Apr 6 | 316 | two-plantings: Plant Jan 12 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Potatoes | — | Feb 23–Mar 2 | 274 | fits: 90 days to maturity, 274 available after Feb 23. | — |
| Garlic | — | Nov 17 | 358 | overwinter: Plant Nov 17 to Dec 8; harvest the following summer. | Dec 8 |
| Strawberry | — | Feb 2–Mar 30 | 309 | perennial: A perennial: plant Feb 2; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 9 | Mar 16–Mar 23 | 225 | fits: 75 days to maturity, 225 available after Mar 16. | Jul 30 |
| Pumpkin | Feb 23 | Mar 23–Mar 23 | 218 | fits: 100 days to maturity, 218 available after Mar 23. | Jul 5 |
| Cauliflower | Jan 26 | Mar 2–Mar 16 | 267 | fits: 75 days to maturity, 267 available after Mar 2. | Aug 27 |
| Swiss Chard | Jan 12 | Feb 23–Feb 23 | 274 | two-plantings: Plant Feb 23 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Arugula | — | Jan 12–Apr 6 | 330 | two-plantings: Plant Jan 12 and again by Oct 15; both mature before Dec 8. | Oct 15 |
| Brussel Sprouts | Jan 12 | Feb 9–Feb 23 | 302 | fits: 100 days to maturity, 302 available after Feb 9. | Aug 16 |
| Butternut Squash | Feb 23 | Mar 23–Mar 30 | 218 | fits: 100 days to maturity, 218 available after Mar 23. | Jul 5 |
| Eggplant | Jan 19 | Mar 23–Mar 30 | 211 | fits: 70 days to maturity, 211 available after Mar 23. | Jul 28 |
| Okra | Feb 9 | Mar 16–Mar 23 | 232 | two-plantings: Plant Mar 16 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Basil | Feb 2 | Mar 30–Mar 30 | 218 | two-plantings: Plant Mar 30 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Cilantro | — | Feb 9–Mar 2 | 288 | two-plantings: Plant Feb 9 and again by Sep 21; both mature before Nov 24. | Sep 21 |
| Parsley | Dec 29 | Mar 16–Mar 23 | 253 | fits: 70 days to maturity, 253 available after Mar 16. | Sep 1 |
| Celery | Dec 29 | Mar 16–Mar 30 | 253 | fits: 120 days to maturity, 253 available after Mar 16. | Jul 13 |
| Scallions | Dec 29 | Feb 9–Feb 23 | 302 | two-plantings: Plant Feb 9 and again by Sep 25; both mature before Dec 8. | Sep 25 |
| Turnip | — | Feb 9–Feb 23 | 302 | two-plantings: Plant Feb 9 and again by Oct 5; both mature before Dec 8. | Oct 5 |
| Kohlrabi | — | Jan 26–Feb 9 | 316 | two-plantings: Plant Jan 26 and again by Sep 30; both mature before Dec 8. | Sep 30 |
| Bok Choy | Feb 9 | Mar 2–Mar 9 | 267 | two-plantings: Plant Mar 2 and again by Sep 26; both mature before Nov 24. | Sep 26 |
| Collards | Dec 29 | Feb 9–Feb 23 | 302 | two-plantings: Plant Feb 9 and again by Sep 25; both mature before Dec 8. | Sep 25 |
| Cantaloupe | Feb 23 | Mar 23–Mar 30 | 211 | fits: 85 days to maturity, 211 available after Mar 23. | Jul 13 |
| Chives | Dec 15 | Mar 16–Mar 23 | 267 | fits: 90 days to maturity, 267 available after Mar 16. | — |
| Dill | — | Jan 12–Apr 6 | 316 | two-plantings: Plant Jan 12 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Oregano | Dec 29 | Mar 16–Mar 23 | 267 | fits: 80 days to maturity, 267 available after Mar 16. | — |
| Rosemary | Dec 15 | Mar 16–Mar 23 | 253 | fits: 80 days to maturity, 253 available after Mar 16. | — |
| Sage | Jan 12 | Mar 16–Mar 23 | 267 | fits: 75 days to maturity, 267 available after Mar 16. | — |
| Thyme | Dec 29 | Mar 16–Mar 23 | 267 | fits: 90 days to maturity, 267 available after Mar 16. | — |
| Calendula | Jan 26 | Feb 23–Mar 9 | 274 | two-plantings: Plant Feb 23 and again by Sep 21; both mature before Nov 24. | Sep 21 |
| Cosmos | Feb 9 | Mar 9–Mar 23 | 239 | two-plantings: Plant Mar 9 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Lavender | Dec 15 | Mar 9–Mar 23 | 274 | fits: 90 days to maturity, 274 available after Mar 9. | — |
| Marigolds | Jan 26 | Mar 9–Mar 16 | 239 | two-plantings: Plant Mar 9 and again by Aug 31; both mature before Nov 3. | Aug 31 |
| Melons | Feb 23 | Mar 23–Mar 30 | 211 | fits: 85 days to maturity, 211 available after Mar 23. | Jul 13 |
| Mint | — | Mar 9–Mar 23 | 274 | fits: 90 days to maturity, 274 available after Mar 9. | — |
| Nasturtiums | Feb 9 | Mar 9–Mar 16 | 239 | two-plantings: Plant Mar 9 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Pole Beans | — | Mar 16–Mar 30 | 232 | fits: 65 days to maturity, 232 available after Mar 16. | Aug 16 |
| Spaghetti Squash | Feb 23 | Mar 23–Mar 30 | 218 | fits: 90 days to maturity, 218 available after Mar 23. | Jul 15 |
| Sunflowers | — | Mar 9–Mar 23 | 239 | fits: 70 days to maturity, 239 available after Mar 9. | Aug 11 |
| Tomatillos | Jan 12 | Mar 16–Mar 23 | 218 | fits: 75 days to maturity, 218 available after Mar 16. | Jul 23 |
| Watermelon | Feb 23 | Mar 16–Mar 23 | 218 | fits: 80 days to maturity, 218 available after Mar 16. | Jul 18 |
| Yellow Squash | Feb 23 | Mar 23–Mar 30 | 225 | two-plantings: Plant Mar 23 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Zinnias | Feb 9 | Mar 9–Mar 23 | 239 | two-plantings: Plant Mar 9 and again by Aug 21; both mature before Nov 3. | Aug 21 |
Month by month in Marianna
| Month | What to do |
|---|---|
| January | Start indoors: Broccoli (Jan 12), Brussel Sprouts (Jan 12), Cabbage (Jan 12), Lettuce (Jan 12), Sage (Jan 12), Swiss Chard (Jan 12), +6 more. Direct sow from: Arugula (Jan 12), Beets (Jan 12), Dill (Jan 12), Peas (Jan 12), Radish (Jan 12), Spinach (Jan 12), +1 more. |
| February | Start indoors: Basil (Feb 2), Tomato (Feb 2), Bok Choy (Feb 9), Corn (Feb 9), Cosmos (Feb 9), Nasturtiums (Feb 9), +11 more. Direct sow from: Cilantro (Feb 9), Turnip (Feb 9), Carrots (Feb 16), Potatoes (Feb 23). Transplant from: Broccoli (Feb 9), Brussel Sprouts (Feb 9), Cabbage (Feb 9), Collards (Feb 9), Kale (Feb 9), Lettuce (Feb 9), +4 more. Plant: Strawberry (Feb 2). |
| March | Direct sow from: Sunflowers (Mar 9), Beans (Mar 16), Pole Beans (Mar 16). Transplant from: Bok Choy (Mar 2), Cauliflower (Mar 2), Cosmos (Mar 9), Lavender (Mar 9), Marigolds (Mar 9), Mint (Mar 9), +25 more. Last frost around March 9. |
| 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 5), Pumpkin (Jul 5), Cantaloupe (Jul 13), Celery (Jul 13), Melons (Jul 13), Spaghetti Squash (Jul 15), +6 more. |
| August | Last sowing dates: Sunflowers (Aug 11), Brussel Sprouts (Aug 16), Pole Beans (Aug 16), Basil (Aug 21), Cosmos (Aug 21), Cucumber (Aug 21), +9 more. |
| September | Last sowing dates: Parsley (Sep 1), Peas (Sep 6), Cabbage (Sep 15), Carrots (Sep 15), Beets (Sep 16), Dill (Sep 16), +9 more. |
| October | Last sowing dates: Turnip (Oct 5), Arugula (Oct 15), Spinach (Oct 15), Radish (Oct 16). |
| November | Direct sow from: Garlic (Nov 17). First frost around November 17. |
| December | Start indoors: Chives (Dec 15), Lavender (Dec 15), Onion (Dec 15), Rosemary (Dec 15), Celery (Dec 29), Collards (Dec 29), +5 more. Last sowing dates: Garlic (Dec 8). |
Frequently Asked Questions
What is the last frost date for Marianna, FL (ZIP 32446)?
The median last spring frost date for Marianna, FL (ZIP code 32446) is around March 9. 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 18; one in ten it runs past March 28.
What is the first fall frost date in Marianna, FL?
The median first fall frost date for Marianna, FL is around November 17. 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 October 28 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Marianna, FL?
The frost-free growing season in Marianna is about 253 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 Marianna (253 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 Marianna, FL?
Marianna, 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 Marianna, FL?
Start tomatoes indoors Feb 2 and plant out Mar 23 in Marianna. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Marianna?
Two: plant Feb 9 and again by Sep 26; both mature before Nov 24.
When do I plant garlic in Marianna?
Nov 17 to Dec 8; it overwinters and is ready the following summer.
Can I get two tomato crops in Marianna?
Yes: plant out Mar 23 for a summer crop, and set out a second round of transplants by Jul 18 for a fall crop.
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