Frost Dates for Largo, FL 33771
Last spring frost January 19 · First fall frost January 7 · 353 frost-free days · USDA Zone 10a
ZIP 33771 has about 27,600 people, the largest of 5 ZIP codes in Largo.
Very long season: 353 frost-free days.
Frost probability for 33771
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | February 22 | January 19 | — |
| Fall (first frost) | December 11 | January 7 | — |
Dates come from NOAA 1971–2000 freeze probabilities at TAMPA INTL AP (22.4 km away); the 50% date is the median year.
Frost dates by ZIP code in Largo, FL
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 33771 | January 19 | January 7 | 10a |
| 33770 | January 19 | January 7 | 10a |
| 33774 | January 19 | January 7 | 10b |
| 33778 | January 19 | January 7 | 10a |
| 33773 | January 19 | January 7 | 10a |
Which crops fit a 353-day season in Largo
In Largo (353 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 | Dec 15 | Feb 2–Feb 9 | 311 | fits: 80 days to maturity, 311 available after Feb 2. | Sep 7 |
| Pepper | Dec 8 | Feb 2–Feb 9 | 311 | fits: 75 days to maturity, 311 available after Feb 2. | Sep 12 |
| Lettuce | Nov 24 | Dec 22–Dec 29 | 388 | two-plantings: Plant Dec 22 and again by Nov 16; both mature before Jan 14. | Nov 16 |
| Carrots | — | Dec 29–Jan 5 | 395 | fits: 70 days to maturity, 395 available after Dec 29. | Nov 5 |
| Cucumber | Dec 29 | Feb 2–Feb 9 | 325 | two-plantings: Plant Feb 2 and again by Oct 11; both mature before Dec 24. | Oct 11 |
| Beans | — | Jan 26–Feb 9 | 339 | two-plantings: Plant Jan 26 and again by Oct 18; both mature before Dec 31. | Oct 18 |
| Peas | — | Nov 24–Feb 2 | 416 | fits: 65 days to maturity, 416 available after Nov 24. | Oct 27 |
| Zucchini | Jan 5 | Feb 2–Feb 9 | 325 | two-plantings: Plant Feb 2 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Onion | Oct 27 | Dec 22–Jan 5 | 388 | fits: 100 days to maturity, 388 available after Dec 22. | — |
| Spinach | — | Nov 24–Jan 12 | 430 | two-plantings: Plant Nov 24 and again by Dec 5; both mature before Jan 28. | Dec 5 |
| Kale | Nov 10 | Dec 22–Jan 5 | 402 | two-plantings: Plant Dec 22 and again by Nov 20; both mature before Jan 28. | Nov 20 |
| Broccoli | Nov 24 | Dec 22–Jan 5 | 388 | fits: 80 days to maturity, 388 available after Dec 22. | Oct 12 |
| Cabbage | Nov 24 | Dec 22–Jan 5 | 402 | fits: 70 days to maturity, 402 available after Dec 22. | Nov 5 |
| Radish | — | Nov 24–Feb 16 | 416 | two-plantings: Plant Nov 24 and again by Dec 6; both mature before Jan 14. | Dec 6 |
| Beets | — | Nov 24–Feb 16 | 416 | two-plantings: Plant Nov 24 and again by Nov 6; both mature before Jan 14. | Nov 6 |
| Potatoes | — | Jan 5–Jan 12 | 374 | fits: 90 days to maturity, 374 available after Jan 5. | — |
| Garlic | — | Jan 7 | 458 | overwinter: Plant Jan 7 to Jan 28; harvest the following summer. | Jan 28 |
| Strawberry | — | Dec 15–Feb 9 | 409 | perennial: A perennial: plant Dec 15; it fruits from the following year and keeps producing for several years. | — |
| Corn | Dec 22 | Jan 26–Feb 2 | 325 | fits: 75 days to maturity, 325 available after Jan 26. | Sep 19 |
| Pumpkin | Jan 5 | Feb 2–Feb 2 | 318 | fits: 100 days to maturity, 318 available after Feb 2. | Aug 25 |
| Cauliflower | Dec 8 | Jan 12–Jan 26 | 367 | fits: 75 days to maturity, 367 available after Jan 12. | Oct 17 |
| Swiss Chard | Nov 24 | Jan 5–Jan 5 | 374 | two-plantings: Plant Jan 5 and again by Nov 6; both mature before Jan 14. | Nov 6 |
| Arugula | — | Nov 24–Feb 16 | 430 | two-plantings: Plant Nov 24 and again by Dec 5; both mature before Jan 28. | Dec 5 |
| Brussel Sprouts | Nov 24 | Dec 22–Jan 5 | 402 | fits: 100 days to maturity, 402 available after Dec 22. | Oct 6 |
| Butternut Squash | Jan 5 | Feb 2–Feb 9 | 318 | fits: 100 days to maturity, 318 available after Feb 2. | Aug 25 |
| Eggplant | Dec 1 | Feb 2–Feb 9 | 311 | fits: 70 days to maturity, 311 available after Feb 2. | Sep 17 |
| Okra | Dec 22 | Jan 26–Feb 2 | 332 | two-plantings: Plant Jan 26 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Basil | Dec 15 | Feb 9–Feb 9 | 318 | two-plantings: Plant Feb 9 and again by Oct 11; both mature before Dec 24. | Oct 11 |
| Cilantro | — | Dec 22–Jan 12 | 388 | two-plantings: Plant Dec 22 and again by Nov 11; both mature before Jan 14. | Nov 11 |
| Parsley | Nov 10 | Jan 26–Feb 2 | 353 | fits: 70 days to maturity, 353 available after Jan 26. | Oct 22 |
| Celery | Nov 10 | Jan 26–Feb 9 | 353 | fits: 120 days to maturity, 353 available after Jan 26. | Sep 2 |
| Scallions | Nov 10 | Dec 22–Jan 5 | 402 | two-plantings: Plant Dec 22 and again by Nov 15; both mature before Jan 28. | Nov 15 |
| Turnip | — | Dec 22–Jan 5 | 402 | two-plantings: Plant Dec 22 and again by Nov 25; both mature before Jan 28. | Nov 25 |
| Kohlrabi | — | Dec 8–Dec 22 | 416 | two-plantings: Plant Dec 8 and again by Nov 20; both mature before Jan 28. | Nov 20 |
| Bok Choy | Dec 22 | Jan 12–Jan 19 | 367 | two-plantings: Plant Jan 12 and again by Nov 16; both mature before Jan 14. | Nov 16 |
| Collards | Nov 10 | Dec 22–Jan 5 | 402 | two-plantings: Plant Dec 22 and again by Nov 15; both mature before Jan 28. | Nov 15 |
| Cantaloupe | Jan 5 | Feb 2–Feb 9 | 311 | fits: 85 days to maturity, 311 available after Feb 2. | Sep 2 |
| Chives | Oct 27 | Jan 26–Feb 2 | 367 | fits: 90 days to maturity, 367 available after Jan 26. | — |
| Dill | — | Nov 24–Feb 16 | 416 | two-plantings: Plant Nov 24 and again by Nov 6; both mature before Jan 14. | Nov 6 |
| Oregano | Nov 10 | Jan 26–Feb 2 | 367 | fits: 80 days to maturity, 367 available after Jan 26. | — |
| Rosemary | Oct 27 | Jan 26–Feb 2 | 353 | fits: 80 days to maturity, 353 available after Jan 26. | — |
| Sage | Nov 24 | Jan 26–Feb 2 | 367 | fits: 75 days to maturity, 367 available after Jan 26. | — |
| Thyme | Nov 10 | Jan 26–Feb 2 | 367 | fits: 90 days to maturity, 367 available after Jan 26. | — |
| Calendula | Dec 8 | Jan 5–Jan 19 | 374 | two-plantings: Plant Jan 5 and again by Nov 11; both mature before Jan 14. | Nov 11 |
| Cosmos | Dec 22 | Jan 19–Feb 2 | 339 | two-plantings: Plant Jan 19 and again by Oct 11; both mature before Dec 24. | Oct 11 |
| Lavender | Oct 27 | Jan 19–Feb 2 | 374 | fits: 90 days to maturity, 374 available after Jan 19. | — |
| Marigolds | Dec 8 | Jan 19–Jan 26 | 339 | two-plantings: Plant Jan 19 and again by Oct 21; both mature before Dec 24. | Oct 21 |
| Melons | Jan 5 | Feb 2–Feb 9 | 311 | fits: 85 days to maturity, 311 available after Feb 2. | Sep 2 |
| Mint | — | Jan 19–Feb 2 | 374 | fits: 90 days to maturity, 374 available after Jan 19. | — |
| Nasturtiums | Dec 22 | Jan 19–Jan 26 | 339 | two-plantings: Plant Jan 19 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Pole Beans | — | Jan 26–Feb 9 | 332 | fits: 65 days to maturity, 332 available after Jan 26. | Oct 6 |
| Spaghetti Squash | Jan 5 | Feb 2–Feb 9 | 318 | fits: 90 days to maturity, 318 available after Feb 2. | Sep 4 |
| Sunflowers | — | Jan 19–Feb 2 | 339 | fits: 70 days to maturity, 339 available after Jan 19. | Oct 1 |
| Tomatillos | Nov 24 | Jan 26–Feb 2 | 318 | fits: 75 days to maturity, 318 available after Jan 26. | Sep 12 |
| Watermelon | Jan 5 | Jan 26–Feb 2 | 318 | fits: 80 days to maturity, 318 available after Jan 26. | Sep 7 |
| Yellow Squash | Jan 5 | Feb 2–Feb 9 | 325 | two-plantings: Plant Feb 2 and again by Oct 16; both mature before Dec 24. | Oct 16 |
| Zinnias | Dec 22 | Jan 19–Feb 2 | 339 | two-plantings: Plant Jan 19 and again by Oct 11; both mature before Dec 24. | Oct 11 |
Month by month in Largo
| Month | What to do |
|---|---|
| January | Start indoors: Butternut Squash (Jan 5), Cantaloupe (Jan 5), Melons (Jan 5), Pumpkin (Jan 5), Spaghetti Squash (Jan 5), Watermelon (Jan 5), +2 more. Direct sow from: Potatoes (Jan 5), Garlic (Jan 7), Sunflowers (Jan 19), Beans (Jan 26), Pole Beans (Jan 26). Transplant from: Calendula (Jan 5), Swiss Chard (Jan 5), Bok Choy (Jan 12), Cauliflower (Jan 12), Cosmos (Jan 19), Lavender (Jan 19), +15 more. Last frost around January 19. First frost around January 7. Last sowing dates: Garlic (Jan 28). |
| February | Transplant from: Butternut Squash (Feb 2), Cantaloupe (Feb 2), Cucumber (Feb 2), Eggplant (Feb 2), Melons (Feb 2), Pepper (Feb 2), +6 more. |
| March | Transplant warm-season crops outdoors. Sow beans, cucumbers, and squash. |
| April | Main warm-season planting window. Direct sow melons and sweet corn. |
| May | Succession plant lettuce. Keep beds irrigated as temperatures climb. |
| June | Monitor for heat stress. Harvest zucchini and cucumbers frequently. |
| July | Harvest regularly to encourage continued production. Watch for pests. |
| August | Last sowing dates: Butternut Squash (Aug 25), Pumpkin (Aug 25). |
| September | Last sowing dates: Cantaloupe (Sep 2), Celery (Sep 2), Melons (Sep 2), Spaghetti Squash (Sep 4), Tomato (Sep 7), Watermelon (Sep 7), +4 more. |
| October | Start indoors: Chives (Oct 27), Lavender (Oct 27), Onion (Oct 27), Rosemary (Oct 27). Last sowing dates: Sunflowers (Oct 1), Brussel Sprouts (Oct 6), Pole Beans (Oct 6), Basil (Oct 11), Cosmos (Oct 11), Cucumber (Oct 11), +11 more. |
| November | Start indoors: Celery (Nov 10), Collards (Nov 10), Kale (Nov 10), Oregano (Nov 10), Parsley (Nov 10), Scallions (Nov 10), +8 more. Direct sow from: Arugula (Nov 24), Beets (Nov 24), Dill (Nov 24), Peas (Nov 24), Radish (Nov 24), Spinach (Nov 24). Last sowing dates: Cabbage (Nov 5), Carrots (Nov 5), Beets (Nov 6), Dill (Nov 6), Swiss Chard (Nov 6), Calendula (Nov 11), +8 more. |
| December | Start indoors: Eggplant (Dec 1), Calendula (Dec 8), Cauliflower (Dec 8), Marigolds (Dec 8), Pepper (Dec 8), Basil (Dec 15), +8 more. Direct sow from: Kohlrabi (Dec 8), Cilantro (Dec 22), Turnip (Dec 22), Carrots (Dec 29). Transplant from: Broccoli (Dec 22), Brussel Sprouts (Dec 22), Cabbage (Dec 22), Collards (Dec 22), Kale (Dec 22), Lettuce (Dec 22), +2 more. Plant: Strawberry (Dec 15). Last sowing dates: Arugula (Dec 5), Spinach (Dec 5), Radish (Dec 6). |
Frequently Asked Questions
What is the last frost date for Largo, FL (ZIP 33771)?
The median last spring frost date for Largo, FL (ZIP code 33771) is around January 19. 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.
What is the first fall frost date in Largo, FL?
The median first fall frost date for Largo, FL is around January 7. 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 December 11 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Largo, FL?
The frost-free growing season in Largo is about 353 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 Largo (353 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 Largo, FL?
Largo, FL is in USDA hardiness zone 10a (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 Largo, FL?
Start tomatoes indoors Dec 15 and plant out Feb 2 in Largo. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Largo?
Two: plant Dec 22 and again by Nov 16; both mature before Jan 14.
When do I plant garlic in Largo?
Jan 7 to Jan 28; it overwinters and is ready the following summer.
Can I get two tomato crops in Largo?
Yes: plant out Feb 2 for a summer crop, and set out a second round of transplants by Sep 7 for a fall crop.
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