Frost Dates for Saint Petersburg, FL 33712
Saint Petersburg has 16 ZIP codes. The Saint Petersburg, FL frost page lists all of them with their dates.
Last spring frost January 19 · First fall frost January 6 · 352 frost-free days · USDA Zone 10b
ZIP 33712 has about 27,100 people, one of 16 ZIP codes in Saint Petersburg.
Very long season: 352 frost-free days.
Frost probability for 33712
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | February 22 | January 19 | — |
| Fall (first frost) | December 12 | January 6 | — |
Dates come from NOAA 1971–2000 freeze probabilities at TAMPA INTL AP (28.0 km away); the 50% date is the median year.
Which crops fit a 352-day season in Saint Petersburg
In Saint Petersburg (352 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 | 310 | fits: 80 days to maturity, 310 available after Feb 2. | Sep 6 |
| Pepper | Dec 8 | Feb 2–Feb 9 | 310 | fits: 75 days to maturity, 310 available after Feb 2. | Sep 11 |
| Lettuce | Nov 24 | Dec 22–Dec 29 | 387 | two-plantings: Plant Dec 22 and again by Nov 15; both mature before Jan 13. | Nov 15 |
| Carrots | — | Dec 29–Jan 5 | 394 | fits: 70 days to maturity, 394 available after Dec 29. | Nov 4 |
| Cucumber | Dec 29 | Feb 2–Feb 9 | 324 | two-plantings: Plant Feb 2 and again by Oct 10; both mature before Dec 23. | Oct 10 |
| Beans | — | Jan 26–Feb 9 | 338 | two-plantings: Plant Jan 26 and again by Oct 17; both mature before Dec 30. | Oct 17 |
| Peas | — | Nov 24–Feb 2 | 415 | fits: 65 days to maturity, 415 available after Nov 24. | Oct 26 |
| Zucchini | Jan 5 | Feb 2–Feb 9 | 324 | two-plantings: Plant Feb 2 and again by Oct 15; both mature before Dec 23. | Oct 15 |
| Onion | Oct 27 | Dec 22–Jan 5 | 387 | fits: 100 days to maturity, 387 available after Dec 22. | — |
| Spinach | — | Nov 24–Jan 12 | 429 | two-plantings: Plant Nov 24 and again by Dec 4; both mature before Jan 27. | Dec 4 |
| Kale | Nov 10 | Dec 22–Jan 5 | 401 | two-plantings: Plant Dec 22 and again by Nov 19; both mature before Jan 27. | Nov 19 |
| Broccoli | Nov 24 | Dec 22–Jan 5 | 387 | fits: 80 days to maturity, 387 available after Dec 22. | Oct 11 |
| Cabbage | Nov 24 | Dec 22–Jan 5 | 401 | fits: 70 days to maturity, 401 available after Dec 22. | Nov 4 |
| Radish | — | Nov 24–Feb 16 | 415 | two-plantings: Plant Nov 24 and again by Dec 5; both mature before Jan 13. | Dec 5 |
| Beets | — | Nov 24–Feb 16 | 415 | two-plantings: Plant Nov 24 and again by Nov 5; both mature before Jan 13. | Nov 5 |
| Potatoes | — | Jan 5–Jan 12 | 373 | fits: 90 days to maturity, 373 available after Jan 5. | — |
| Garlic | — | Jan 6 | 457 | overwinter: Plant Jan 6 to Jan 27; harvest the following summer. | Jan 27 |
| Strawberry | — | Dec 15–Feb 9 | 408 | 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 | 324 | fits: 75 days to maturity, 324 available after Jan 26. | Sep 18 |
| Pumpkin | Jan 5 | Feb 2–Feb 2 | 317 | fits: 100 days to maturity, 317 available after Feb 2. | Aug 24 |
| Cauliflower | Dec 8 | Jan 12–Jan 26 | 366 | fits: 75 days to maturity, 366 available after Jan 12. | Oct 16 |
| Swiss Chard | Nov 24 | Jan 5–Jan 5 | 373 | two-plantings: Plant Jan 5 and again by Nov 5; both mature before Jan 13. | Nov 5 |
| Arugula | — | Nov 24–Feb 16 | 429 | two-plantings: Plant Nov 24 and again by Dec 4; both mature before Jan 27. | Dec 4 |
| Brussel Sprouts | Nov 24 | Dec 22–Jan 5 | 401 | fits: 100 days to maturity, 401 available after Dec 22. | Oct 5 |
| Butternut Squash | Jan 5 | Feb 2–Feb 9 | 317 | fits: 100 days to maturity, 317 available after Feb 2. | Aug 24 |
| Eggplant | Dec 1 | Feb 2–Feb 9 | 310 | fits: 70 days to maturity, 310 available after Feb 2. | Sep 16 |
| Okra | Dec 22 | Jan 26–Feb 2 | 331 | two-plantings: Plant Jan 26 and again by Oct 15; both mature before Dec 23. | Oct 15 |
| Basil | Dec 15 | Feb 9–Feb 9 | 317 | two-plantings: Plant Feb 9 and again by Oct 10; both mature before Dec 23. | Oct 10 |
| Cilantro | — | Dec 22–Jan 12 | 387 | two-plantings: Plant Dec 22 and again by Nov 10; both mature before Jan 13. | Nov 10 |
| Parsley | Nov 10 | Jan 26–Feb 2 | 352 | fits: 70 days to maturity, 352 available after Jan 26. | Oct 21 |
| Celery | Nov 10 | Jan 26–Feb 9 | 352 | fits: 120 days to maturity, 352 available after Jan 26. | Sep 1 |
| Scallions | Nov 10 | Dec 22–Jan 5 | 401 | two-plantings: Plant Dec 22 and again by Nov 14; both mature before Jan 27. | Nov 14 |
| Turnip | — | Dec 22–Jan 5 | 401 | two-plantings: Plant Dec 22 and again by Nov 24; both mature before Jan 27. | Nov 24 |
| Kohlrabi | — | Dec 8–Dec 22 | 415 | two-plantings: Plant Dec 8 and again by Nov 19; both mature before Jan 27. | Nov 19 |
| Bok Choy | Dec 22 | Jan 12–Jan 19 | 366 | two-plantings: Plant Jan 12 and again by Nov 15; both mature before Jan 13. | Nov 15 |
| Collards | Nov 10 | Dec 22–Jan 5 | 401 | two-plantings: Plant Dec 22 and again by Nov 14; both mature before Jan 27. | Nov 14 |
| Cantaloupe | Jan 5 | Feb 2–Feb 9 | 310 | fits: 85 days to maturity, 310 available after Feb 2. | Sep 1 |
| Chives | Oct 27 | Jan 26–Feb 2 | 366 | fits: 90 days to maturity, 366 available after Jan 26. | — |
| Dill | — | Nov 24–Feb 16 | 415 | two-plantings: Plant Nov 24 and again by Nov 5; both mature before Jan 13. | Nov 5 |
| Oregano | Nov 10 | Jan 26–Feb 2 | 366 | fits: 80 days to maturity, 366 available after Jan 26. | — |
| Rosemary | Oct 27 | Jan 26–Feb 2 | 352 | fits: 80 days to maturity, 352 available after Jan 26. | — |
| Sage | Nov 24 | Jan 26–Feb 2 | 366 | fits: 75 days to maturity, 366 available after Jan 26. | — |
| Thyme | Nov 10 | Jan 26–Feb 2 | 366 | fits: 90 days to maturity, 366 available after Jan 26. | — |
| Calendula | Dec 8 | Jan 5–Jan 19 | 373 | two-plantings: Plant Jan 5 and again by Nov 10; both mature before Jan 13. | Nov 10 |
| Cosmos | Dec 22 | Jan 19–Feb 2 | 338 | two-plantings: Plant Jan 19 and again by Oct 10; both mature before Dec 23. | Oct 10 |
| Lavender | Oct 27 | Jan 19–Feb 2 | 373 | fits: 90 days to maturity, 373 available after Jan 19. | — |
| Marigolds | Dec 8 | Jan 19–Jan 26 | 338 | two-plantings: Plant Jan 19 and again by Oct 20; both mature before Dec 23. | Oct 20 |
| Melons | Jan 5 | Feb 2–Feb 9 | 310 | fits: 85 days to maturity, 310 available after Feb 2. | Sep 1 |
| Mint | — | Jan 19–Feb 2 | 373 | fits: 90 days to maturity, 373 available after Jan 19. | — |
| Nasturtiums | Dec 22 | Jan 19–Jan 26 | 338 | two-plantings: Plant Jan 19 and again by Oct 15; both mature before Dec 23. | Oct 15 |
| Pole Beans | — | Jan 26–Feb 9 | 331 | fits: 65 days to maturity, 331 available after Jan 26. | Oct 5 |
| Spaghetti Squash | Jan 5 | Feb 2–Feb 9 | 317 | fits: 90 days to maturity, 317 available after Feb 2. | Sep 3 |
| Sunflowers | — | Jan 19–Feb 2 | 338 | fits: 70 days to maturity, 338 available after Jan 19. | Sep 30 |
| Tomatillos | Nov 24 | Jan 26–Feb 2 | 317 | fits: 75 days to maturity, 317 available after Jan 26. | Sep 11 |
| Watermelon | Jan 5 | Jan 26–Feb 2 | 317 | fits: 80 days to maturity, 317 available after Jan 26. | Sep 6 |
| Yellow Squash | Jan 5 | Feb 2–Feb 9 | 324 | two-plantings: Plant Feb 2 and again by Oct 15; both mature before Dec 23. | Oct 15 |
| Zinnias | Dec 22 | Jan 19–Feb 2 | 338 | two-plantings: Plant Jan 19 and again by Oct 10; both mature before Dec 23. | Oct 10 |
Month by month in Saint Petersburg
| 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 6), 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 6. Last sowing dates: Garlic (Jan 27). |
| 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 24), Pumpkin (Aug 24). |
| September | Last sowing dates: Cantaloupe (Sep 1), Celery (Sep 1), Melons (Sep 1), Spaghetti Squash (Sep 3), Tomato (Sep 6), Watermelon (Sep 6), +5 more. |
| October | Start indoors: Chives (Oct 27), Lavender (Oct 27), Onion (Oct 27), Rosemary (Oct 27). Last sowing dates: Brussel Sprouts (Oct 5), Pole Beans (Oct 5), Basil (Oct 10), Cosmos (Oct 10), Cucumber (Oct 10), Zinnias (Oct 10), +10 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 4), Carrots (Nov 4), Beets (Nov 5), Dill (Nov 5), Swiss Chard (Nov 5), Calendula (Nov 10), +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 4), Spinach (Dec 4), Radish (Dec 5). |
Frequently Asked Questions
What is the last frost date for Saint Petersburg, FL (ZIP 33712)?
The median last spring frost date for Saint Petersburg, FL (ZIP code 33712) 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 Saint Petersburg, FL?
The median first fall frost date for Saint Petersburg, FL is around January 6. 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 12 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Saint Petersburg, FL?
The frost-free growing season in Saint Petersburg is about 352 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 Saint Petersburg (352 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 Saint Petersburg, FL?
Saint Petersburg, FL is in USDA hardiness zone 10b (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 Saint Petersburg, FL?
Start tomatoes indoors Dec 15 and plant out Feb 2 in Saint Petersburg. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Saint Petersburg?
Two: plant Dec 22 and again by Nov 15; both mature before Jan 13.
When do I plant garlic in Saint Petersburg?
Jan 6 to Jan 27; it overwinters and is ready the following summer.
Can I get two tomato crops in Saint Petersburg?
Yes: plant out Feb 2 for a summer crop, and set out a second round of transplants by Sep 6 for a fall crop.
Nearby and related
- Frost dates for Saint Petersburg, FL 33710 (5.4 mi)
- Frost dates for Pinellas Park, FL 33781 (7.6 mi)
- Frost dates for Seminole, FL 33772 (10.8 mi)
- Frost dates for Largo, FL 33771 (12.9 mi)
- Frost dates for Ruskin, FL 33570 (13 mi)
- When to plant in Saint Petersburg, FL: month-by-month guide
- When to plant in FL
- When to plant Peppers in FL
- When to plant Cucumbers in FL
- When to plant Zucchini in FL
- When to plant Butternut Squash in FL
- When to plant Basil in FL
- When to plant Sweet Corn in FL
- Look up another ZIP