Jasper, FL frost dates
How Jasper compares
- In 8 years out of 10, the last spring frost in Jasper falls between February 15 and March 30, a 43-day window. The first fall frost falls between November 5 and December 15.
- The median last frost is 8 days later than the Florida median of Mar 3.
- Its 256-day growing season is longer than 18% of the 174 Florida places with a regular frost season (state median 273 days).
- The last frost is 8 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 31 nights a year at or below 32°F.
- Compared with Valdosta, GA, 50 km away, the last frost here is 6 days later than there and the growing season is 11 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 15 |
| 50% (median) | March 11 |
| 10% (safe for tender plants) | March 30 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 5 |
| 50% (median) | November 22 |
| 90% (late) | December 15 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Jasper, FL
Jasper, FL frost dates — last frost Mar 11, first frost Nov 22, zone 9a. whenisthelastfrost.com
When to plant vegetables in Jasper, FL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 17 – Dec 31 | Feb 11 – Feb 25 | — | — |
| Peppers | Dec 31 – Jan 14 | Mar 25 – Apr 8 | — | — |
| Eggplant | Dec 31 – Jan 14 | Mar 25 – Apr 8 | — | — |
| Tomatoes | Jan 14 – Jan 28 | Mar 18 – Apr 1 | — | — |
| Lettuce | Jan 14 – Jan 28 | Feb 18 – Mar 4 | Feb 11 – Mar 18 | Sep 27 – Oct 25 |
| Kale | Jan 14 – Jan 28 | Feb 11 – Feb 25 | Feb 11 – Feb 25 | Sep 13 – Oct 4 |
| Broccoli | Jan 14 – Jan 28 | Feb 25 – Mar 11 | — | Aug 16 – Sep 6 |
| Cabbage | Jan 14 – Jan 28 | Feb 18 – Mar 4 | — | Aug 16 – Sep 6 |
| Cauliflower | Jan 14 – Jan 28 | Feb 25 – Mar 11 | — | Aug 16 – Sep 6 |
| Okra | Jan 28 – Feb 11 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | — |
| Basil | Jan 28 – Feb 11 | Mar 18 – Apr 1 | — | — |
| Peas | — | — | Jan 28 – Feb 18 | Aug 30 – Sep 20 |
| Spinach | — | — | Jan 28 – Feb 18 | Sep 27 – Oct 18 |
| Radishes | — | — | Feb 4 – Mar 18 | Oct 11 – Nov 1 |
| Cucumbers | Feb 11 – Feb 18 | Mar 25 – Apr 1 | Mar 18 – Apr 1 | Sep 6 – Sep 20 |
| Zucchini & Summer Squash | Feb 11 – Feb 18 | — | Mar 18 – Apr 1 | Sep 13 – Sep 27 |
| Winter Squash & Pumpkins | Feb 11 – Feb 18 | — | Mar 18 – Apr 1 | — |
| Melons & Watermelon | Feb 11 – Feb 18 | Mar 25 – Apr 8 | — | — |
| Carrots | — | — | Feb 18 – Mar 18 | Aug 30 – Sep 13 |
| Beets | — | — | Feb 18 – Mar 18 | Sep 13 – Sep 27 |
| Potatoes | — | — | Feb 18 – Mar 11 | — |
| Swiss Chard | — | — | Feb 25 – Mar 25 | Sep 13 – Sep 27 |
| Cilantro | — | — | Feb 25 – Mar 18 | Sep 27 – Oct 18 |
| Green Beans | — | — | Mar 18 – Apr 8 | Sep 6 – Sep 20 |
| Sweet Corn | — | — | Mar 18 – Apr 1 | — |
| Sweet Potatoes | — | Mar 25 – Apr 15 | — | — |
| Garlic | — | — | — | Nov 8 – Dec 13 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Jasper, FL weather station, 3 km away (elevation 148 ft (45 m)).
Frost dates near Jasper
- Jennings Mar 11 · Nov 22
- White Springs Feb 24 · Dec 7
- Live Oak Feb 20 · Dec 6
- Lee Mar 5 · Nov 29
- Wellborn Feb 20 · Dec 6
- Mc Alpin Feb 20 · Dec 6
- Pinetta Mar 5 · Nov 29
- Madison Mar 5 · Nov 29
- Lake City Mar 1 · Nov 28
- Day Mar 8 · Nov 25
Frequently asked questions
When is the last frost in Jasper, FL?
The median last spring frost in Jasper, FL is March 11. There is still about a 10% chance of frost after March 30, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Jasper, FL?
The median first fall frost is November 22, with about a 10% chance of frost before November 5.
How long is the growing season in Jasper, FL?
About 256 days between the median last spring frost and first fall frost.
What planting zone is Jasper, FL?
Jasper, FL is in USDA hardiness zone 9a.