Frost dates for 34603Brooksville, FL
The average last spring frost in Brooksville is March 1 and the average first fall frost is December 5, giving a typical growing season of about 281 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 1
- Average first fall frost
- Dec 5
- Growing season
- 281 days
Safer after Mar 27 (1-in-10 risk)
Possible by Nov 11 (1-in-10 risk)
First frost typically in 32 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Feb 18 · Mar 17 · Apr 9 | Nov 1 · Nov 21 · Dec 13 | 250 days | 100% |
| Frost / freeze (32°F) | Jan 30 · Mar 1 · Mar 27 | Nov 11 · Dec 5 · Jan 6 | 281 days | 100% |
| Hard freeze (28°F) | Jan 8 · Feb 7 · Mar 12 | Nov 27 · Dec 29 · Feb 2 | 315 days | 93% |
Planting calendar for Brooksville
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Jan 29 – Apr 6 |
| Tomatoes | Transplant outdoors | Mar 17 – Aug 15 |
| Peppers | Start seeds indoors | Jan 29 – Mar 1 |
| Peppers | Transplant outdoors | Mar 31 – May 1 |
| Eggplant | Start seeds indoors | Feb 15 – Mar 16 |
| Eggplant | Transplant outdoors | Mar 31 – May 1 |
| Cucumbers | Sow outdoors | Mar 31 – Aug 25 |
| Summer squash | Sow outdoors | Mar 17 – May 1 |
| Winter squash & pumpkins | Sow outdoors | Mar 31 – May 1 |
| Snap beans | Sow outdoors | Mar 17 – Sep 17 |
| Sweet corn | Sow outdoors | Mar 17 – Aug 15 |
| Watermelon & cantaloupe | Sow outdoors | Mar 31 – May 1 |
| Okra | Sow outdoors | Mar 24 – Apr 16 |
| Peas | Sow outdoors (spring) | Jan 29 – Mar 16 |
| Potatoes | Plant outdoors (spring) | Jan 29 – Mar 31 |
| Onions | Start seeds indoors (spring) | Dec 18 – Jan 14 |
| Onions | Transplant outdoors (spring) | Feb 15 – Mar 16 |
| Broccoli | Start seeds indoors (spring) | Jan 11 – Feb 14 |
| Broccoli | Transplant outdoors (spring) | Feb 15 – Mar 16 |
| Broccoli | Start seeds indoors (fall) | Aug 5 – Aug 15 |
| Broccoli | Transplant outdoors (fall) | Sep 4 – Sep 15 |
| Cabbage | Start seeds indoors (spring) | Jan 1 – Jan 29 |
| Cabbage | Transplant outdoors (spring) | Jan 29 – Mar 1 |
| Cabbage | Start seeds indoors (fall) | Jul 26 – Aug 25 |
| Cabbage | Transplant outdoors (fall) | Aug 25 – Sep 25 |
| Leaf lettuce | Sow outdoors (spring) | Jan 29 – Apr 16 |
| Leaf lettuce | Sow outdoors (fall) | Aug 25 – Oct 11 |
| Spinach | Sow outdoors (spring) | Jan 22 – Mar 7 |
| Spinach | Sow outdoors (fall) | Sep 11 – Oct 16 |
| Radishes | Sow outdoors (spring) | Jan 29 – Mar 21 |
| Radishes | Sow outdoors (fall) | Aug 25 – Oct 26 |
| Kale | Sow outdoors (spring) | Feb 15 – Mar 7 |
| Kale | Sow outdoors (fall) | Aug 18 – Sep 25 |
| Carrots | Sow outdoors (spring) | Mar 1 – Apr 16 |
| Carrots | Sow outdoors (fall) | Jul 26 – Sep 10 |
| Garlic | Plant outdoors (fall) | Nov 25 – Dec 26 |
Where these dates come from
ZIP code 34603 is matched to the NOAA station Brooksville Hernando Co Ap, FL, 10.7 km away, at 77 ft elevation (38 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Brooksville Hernando Co Ap, FL (used) | 77 ft | Mar 1 | Dec 5 |
| Brooksville Chin Hill, FL | 240 ft | Feb 3 | Jan 3 |
| Weeki Wachee, FL | 20 ft | Feb 5 | Jan 1 |
| Inverness 3 Se, FL | 58 ft | Mar 3 | Dec 5 |
Frost dates near Brooksville
- Spring Hill, FL 34611 · last Mar 1, first Dec 5
- Brooksville, FL 34601 · last Feb 3, first Jan 3
- Nobleton, FL 34661 · last Mar 2, first Dec 5
- Istachatta, FL 34636 · last Mar 3, first Dec 5
- Floral City, FL 34436 · last Mar 3, first Dec 5
- Homosassa, FL 34446 · last Mar 3, first Dec 5
- Trilby, FL 33593 · last Jan 31, first Jan 8
- Dade City, FL 33523 · last Jan 31, first Jan 8
Frequently asked questions
- When is the last frost in Brooksville, FL?
- For ZIP code 34603, the average last spring frost (32°F) is March 1, based on NOAA 1991-2020 climate normals for the Brooksville Hernando Co Ap, FL weather station. There is a 1-in-10 chance of a frost after March 27.
- When is the first frost in Brooksville, FL?
- The average first fall frost (32°F) is December 5. There is a 1-in-10 chance of frost by November 11, so tender plants are at risk from that point on.
- How long is the growing season in 34603?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 281 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.