Frost dates for 95237Lockeford, CA
The average last spring frost in Lockeford is February 9 and the average first fall frost is December 5, giving a typical growing season of about 301 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Feb 9
- Average first fall frost
- Dec 5
- Growing season
- 301 days
Safer after Mar 7 (1-in-10 risk)
Possible by Nov 17 (1-in-10 risk)
First frost typically in 33 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 9 · Mar 11 · Apr 20 | Nov 5 · Nov 19 · Dec 4 | 251 days | 100% |
| Frost / freeze (32°F) | Jan 2 · Feb 9 · Mar 7 | Nov 17 · Dec 5 · Jan 3 | 301 days | 98% |
| Hard freeze (28°F) | Dec 12 · Jan 12 · Feb 18 | Nov 30 · Dec 20 · Jan 24 | 348 days | 73% |
Planting calendar for Lockeford
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 9 – Mar 17 |
| Tomatoes | Transplant outdoors | Feb 25 – Aug 15 |
| Peppers | Start seeds indoors | Jan 9 – Feb 9 |
| Peppers | Transplant outdoors | Mar 11 – Apr 11 |
| Eggplant | Start seeds indoors | Jan 26 – Feb 24 |
| Eggplant | Transplant outdoors | Mar 11 – Apr 11 |
| Cucumbers | Sow outdoors | Mar 11 – Aug 25 |
| Summer squash | Sow outdoors | Feb 25 – Apr 11 |
| Winter squash & pumpkins | Sow outdoors | Mar 11 – Apr 11 |
| Snap beans | Sow outdoors | Feb 25 – Sep 17 |
| Sweet corn | Sow outdoors | Feb 25 – Aug 15 |
| Watermelon & cantaloupe | Sow outdoors | Mar 11 – Apr 11 |
| Okra | Sow outdoors | Mar 4 – Mar 27 |
| Peas | Sow outdoors (spring) | Jan 9 – Feb 24 |
| Potatoes | Plant outdoors (spring) | Jan 9 – Mar 11 |
| Onions | Start seeds indoors (spring) | Nov 28 – Dec 25 |
| Onions | Transplant outdoors (spring) | Jan 26 – Feb 24 |
| Broccoli | Start seeds indoors (spring) | Dec 22 – Jan 25 |
| Broccoli | Transplant outdoors (spring) | Jan 26 – Feb 24 |
| Broccoli | Start seeds indoors (fall) | Aug 5 – Aug 15 |
| Broccoli | Transplant outdoors (fall) | Sep 4 – Sep 15 |
| Cabbage | Start seeds indoors (spring) | Dec 12 – Jan 9 |
| Cabbage | Transplant outdoors (spring) | Jan 9 – Feb 9 |
| Cabbage | Start seeds indoors (fall) | Jul 26 – Aug 25 |
| Cabbage | Transplant outdoors (fall) | Aug 25 – Sep 25 |
| Leaf lettuce | Sow outdoors (spring) | Jan 9 – Mar 27 |
| Leaf lettuce | Sow outdoors (fall) | Aug 25 – Oct 11 |
| Spinach | Sow outdoors (spring) | Jan 2 – Feb 15 |
| Spinach | Sow outdoors (fall) | Sep 11 – Oct 16 |
| Radishes | Sow outdoors (spring) | Jan 9 – Mar 1 |
| Radishes | Sow outdoors (fall) | Aug 25 – Oct 26 |
| Kale | Sow outdoors (spring) | Jan 26 – Feb 15 |
| Kale | Sow outdoors (fall) | Aug 18 – Sep 25 |
| Carrots | Sow outdoors (spring) | Feb 9 – Mar 27 |
| Carrots | Sow outdoors (fall) | Jul 26 – Sep 10 |
| Garlic | Plant outdoors (fall) | Nov 25 – Dec 26 |
Where these dates come from
ZIP code 95237 is matched to the NOAA station Lodi, CA, 14.1 km away, at 40 ft elevation (62 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Lodi, CA (used) | 40 ft | Feb 9 | Dec 5 |
| Stockton Fire Stn 4, CA | 12 ft | Feb 5 | Dec 8 |
| Camp Pardee, CA | 658 ft | Jan 22 | Dec 17 |
| Stockton Metro Ap, CA | 26 ft | Feb 6 | Dec 1 |
Frost dates near Lockeford
- Victor, CA 95253 · last Feb 9, first Dec 5
- Clements, CA 95227 · last Feb 9, first Dec 5
- Acampo, CA 95220 · last Feb 9, first Dec 5
- Lodi, CA 95240 · last Feb 9, first Dec 5
- Woodbridge, CA 95258 · last Feb 9, first Dec 5
- Wallace, CA 95254 · last Jan 22, first Dec 17
- Linden, CA 95236 · last Feb 9, first Dec 5
- Herald, CA 95638 · last Feb 9, first Dec 5
Frequently asked questions
- When is the last frost in Lockeford, CA?
- For ZIP code 95237, the average last spring frost (32°F) is February 9, based on NOAA 1991-2020 climate normals for the Lodi, CA weather station. There is a 1-in-10 chance of a frost after March 7.
- When is the first frost in Lockeford, CA?
- The average first fall frost (32°F) is December 5. There is a 1-in-10 chance of frost by November 17, so tender plants are at risk from that point on.
- How long is the growing season in 95237?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 301 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.