Frost Dates for Galt, CA
In Galt, CA, the average last spring frost is around Feb 9 and the average first fall frost around Dec 5, for a growing season of about 301 days. For frost-tender plants, wait until Mar 7, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Lodi, CA weather station, 11 miles away, elevation 40 ft. Frost can come earlier in low spots and valleys and later near cities and large lakes.
Frost probability by date
Chance of a 32°F frost after the spring date, or before the fall date.
| Chance | Last spring frost | First fall frost |
|---|---|---|
| 10% | Mar 7 | Nov 17 |
| 20% | Feb 28 | Nov 24 |
| 30% | Feb 22 | Nov 29 |
| 40% | Feb 15 | Dec 1 |
| 50% | Feb 9 | Dec 5 |
| 60% | Feb 2 | Dec 9 |
| 70% | Jan 26 | Dec 14 |
| 80% | Jan 15 | Dec 21 |
| 90% | Jan 2 | Jan 3 |
Light frost vs. hard freeze
Average (50%) dates for each temperature. Tender plants are damaged at 36°F; most hardy crops survive until 28°F.
| Temperature | Last in spring | First in fall |
|---|---|---|
| Light frost (36°F) | Mar 11 | Nov 19 |
| Frost / freeze (32°F) | Feb 9 | Dec 5 |
| Hard freeze (28°F) | Jan 12 | Dec 20 |
Planting calendar for Galt
Transplant Feb 16 – Mar 2
Transplant Feb 23 – Mar 9
Transplant Feb 23 – Mar 9
Transplant Feb 16 – Mar 2
Sow or transplant Feb 16 – Mar 2
Sow or transplant Feb 16 – Mar 2
Sow or transplant Feb 23 – Mar 9
Sow or transplant Jan 12 – Jan 26
Fall sowing Oct 10 – Nov 7
Fall sowing Oct 10 – Oct 31
Fall sowing Sep 26 – Oct 10
Sow or transplant Jan 12 – Jan 26
Fall sowing Sep 26 – Oct 24
Transplant Jan 26 – Feb 9
Fall sowing Sep 12 – Sep 26
Transplant Jan 19 – Feb 2
Fall sowing Sep 12 – Sep 26
Fall sowing Sep 12 – Sep 26
Fall sowing Oct 24 – Nov 14
Fall sowing Sep 26 – Oct 10
Plant Jan 12 – Jan 26
Based on the average last frost (Feb 9) and first frost (Dec 5). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.