Frost Dates for Roseville, CA
In Roseville, CA, the average last spring frost is around Feb 22 and the average first fall frost around Nov 24, for a growing season of about 277 days. For frost-tender plants, wait until Apr 1, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Sacramento Metro Airport, CA weather station, 15 miles away, elevation 23 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% | Apr 1 | Nov 9 |
| 20% | Mar 17 | Nov 13 |
| 30% | Mar 5 | Nov 17 |
| 40% | Feb 28 | Nov 21 |
| 50% | Feb 22 | Nov 24 |
| 60% | Feb 14 | Nov 28 |
| 70% | Feb 4 | Dec 1 |
| 80% | Jan 27 | Dec 6 |
| 90% | Jan 10 | Dec 21 |
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) | Apr 1 | Nov 10 |
| Frost / freeze (32°F) | Feb 22 | Nov 24 |
| Hard freeze (28°F) | Jan 17 | Dec 10 |
Planting calendar for Roseville
Transplant Mar 1 – Mar 15
Transplant Mar 8 – Mar 22
Transplant Mar 8 – Mar 22
Transplant Mar 1 – Mar 15
Sow or transplant Mar 1 – Mar 15
Sow or transplant Mar 1 – Mar 15
Sow or transplant Mar 8 – Mar 22
Sow or transplant Jan 25 – Feb 8
Fall sowing Sep 29 – Oct 27
Fall sowing Sep 29 – Oct 20
Fall sowing Sep 15 – Sep 29
Sow or transplant Jan 25 – Feb 8
Fall sowing Sep 15 – Oct 13
Transplant Feb 8 – Feb 22
Fall sowing Sep 1 – Sep 15
Transplant Feb 1 – Feb 15
Fall sowing Sep 1 – Sep 15
Fall sowing Sep 1 – Sep 15
Fall sowing Oct 13 – Nov 3
Fall sowing Sep 15 – Sep 29
Plant Jan 25 – Feb 8
Based on the average last frost (Feb 22) and first frost (Nov 24). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.