Frost Dates for Yorba Linda, CA
In Yorba Linda, CA, the average last spring frost is around Jan 17 and the average first fall frost around Dec 19, for a growing season of about 335 days. For frost-tender plants, wait until Feb 22, when the chance of frost drops to 10%.
Based on NOAA 1991–2020 records from the Chino Airport, CA weather station, 10 miles away, elevation 650 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% | Feb 22 | Nov 27 |
| 20% | Feb 11 | Dec 5 |
| 30% | Feb 3 | Dec 10 |
| 40% | Jan 28 | Dec 14 |
| 50% | Jan 17 | Dec 19 |
| 60% | Jan 11 | Dec 23 |
| 70% | Jan 5 | Dec 28 |
| 80% | Dec 30 | Jan 2 |
| 90% | Dec 18 | Jan 17 |
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) | Feb 24 | Dec 1 |
| Frost / freeze (32°F) | Jan 17 | Dec 19 |
| Hard freeze (28°F) | Jan 3 | Dec 30 |
Planting calendar for Yorba Linda
Transplant Jan 24 – Feb 7
Transplant Jan 31 – Feb 14
Transplant Jan 31 – Feb 14
Transplant Jan 24 – Feb 7
Sow or transplant Jan 24 – Feb 7
Sow or transplant Jan 24 – Feb 7
Sow or transplant Jan 31 – Feb 14
Sow or transplant Dec 20 – Jan 3
Fall sowing Oct 24 – Nov 21
Fall sowing Oct 24 – Nov 14
Fall sowing Oct 10 – Oct 24
Sow or transplant Dec 20 – Jan 3
Fall sowing Oct 10 – Nov 7
Transplant Jan 3 – Jan 17
Fall sowing Sep 26 – Oct 10
Transplant Dec 27 – Jan 10
Fall sowing Sep 26 – Oct 10
Fall sowing Sep 26 – Oct 10
Fall sowing Nov 7 – Nov 28
Fall sowing Oct 10 – Oct 24
Plant Dec 20 – Jan 3
Based on the average last frost (Jan 17) and first frost (Dec 19). The dashed lines mark those dates. Seed packets list days to maturity; adjust for your varieties.