When to plant in Gridley, CA
Planting dates worked out from Gridley's own frost records, not a generic zone chart.
Safe to plant out
Feb 27
1 year in 10 has a later frost
Average last frost
Feb 1
about a 50% chance of a later one
Average first fall frost
Dec 10
1 year in 10 by Nov 25
Frost-free days
310
median, 1991–2020
Station used: Oroville Muni Ap · 15.7 km away · station 57 m, town 29 m. How we match towns to stations
This season
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Jan 10 – Jan 24 | Mar 7 – Mar 21 | May 1 |
| Sweet pepper | Dec 27 – Jan 10 | Mar 7 – Mar 21 | May 6 |
| Lettuce (leaf) | Nov 30 – Dec 7 | Jan 4 – Jan 18 | Feb 13 |
| Peas | — | Dec 21 – Jan 18 | Feb 14 |
| Bush beans | — | Feb 22 – Mar 15 | Apr 13 |
| Carrot | — | Jan 11 – Feb 22 | Mar 12 |
| Beet | — | Jan 4 – Feb 15 | Feb 23 |
| Potato | — | Jan 11 – Feb 1 | Mar 22 |
| Kale | Nov 23 – Dec 7 | Jan 4 – Jan 18 | Feb 16 |
| Broccoli | Nov 23 – Dec 7 | Jan 4 – Jan 25 | Mar 5 |
| Cucumber | Feb 7 – Feb 14 | Mar 7 – Mar 21 | Apr 26 |
| Summer squash and zucchini | Feb 7 – Feb 14 | Mar 7 – Mar 21 | Apr 21 |
| Winter squash | Feb 7 – Feb 14 | Mar 7 – Mar 21 | May 26 |
| Sweet corn | — | Feb 22 – Mar 15 | Apr 23 |
| Onion (from sets) | — | Jan 4 – Jan 25 | Apr 4 |
| Garlic | — | Nov 16 – Dec 14 (fall) | following summer |
| Spinach | — | Dec 21 – Jan 18 | Jan 28 |
| Basil | Jan 24 – Feb 7 | Mar 7 – Mar 21 | May 3 |
Gridley's weather over time
How the growing season has shifted here, year by year, from the station's own records.
Each year's last spring frostLong-term trend
See the data as a table
| Year | Last spring frost |
|---|---|
| 1999 | Feb 11 |
| 2000 | Jan 7 |
| 2001 | Feb 8 |
| 2002 | Mar 8 |
| 2003 | Feb 9 |
| 2004 | Jan 5 |
| 2005 | Jan 14 |
| 2006 | Feb 22 |
| 2007 | Feb 3 |
| 2009 | Feb 10 |
| 2011 | Feb 27 |
| 2012 | Feb 27 |
| 2013 | Feb 20 |
| 2014 | Feb 1 |
| 2015 | Jan 3 |
| 2017 | Jan 16 |
| 2018 | Mar 5 |
| 2019 | Feb 22 |
| 2020 | Feb 3 |
| 2021 | Jan 26 |
| 2022 | Apr 12 |
| 2023 | Mar 1 |
| 2024 | Jan 11 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1999 | 306 |
| 2000 | 308 |
| 2001 | 325 |
| 2002 | 297 |
| 2003 | 285 |
| 2004 | 327 |
| 2005 | 316 |
| 2006 | 279 |
| 2007 | 299 |
| 2008 | 342 |
| 2009 | 298 |
| 2010 | 326 |
| 2011 | 282 |
| 2012 | 294 |
| 2013 | 286 |
| 2014 | 332 |
| 2015 | 328 |
| 2016 | 338 |
| 2017 | 338 |
| 2018 | 300 |
| 2019 | 311 |
| 2020 | 322 |
| 2021 | 324 |
| 2022 | 246 |
| 2023 | 269 |
| 2024 | 353 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1999 | 21.5 °C |
| 2000 | 22.0 °C |
| 2001 | 22.5 °C |
| 2002 | 22.4 °C |
| 2003 | 22.1 °C |
| 2004 | 22.9 °C |
| 2005 | 22.0 °C |
| 2006 | 23.1 °C |
| 2007 | 22.7 °C |
| 2008 | 22.8 °C |
| 2009 | 23.0 °C |
| 2010 | 21.2 °C |
| 2011 | 21.3 °C |
| 2012 | 22.3 °C |
| 2013 | 22.8 °C |
| 2014 | 23.8 °C |
| 2015 | 23.4 °C |
| 2016 | 23.4 °C |
| 2017 | 24.0 °C |
| 2018 | 23.0 °C |
| 2019 | 23.1 °C |
| 2020 | 24.6 °C |
| 2021 | 24.7 °C |
| 2022 | 24.1 °C |
| 2023 | 23.2 °C |
| 2024 | 24.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Oroville Muni Ap (NOAA GHCN-Daily). Years with too many missing days are left out.