When to plant in Cedar Ridge, CA
Planting dates worked out from Cedar Ridge's own frost records, not a generic zone chart.
Safe to plant out
May 27
1 year in 10 has a later frost
Average last frost
May 2
about a 50% chance of a later one
Average first fall frost
Nov 7
1 year in 10 by Oct 12
Frost-free days
188
median, 1991–2020
Station used: Mount Elizabeth California · 2.6 km away · station 1504 m, town 1133 m. How we match towns to stations
The station sits 371 m higher than the town, so frost dates here may be off by a week or more. Check them against local experience.
This season
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Apr 1 – Apr 15 | May 27 – Jun 10 | Jul 21 |
| Sweet pepper | Mar 18 – Apr 1 | May 27 – Jun 10 | Jul 26 |
| Lettuce (leaf) | Feb 28 – Mar 7 | Apr 4 – Apr 18 | May 14 |
| Peas | — | Mar 21 – Apr 18 | May 15 |
| Bush beans | — | May 20 – Jun 10 | Jul 9 |
| Carrot | — | Apr 11 – May 23 | Jun 10 |
| Beet | — | Apr 4 – May 16 | May 24 |
| Potato | — | Apr 11 – May 2 | Jun 20 |
| Kale | Feb 21 – Mar 7 | Apr 4 – Apr 18 | May 17 |
| Broccoli | Feb 21 – Mar 7 | Apr 4 – Apr 25 | Jun 3 |
| Cucumber | Apr 29 – May 6 | May 27 – Jun 10 | Jul 16 |
| Summer squash and zucchini | Apr 29 – May 6 | May 27 – Jun 10 | Jul 11 |
| Winter squash | Apr 29 – May 6 | May 27 – Jun 10 | Aug 15 |
| Sweet corn | — | May 20 – Jun 10 | Jul 19 |
| Onion (from sets) | — | Apr 4 – Apr 25 | Jul 3 |
| Garlic | — | Oct 24 – Nov 21 (fall) | following summer |
| Spinach | — | Mar 21 – Apr 18 | Apr 28 |
| Basil | Apr 15 – Apr 29 | May 27 – Jun 10 | Jul 23 |
Cedar Ridge'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 |
|---|---|
| 2000 | May 11 |
| 2001 | Apr 20 |
| 2002 | May 21 |
| 2003 | May 9 |
| 2004 | Apr 19 |
| 2005 | May 10 |
| 2006 | May 27 |
| 2007 | May 4 |
| 2008 | Apr 24 |
| 2009 | Apr 28 |
| 2010 | May 28 |
| 2011 | May 29 |
| 2012 | Apr 14 |
| 2013 | Apr 17 |
| 2014 | Apr 26 |
| 2015 | May 7 |
| 2016 | Apr 23 |
| 2017 | Apr 14 |
| 2018 | Apr 17 |
| 2019 | May 20 |
| 2020 | Apr 7 |
| 2021 | Apr 26 |
| 2022 | May 11 |
| 2023 | May 2 |
| 2024 | May 5 |
| 2025 | Apr 27 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2000 | 171 |
| 2001 | 205 |
| 2002 | 208 |
| 2003 | 173 |
| 2004 | 183 |
| 2005 | 199 |
| 2006 | 181 |
| 2007 | 153 |
| 2008 | 169 |
| 2009 | 158 |
| 2010 | 165 |
| 2011 | 157 |
| 2012 | 191 |
| 2013 | 193 |
| 2014 | 188 |
| 2015 | 180 |
| 2016 | 206 |
| 2017 | 226 |
| 2018 | 227 |
| 2019 | 188 |
| 2020 | 212 |
| 2021 | 173 |
| 2022 | 174 |
| 2023 | 242 |
| 2024 | 189 |
| 2025 | 243 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2000 | 18.0 °C |
| 2001 | 18.7 °C |
| 2002 | 18.5 °C |
| 2003 | 18.1 °C |
| 2004 | 18.6 °C |
| 2005 | 17.3 °C |
| 2006 | 18.4 °C |
| 2007 | 18.3 °C |
| 2008 | 19.3 °C |
| 2009 | 19.2 °C |
| 2010 | 17.0 °C |
| 2011 | 17.1 °C |
| 2012 | 19.5 °C |
| 2013 | 19.4 °C |
| 2014 | 19.8 °C |
| 2015 | 19.2 °C |
| 2016 | 19.5 °C |
| 2017 | 19.6 °C |
| 2018 | 19.8 °C |
| 2019 | 18.3 °C |
| 2020 | 19.9 °C |
| 2021 | 21.5 °C |
| 2022 | 20.2 °C |
| 2023 | 18.5 °C |
| 2024 | 20.8 °C |
| 2025 | 19.7 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Mount Elizabeth California (NOAA GHCN-Daily). Years with too many missing days are left out.