When to plant in Ramona, CA
Planting dates worked out from Ramona's own frost records, not a generic zone chart.
Safe to plant out
Apr 18
1 year in 10 has a later frost
Average last frost
Mar 28
about a 50% chance of a later one
Average first fall frost
Nov 22
1 year in 10 by Oct 29
Frost-free days
241
median, 1991–2020
Station used: Ramona Ap · 4.5 km away · station 422 m, town 435 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 | Feb 21 – Mar 7 | Apr 18 – May 2 | Jun 12 |
| Sweet pepper | Feb 7 – Feb 21 | Apr 18 – May 2 | Jun 17 |
| Lettuce (leaf) | Jan 24 – Jan 31 | Feb 28 – Mar 14 | Apr 9 |
| Peas | — | Feb 14 – Mar 14 | Apr 10 |
| Bush beans | — | Apr 11 – May 2 | May 31 |
| Carrot | — | Mar 7 – Apr 18 | May 6 |
| Beet | — | Feb 28 – Apr 11 | Apr 19 |
| Potato | — | Mar 7 – Mar 28 | May 16 |
| Kale | Jan 17 – Jan 31 | Feb 28 – Mar 14 | Apr 12 |
| Broccoli | Jan 17 – Jan 31 | Feb 28 – Mar 21 | Apr 29 |
| Cucumber | Mar 21 – Mar 28 | Apr 18 – May 2 | Jun 7 |
| Summer squash and zucchini | Mar 21 – Mar 28 | Apr 18 – May 2 | Jun 2 |
| Winter squash | Mar 21 – Mar 28 | Apr 18 – May 2 | Jul 7 |
| Sweet corn | — | Apr 11 – May 2 | Jun 10 |
| Onion (from sets) | — | Feb 28 – Mar 21 | May 29 |
| Garlic | — | Nov 8 – Dec 6 (fall) | following summer |
| Spinach | — | Feb 14 – Mar 14 | Mar 24 |
| Basil | Mar 7 – Mar 21 | Apr 18 – May 2 | Jun 14 |
Ramona'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 | Apr 10 |
| 2000 | Mar 31 |
| 2001 | Feb 24 |
| 2002 | Mar 25 |
| 2003 | Apr 6 |
| 2004 | Mar 1 |
| 2005 | Apr 5 |
| 2006 | Mar 25 |
| 2007 | Apr 19 |
| 2008 | Apr 10 |
| 2009 | Apr 5 |
| 2010 | Apr 23 |
| 2011 | Apr 10 |
| 2012 | Apr 15 |
| 2013 | Apr 18 |
| 2014 | Apr 3 |
| 2015 | Mar 6 |
| 2016 | Mar 24 |
| 2017 | Feb 25 |
| 2018 | Mar 27 |
| 2019 | Feb 24 |
| 2020 | Mar 28 |
| 2021 | Mar 27 |
| 2022 | May 11 |
| 2023 | Apr 5 |
| 2024 | Apr 7 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1999 | 222 |
| 2000 | 225 |
| 2001 | 275 |
| 2002 | 259 |
| 2003 | 231 |
| 2004 | 266 |
| 2005 | 235 |
| 2006 | 247 |
| 2007 | 236 |
| 2008 | 251 |
| 2009 | 206 |
| 2010 | 200 |
| 2011 | 200 |
| 2012 | 209 |
| 2013 | 230 |
| 2014 | 266 |
| 2015 | 249 |
| 2016 | 246 |
| 2017 | 275 |
| 2018 | 250 |
| 2019 | 246 |
| 2020 | 212 |
| 2021 | 205 |
| 2022 | 176 |
| 2023 | 217 |
| 2024 | 207 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1999 | 18.0 °C |
| 2000 | 19.8 °C |
| 2001 | 19.1 °C |
| 2002 | 19.0 °C |
| 2003 | 19.1 °C |
| 2004 | 19.6 °C |
| 2005 | 19.1 °C |
| 2006 | 20.1 °C |
| 2007 | 19.6 °C |
| 2008 | 20.2 °C |
| 2009 | 19.9 °C |
| 2010 | 18.3 °C |
| 2011 | 18.7 °C |
| 2012 | 19.9 °C |
| 2013 | 20.0 °C |
| 2014 | 20.5 °C |
| 2015 | 20.4 °C |
| 2016 | 20.0 °C |
| 2017 | 20.8 °C |
| 2018 | 20.9 °C |
| 2019 | 20.0 °C |
| 2020 | 20.3 °C |
| 2021 | 20.1 °C |
| 2022 | 21.3 °C |
| 2023 | 19.5 °C |
| 2024 | 20.4 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Ramona Ap (NOAA GHCN-Daily). Years with too many missing days are left out.