When to plant in Moreno Valley, CA
Planting dates worked out from Moreno Valley's own frost records, not a generic zone chart.
Safe to plant out
Mar 20
1 year in 10 has a later frost
Average last frost
Feb 8
about a 50% chance of a later one
Average first fall frost
Dec 17
1 year in 10 by Nov 28
Frost-free days
325
median, 1991–2020
Station used: Clark California · 9.9 km away · station 524 m, town 497 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 23 – Feb 6 | Mar 20 – Apr 3 | May 14 |
| Sweet pepper | Jan 9 – Jan 23 | Mar 20 – Apr 3 | May 19 |
| Lettuce (leaf) | Dec 7 – Dec 14 | Jan 11 – Jan 25 | Feb 20 |
| Peas | — | Dec 28 – Jan 25 | Feb 21 |
| Bush beans | — | Mar 13 – Apr 3 | May 2 |
| Carrot | — | Jan 18 – Mar 1 | Mar 19 |
| Beet | — | Jan 11 – Feb 22 | Mar 2 |
| Potato | — | Jan 18 – Feb 8 | Mar 29 |
| Kale | Nov 30 – Dec 14 | Jan 11 – Jan 25 | Feb 23 |
| Broccoli | Nov 30 – Dec 14 | Jan 11 – Feb 1 | Mar 12 |
| Cucumber | Feb 20 – Feb 27 | Mar 20 – Apr 3 | May 9 |
| Summer squash and zucchini | Feb 20 – Feb 27 | Mar 20 – Apr 3 | May 4 |
| Winter squash | Feb 20 – Feb 27 | Mar 20 – Apr 3 | Jun 8 |
| Sweet corn | — | Mar 13 – Apr 3 | May 12 |
| Onion (from sets) | — | Jan 11 – Feb 1 | Apr 11 |
| Garlic | — | Dec 3 – Dec 31 (fall) | following summer |
| Spinach | — | Dec 28 – Jan 25 | Feb 4 |
| Basil | Feb 6 – Feb 20 | Mar 20 – Apr 3 | May 16 |
Moreno Valley'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 |
|---|---|
| 2001 | Apr 9 |
| 2002 | Mar 17 |
| 2003 | Apr 3 |
| 2005 | Jan 13 |
| 2006 | Mar 12 |
| 2007 | Mar 1 |
| 2008 | Jan 17 |
| 2009 | Feb 11 |
| 2011 | Feb 27 |
| 2012 | Jan 17 |
| 2013 | Jan 15 |
| 2015 | Jan 2 |
| 2016 | Feb 2 |
| 2018 | Feb 20 |
| 2019 | Feb 18 |
| 2020 | Feb 5 |
| 2022 | Feb 24 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2001 | 232 |
| 2002 | 275 |
| 2003 | 232 |
| 2005 | 351 |
| 2006 | 279 |
| 2007 | 295 |
| 2008 | 330 |
| 2009 | 318 |
| 2010 | 363 |
| 2011 | 279 |
| 2012 | 347 |
| 2013 | 327 |
| 2014 | 361 |
| 2015 | 348 |
| 2016 | 325 |
| 2017 | 354 |
| 2018 | 313 |
| 2019 | 315 |
| 2020 | 328 |
| 2022 | 309 |
| 2023 | 363 |
| 2024 | 363 |
| 2025 | 363 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2001 | 20.5 °C |
| 2002 | 20.2 °C |
| 2003 | 20.6 °C |
| 2005 | 21.1 °C |
| 2006 | 22.7 °C |
| 2007 | 21.5 °C |
| 2008 | 21.9 °C |
| 2009 | 21.8 °C |
| 2010 | 20.3 °C |
| 2011 | 20.8 °C |
| 2012 | 22.4 °C |
| 2013 | 22.1 °C |
| 2014 | 22.5 °C |
| 2015 | 22.1 °C |
| 2016 | 22.5 °C |
| 2017 | 23.1 °C |
| 2018 | 22.8 °C |
| 2019 | 21.9 °C |
| 2020 | 23.3 °C |
| 2022 | 23.6 °C |
| 2023 | 21.3 °C |
| 2024 | 22.5 °C |
| 2025 | 22.8 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Clark California (NOAA GHCN-Daily). Years with too many missing days are left out.