When to plant in Adelanto, CA
Planting dates worked out from Adelanto's own frost records, not a generic zone chart.
Safe to plant out
Apr 19
1 year in 10 has a later frost
Average last frost
Mar 23
about a 50% chance of a later one
Average first fall frost
Nov 9
1 year in 10 by Oct 18
Frost-free days
216
median, 1991–2020
Station used: El Mirage California · 14.1 km away · station 878 m, town 875 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 22 – Mar 8 | Apr 19 – May 3 | Jun 13 |
| Sweet pepper | Feb 8 – Feb 22 | Apr 19 – May 3 | Jun 18 |
| Lettuce (leaf) | Jan 19 – Jan 26 | Feb 23 – Mar 9 | Apr 4 |
| Peas | — | Feb 9 – Mar 9 | Apr 5 |
| Bush beans | — | Apr 12 – May 3 | Jun 1 |
| Carrot | — | Mar 2 – Apr 13 | May 1 |
| Beet | — | Feb 23 – Apr 6 | Apr 14 |
| Potato | — | Mar 2 – Mar 23 | May 11 |
| Kale | Jan 12 – Jan 26 | Feb 23 – Mar 9 | Apr 7 |
| Broccoli | Jan 12 – Jan 26 | Feb 23 – Mar 16 | Apr 24 |
| Cucumber | Mar 22 – Mar 29 | Apr 19 – May 3 | Jun 8 |
| Summer squash and zucchini | Mar 22 – Mar 29 | Apr 19 – May 3 | Jun 3 |
| Winter squash | Mar 22 – Mar 29 | Apr 19 – May 3 | Jul 8 |
| Sweet corn | — | Apr 12 – May 3 | Jun 11 |
| Onion (from sets) | — | Feb 23 – Mar 16 | May 24 |
| Garlic | — | Oct 26 – Nov 23 (fall) | following summer |
| Spinach | — | Feb 9 – Mar 9 | Mar 19 |
| Basil | Mar 8 – Mar 22 | Apr 19 – May 3 | Jun 15 |
Adelanto'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 |
|---|---|
| 1998 | Apr 17 |
| 1999 | Apr 10 |
| 2000 | Mar 10 |
| 2001 | Apr 13 |
| 2002 | Mar 25 |
| 2003 | Apr 4 |
| 2004 | Mar 1 |
| 2005 | Apr 23 |
| 2006 | Apr 19 |
| 2007 | Apr 19 |
| 2008 | Mar 18 |
| 2009 | Apr 6 |
| 2010 | Apr 22 |
| 2011 | Apr 9 |
| 2012 | Apr 7 |
| 2013 | Mar 11 |
| 2015 | Jan 2 |
| 2017 | Mar 7 |
| 2018 | Mar 19 |
| 2019 | Mar 15 |
| 2020 | Mar 28 |
| 2021 | Mar 27 |
| 2022 | Mar 12 |
| 2023 | Apr 6 |
| 2024 | Apr 7 |
| 2025 | Apr 3 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1998 | 183 |
| 1999 | 212 |
| 2000 | 235 |
| 2001 | 226 |
| 2002 | 222 |
| 2003 | 211 |
| 2004 | 246 |
| 2005 | 206 |
| 2006 | 190 |
| 2007 | 216 |
| 2008 | 207 |
| 2009 | 182 |
| 2010 | 188 |
| 2011 | 201 |
| 2012 | 216 |
| 2013 | 294 |
| 2014 | 363 |
| 2017 | 256 |
| 2018 | 234 |
| 2019 | 228 |
| 2020 | 224 |
| 2021 | 205 |
| 2022 | 235 |
| 2023 | 206 |
| 2024 | 205 |
| 2025 | 242 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1998 | 20.2 °C |
| 1999 | 21.4 °C |
| 2000 | 23.3 °C |
| 2001 | 23.4 °C |
| 2002 | 23.4 °C |
| 2003 | 23.1 °C |
| 2004 | 23.2 °C |
| 2005 | 21.8 °C |
| 2006 | 23.2 °C |
| 2007 | 23.5 °C |
| 2008 | 23.4 °C |
| 2009 | 23.2 °C |
| 2010 | 22.0 °C |
| 2011 | 21.9 °C |
| 2012 | 23.9 °C |
| 2013 | 25.8 °C |
| 2014 | 28.1 °C |
| 2017 | 23.4 °C |
| 2018 | 24.0 °C |
| 2019 | 22.3 °C |
| 2020 | 23.1 °C |
| 2021 | 24.6 °C |
| 2022 | 24.2 °C |
| 2023 | 22.1 °C |
| 2024 | 23.7 °C |
| 2025 | 23.2 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from El Mirage California (NOAA GHCN-Daily). Years with too many missing days are left out.