When to plant in Crestline, CA
Planting dates worked out from Crestline's own frost records, not a generic zone chart.
Safe to plant out
Apr 22
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 23
1 year in 10 by Nov 3
Frost-free days
225
median, 1991–2020
Station used: Mormon Rock California · 21.6 km away · station 1006 m, town 1406 m. How we match towns to stations
The station sits 400 m lower 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 | Feb 25 – Mar 11 | Apr 22 – May 6 | Jun 16 |
| Sweet pepper | Feb 11 – Feb 25 | Apr 22 – May 6 | Jun 21 |
| Lettuce (leaf) | Jan 24 – Jan 31 | Feb 28 – Mar 14 | Apr 9 |
| Peas | — | Feb 14 – Mar 14 | Apr 10 |
| Bush beans | — | Apr 15 – May 6 | Jun 4 |
| 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 25 – Apr 1 | Apr 22 – May 6 | Jun 11 |
| Summer squash and zucchini | Mar 25 – Apr 1 | Apr 22 – May 6 | Jun 6 |
| Winter squash | Mar 25 – Apr 1 | Apr 22 – May 6 | Jul 11 |
| Sweet corn | — | Apr 15 – May 6 | Jun 14 |
| Onion (from sets) | — | Feb 28 – Mar 21 | May 29 |
| Garlic | — | Nov 9 – Dec 7 (fall) | following summer |
| Spinach | — | Feb 14 – Mar 14 | Mar 24 |
| Basil | Mar 11 – Mar 25 | Apr 22 – May 6 | Jun 18 |
Crestline'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 | Apr 19 |
| 2001 | Apr 22 |
| 2003 | Apr 6 |
| 2004 | Mar 1 |
| 2005 | Apr 20 |
| 2006 | Apr 6 |
| 2007 | Apr 19 |
| 2009 | Apr 16 |
| 2010 | Apr 23 |
| 2011 | Apr 10 |
| 2012 | Apr 5 |
| 2015 | Mar 3 |
| 2016 | Apr 26 |
| 2017 | Mar 6 |
| 2018 | Mar 18 |
| 2019 | Feb 23 |
| 2020 | Mar 28 |
| 2021 | Mar 17 |
| 2022 | Mar 7 |
| 2023 | Apr 5 |
| 2024 | Apr 6 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2000 | 194 |
| 2001 | 216 |
| 2003 | 211 |
| 2004 | 263 |
| 2005 | 220 |
| 2006 | 235 |
| 2007 | 169 |
| 2009 | 212 |
| 2010 | 199 |
| 2012 | 218 |
| 2014 | 363 |
| 2015 | 245 |
| 2016 | 234 |
| 2017 | 299 |
| 2018 | 287 |
| 2019 | 277 |
| 2020 | 225 |
| 2021 | 268 |
| 2022 | 274 |
| 2023 | 240 |
| 2024 | 222 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2000 | 20.1 °C |
| 2001 | 20.2 °C |
| 2003 | 20.7 °C |
| 2004 | 20.3 °C |
| 2005 | 20.0 °C |
| 2006 | 21.3 °C |
| 2007 | 21.3 °C |
| 2009 | 21.3 °C |
| 2010 | 20.1 °C |
| 2012 | 22.2 °C |
| 2014 | 22.0 °C |
| 2015 | 20.8 °C |
| 2016 | 21.3 °C |
| 2017 | 21.0 °C |
| 2018 | 20.2 °C |
| 2019 | 18.9 °C |
| 2020 | 20.5 °C |
| 2021 | 21.0 °C |
| 2022 | 20.9 °C |
| 2023 | 18.7 °C |
| 2024 | 20.2 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Mormon Rock California (NOAA GHCN-Daily). Years with too many missing days are left out.