When to plant in Hayfork, CA
Planting dates worked out from Hayfork's own frost records, not a generic zone chart.
Safe to plant out
May 30
1 year in 10 has a later frost
Average last frost
May 13
about a 50% chance of a later one
Average first fall frost
Sep 30
1 year in 10 by Sep 16
Frost-free days
137
median, 1991–2020
Station used: Hayfork California · 1.6 km away · station 708 m, town 704 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 | Apr 4 – Apr 18 | May 30 – Jun 13 | Jul 24 |
| Sweet pepper | Mar 21 – Apr 4 | May 30 – Jun 13 | Jul 29 |
| Lettuce (leaf) | Mar 11 – Mar 18 | Apr 15 – Apr 29 | May 25 |
| Peas | — | Apr 1 – Apr 29 | May 26 |
| Bush beans | — | May 23 – Jun 13 | Jul 12 |
| Carrot | — | Apr 22 – Jun 3 | Jun 21 |
| Beet | — | Apr 15 – May 27 | Jun 4 |
| Potato | — | Apr 22 – May 13 | Jul 1 |
| Kale | Mar 4 – Mar 18 | Apr 15 – Apr 29 | May 28 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – May 6 | Jun 14 |
| Cucumber | May 2 – May 9 | May 30 – Jun 13 | Jul 19 |
| Summer squash and zucchini | May 2 – May 9 | May 30 – Jun 13 | Jul 14 |
| Winter squash | May 2 – May 9 | May 30 – Jun 13 | Aug 18 |
| Sweet corn | — | May 23 – Jun 13 | Jul 22 |
| Onion (from sets) | — | Apr 15 – May 6 | Jul 14 |
| Garlic | — | Sep 16 – Oct 14 (fall) | following summer |
| Spinach | — | Apr 1 – Apr 29 | May 9 |
| Basil | Apr 18 – May 2 | May 30 – Jun 13 | Jul 26 |
Hayfork'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 | May 26 |
| 2000 | May 31 |
| 2001 | May 3 |
| 2002 | Jun 9 |
| 2003 | May 19 |
| 2004 | Apr 23 |
| 2005 | Apr 22 |
| 2006 | Apr 19 |
| 2007 | May 23 |
| 2008 | May 23 |
| 2009 | May 13 |
| 2010 | May 22 |
| 2011 | May 10 |
| 2012 | Jun 10 |
| 2013 | May 25 |
| 2014 | May 11 |
| 2015 | May 8 |
| 2016 | Apr 30 |
| 2017 | May 17 |
| 2018 | Apr 20 |
| 2019 | May 3 |
| 2020 | May 7 |
| 2021 | Jun 10 |
| 2022 | May 31 |
| 2023 | May 9 |
| 2024 | May 23 |
| 2025 | May 5 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1998 | 129 |
| 2000 | 115 |
| 2001 | 158 |
| 2002 | 89 |
| 2003 | 121 |
| 2004 | 149 |
| 2005 | 154 |
| 2006 | 149 |
| 2007 | 123 |
| 2008 | 122 |
| 2009 | 139 |
| 2010 | 135 |
| 2011 | 167 |
| 2012 | 118 |
| 2013 | 124 |
| 2014 | 182 |
| 2015 | 119 |
| 2016 | 175 |
| 2017 | 127 |
| 2018 | 148 |
| 2019 | 148 |
| 2020 | 149 |
| 2021 | 118 |
| 2022 | 140 |
| 2023 | 156 |
| 2024 | 146 |
| 2025 | 168 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1998 | 17.1 °C |
| 1999 | 17.3 °C |
| 2000 | 17.5 °C |
| 2001 | 17.6 °C |
| 2002 | 17.9 °C |
| 2003 | 17.7 °C |
| 2004 | 17.6 °C |
| 2005 | 17.0 °C |
| 2006 | 18.1 °C |
| 2007 | 17.3 °C |
| 2008 | 17.1 °C |
| 2009 | 17.8 °C |
| 2010 | 16.3 °C |
| 2011 | 16.6 °C |
| 2012 | 17.4 °C |
| 2013 | 17.8 °C |
| 2014 | 18.4 °C |
| 2015 | 18.0 °C |
| 2016 | 18.2 °C |
| 2017 | 18.2 °C |
| 2018 | 17.7 °C |
| 2019 | 17.5 °C |
| 2020 | 18.1 °C |
| 2021 | 18.5 °C |
| 2022 | 17.3 °C |
| 2023 | 17.5 °C |
| 2024 | 18.1 °C |
| 2025 | 18.8 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Hayfork California (NOAA GHCN-Daily). Years with too many missing days are left out.