When to plant in East Quincy, CA
Planting dates worked out from East Quincy's own frost records, not a generic zone chart.
Safe to plant out
Jun 8
1 year in 10 has a later frost
Average last frost
May 18
about a 50% chance of a later one
Average first fall frost
Oct 3
1 year in 10 by Sep 16
Frost-free days
140
median, 1991–2020
Station used: Quincy Rd California · 5.7 km away · station 1067 m, town 1064 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 13 – Apr 27 | Jun 8 – Jun 22 | Aug 2 |
| Sweet pepper | Mar 30 – Apr 13 | Jun 8 – Jun 22 | Aug 7 |
| Lettuce (leaf) | Mar 16 – Mar 23 | Apr 20 – May 4 | May 30 |
| Peas | — | Apr 6 – May 4 | May 31 |
| Bush beans | — | Jun 1 – Jun 22 | Jul 21 |
| Carrot | — | Apr 27 – Jun 8 | Jun 26 |
| Beet | — | Apr 20 – Jun 1 | Jun 9 |
| Potato | — | Apr 27 – May 18 | Jul 6 |
| Kale | Mar 9 – Mar 23 | Apr 20 – May 4 | Jun 2 |
| Broccoli | Mar 9 – Mar 23 | Apr 20 – May 11 | Jun 19 |
| Cucumber | May 11 – May 18 | Jun 8 – Jun 22 | Jul 28 |
| Summer squash and zucchini | May 11 – May 18 | Jun 8 – Jun 22 | Jul 23 |
| Winter squash | May 11 – May 18 | Jun 8 – Jun 22 | Aug 27 |
| Sweet corn | — | Jun 1 – Jun 22 | Jul 31 |
| Onion (from sets) | — | Apr 20 – May 11 | Jul 19 |
| Garlic | — | Sep 19 – Oct 17 (fall) | following summer |
| Spinach | — | Apr 6 – May 4 | May 14 |
| Basil | Apr 27 – May 11 | Jun 8 – Jun 22 | Aug 4 |
East Quincy'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 |
|---|---|
| 1990 | May 18 |
| 1991 | May 31 |
| 1992 | Apr 23 |
| 1993 | May 5 |
| 1994 | Apr 28 |
| 1995 | Jun 8 |
| 1996 | May 23 |
| 1997 | May 2 |
| 1998 | May 18 |
| 1999 | Jun 8 |
| 2000 | May 31 |
| 2001 | May 4 |
| 2002 | May 23 |
| 2003 | May 19 |
| 2004 | May 12 |
| 2005 | May 29 |
| 2006 | Apr 20 |
| 2007 | Jun 7 |
| 2008 | Jun 7 |
| 2009 | Apr 30 |
| 2010 | May 25 |
| 2011 | Jun 3 |
| 2012 | Jun 10 |
| 2013 | May 24 |
| 2014 | May 12 |
| 2015 | May 13 |
| 2016 | Apr 26 |
| 2017 | May 18 |
| 2018 | Apr 20 |
| 2019 | May 2 |
| 2020 | Jun 8 |
| 2021 | May 21 |
| 2022 | May 21 |
| 2023 | May 9 |
| 2024 | May 4 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1990 | 141 |
| 1991 | 144 |
| 1993 | 140 |
| 1994 | 158 |
| 1995 | 113 |
| 1996 | 143 |
| 1997 | 156 |
| 1998 | 139 |
| 1999 | 126 |
| 2000 | 115 |
| 2001 | 157 |
| 2002 | 106 |
| 2003 | 143 |
| 2004 | 131 |
| 2005 | 105 |
| 2006 | 148 |
| 2007 | 109 |
| 2008 | 123 |
| 2009 | 152 |
| 2010 | 152 |
| 2011 | 123 |
| 2012 | 128 |
| 2013 | 125 |
| 2014 | 142 |
| 2015 | 162 |
| 2016 | 149 |
| 2017 | 127 |
| 2018 | 148 |
| 2019 | 149 |
| 2020 | 136 |
| 2021 | 130 |
| 2022 | 153 |
| 2023 | 155 |
| 2024 | 167 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1990 | 17.1 °C |
| 1991 | 16.4 °C |
| 1993 | 16.2 °C |
| 1994 | 17.4 °C |
| 1995 | 15.8 °C |
| 1996 | 17.3 °C |
| 1997 | 17.2 °C |
| 1998 | 16.1 °C |
| 1999 | 16.6 °C |
| 2000 | 17.2 °C |
| 2001 | 18.0 °C |
| 2002 | 17.9 °C |
| 2003 | 17.2 °C |
| 2004 | 17.6 °C |
| 2005 | 16.6 °C |
| 2006 | 18.1 °C |
| 2007 | 17.3 °C |
| 2008 | 17.4 °C |
| 2009 | 17.7 °C |
| 2010 | 16.1 °C |
| 2011 | 16.2 °C |
| 2012 | 17.8 °C |
| 2013 | 18.1 °C |
| 2014 | 18.6 °C |
| 2015 | 18.2 °C |
| 2016 | 17.9 °C |
| 2017 | 18.0 °C |
| 2018 | 17.9 °C |
| 2019 | 17.0 °C |
| 2020 | 18.1 °C |
| 2021 | 18.9 °C |
| 2022 | 17.7 °C |
| 2023 | 17.1 °C |
| 2024 | 18.4 °C |
What this means for you: Since 1990, East Quincy's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Quincy Rd California (NOAA GHCN-Daily). Years with too many missing days are left out.