When to plant in Corning, CA
Planting dates worked out from Corning's own frost records, not a generic zone chart.
Safe to plant out
Apr 6
1 year in 10 has a later frost
Average last frost
Feb 25
about a 50% chance of a later one
Average first fall frost
Nov 28
1 year in 10 by Nov 10
Frost-free days
278
median, 1991–2020
Station used: Corning California · 1.5 km away · station 90 m, town 84 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 9 – Feb 23 | Apr 6 – Apr 20 | May 31 |
| Sweet pepper | Jan 26 – Feb 9 | Apr 6 – Apr 20 | Jun 5 |
| Lettuce (leaf) | Dec 24 – Dec 31 | Jan 28 – Feb 11 | Mar 9 |
| Peas | — | Jan 14 – Feb 11 | Mar 10 |
| Bush beans | — | Mar 30 – Apr 20 | May 19 |
| Carrot | — | Feb 4 – Mar 18 | Apr 5 |
| Beet | — | Jan 28 – Mar 11 | Mar 19 |
| Potato | — | Feb 4 – Feb 25 | Apr 15 |
| Kale | Dec 17 – Dec 31 | Jan 28 – Feb 11 | Mar 12 |
| Broccoli | Dec 17 – Dec 31 | Jan 28 – Feb 18 | Mar 29 |
| Cucumber | Mar 9 – Mar 16 | Apr 6 – Apr 20 | May 26 |
| Summer squash and zucchini | Mar 9 – Mar 16 | Apr 6 – Apr 20 | May 21 |
| Winter squash | Mar 9 – Mar 16 | Apr 6 – Apr 20 | Jun 25 |
| Sweet corn | — | Mar 30 – Apr 20 | May 29 |
| Onion (from sets) | — | Jan 28 – Feb 18 | Apr 28 |
| Garlic | — | Nov 14 – Dec 12 (fall) | following summer |
| Spinach | — | Jan 14 – Feb 11 | Feb 21 |
| Basil | Feb 23 – Mar 9 | Apr 6 – Apr 20 | Jun 2 |
Corning'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 |
|---|---|
| 1999 | Apr 9 |
| 2000 | Jan 12 |
| 2001 | Apr 8 |
| 2002 | Mar 19 |
| 2003 | Apr 5 |
| 2004 | Feb 12 |
| 2005 | Jan 14 |
| 2006 | Mar 10 |
| 2007 | Feb 27 |
| 2008 | Jan 30 |
| 2009 | Mar 11 |
| 2010 | Apr 3 |
| 2011 | Mar 1 |
| 2012 | Apr 6 |
| 2013 | Feb 18 |
| 2014 | Feb 5 |
| 2017 | Feb 28 |
| 2018 | Feb 25 |
| 2019 | Feb 23 |
| 2020 | Jan 15 |
| 2021 | Jan 26 |
| 2022 | Feb 26 |
| 2023 | Mar 27 |
| 2024 | Feb 8 |
| 2025 | Feb 12 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1999 | 227 |
| 2000 | 301 |
| 2001 | 266 |
| 2002 | 286 |
| 2003 | 232 |
| 2004 | 289 |
| 2005 | 316 |
| 2006 | 259 |
| 2007 | 276 |
| 2008 | 307 |
| 2009 | 250 |
| 2010 | 234 |
| 2011 | 251 |
| 2012 | 217 |
| 2013 | 278 |
| 2014 | 324 |
| 2016 | 338 |
| 2017 | 283 |
| 2018 | 267 |
| 2019 | 278 |
| 2020 | 298 |
| 2021 | 338 |
| 2022 | 266 |
| 2023 | 244 |
| 2024 | 283 |
| 2025 | 321 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1999 | 21.7 °C |
| 2000 | 22.3 °C |
| 2001 | 23.1 °C |
| 2002 | 23.0 °C |
| 2003 | 22.6 °C |
| 2004 | 23.1 °C |
| 2005 | 22.4 °C |
| 2006 | 23.6 °C |
| 2007 | 22.9 °C |
| 2008 | 23.5 °C |
| 2009 | 23.4 °C |
| 2010 | 21.4 °C |
| 2011 | 21.7 °C |
| 2012 | 22.9 °C |
| 2013 | 23.4 °C |
| 2014 | 23.6 °C |
| 2015 | 23.4 °C |
| 2016 | 23.6 °C |
| 2017 | 24.0 °C |
| 2018 | 23.4 °C |
| 2019 | 23.3 °C |
| 2020 | 24.1 °C |
| 2021 | 24.6 °C |
| 2022 | 23.8 °C |
| 2023 | 22.9 °C |
| 2024 | 24.1 °C |
| 2025 | 23.7 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Corning California (NOAA GHCN-Daily). Years with too many missing days are left out.