When to plant in Willard, UT
Planting dates worked out from Willard's own frost records, not a generic zone chart.
Last spring frost
- Early · riskyApr 209 years in 10 still get a later frost
- TypicalMay 8about half of years get a later frost
- Safe to plant outMay 251 year in 10 gets a later frost
Hardy crops like peas and spinach are timed from the typical date. Wait for the safe date before planting out tomatoes, peppers and squash.
First fall frost
- EarlySep 181 year in 10 has frost by then
- TypicalOct 2about half of years have had frost
- LateOct 149 years in 10 have had frost by then
A typical year has 146 frost-free days. Plan for tender crops to be ripe by the early date.
Station used: Brigham City Waste Plt · 12.8 km away · station 1292 m, town 1326 m. How we match towns to stations
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Mar 30 – Apr 13 | May 25 – Jun 8 | Jul 19 |
| Sweet pepper | Mar 16 – Mar 30 | May 25 – Jun 8 | Jul 24 |
| Lettuce (leaf) | Mar 6 – Mar 13 | Apr 10 – Apr 24 | May 20 |
| Peas | — | Mar 27 – Apr 24 | May 21 |
| Bush beans | — | May 18 – Jun 8 | Jul 7 |
| Carrot | — | Apr 17 – May 29 | Jun 16 |
| Beet | — | Apr 10 – May 22 | May 30 |
| Potato | — | Apr 17 – May 8 | Jun 26 |
| Kale | Feb 27 – Mar 13 | Apr 10 – Apr 24 | May 23 |
| Broccoli | Feb 27 – Mar 13 | Apr 10 – May 1 | Jun 9 |
| Cucumber | Apr 27 – May 4 | May 25 – Jun 8 | Jul 14 |
| Summer squash and zucchini | Apr 27 – May 4 | May 25 – Jun 8 | Jul 9 |
| Winter squash | Apr 27 – May 4 | May 25 – Jun 8 | Aug 13 |
| Sweet corn | — | May 18 – Jun 8 | Jul 17 |
| Onion (from sets) | — | Apr 10 – May 1 | Jul 9 |
| Garlic | — | Sep 18 – Oct 16 (fall) | following summer |
| Spinach | — | Mar 27 – Apr 24 | May 4 |
| Basil | Apr 13 – Apr 27 | May 25 – Jun 8 | Jul 21 |
Willard's weather over time
How the growing season has shifted here, year by year, from the station's own records.
See the data as a table
| Year | Last spring frost |
|---|---|
| 1975 | May 21 |
| 1976 | Apr 26 |
| 1980 | Apr 23 |
| 1981 | May 13 |
| 1982 | May 6 |
| 1983 | May 16 |
| 1984 | May 7 |
| 1986 | May 23 |
| 1988 | May 3 |
| 1989 | May 25 |
| 1990 | May 26 |
| 1991 | May 5 |
| 1992 | Apr 24 |
| 1993 | May 9 |
| 1994 | Apr 29 |
| 1995 | Jun 6 |
| 1996 | May 24 |
| 1997 | May 3 |
| 1998 | Apr 19 |
| 1999 | May 17 |
| 2000 | May 12 |
| 2001 | May 7 |
| 2002 | Jun 10 |
| 2003 | May 19 |
| 2004 | Apr 28 |
| 2005 | Apr 12 |
| 2006 | May 11 |
| 2007 | May 23 |
| 2008 | May 10 |
| 2010 | May 9 |
| 2011 | May 5 |
| 2012 | May 11 |
| 2013 | May 3 |
| 2014 | May 1 |
| 2015 | Apr 17 |
| 2016 | May 27 |
| 2017 | May 18 |
| 2018 | May 2 |
| 2019 | May 2 |
| 2020 | Apr 20 |
| 2021 | May 11 |
| 2022 | May 23 |
| 2023 | Apr 26 |
| 2024 | May 8 |
| 2025 | Apr 19 |
| 2026 | May 19 |
See the data as a table
| Year | Frost-free days |
|---|---|
| 1976 | 165 |
| 1980 | 172 |
| 1981 | 160 |
| 1982 | 152 |
| 1983 | 127 |
| 1984 | 140 |
| 1988 | 137 |
| 1989 | 131 |
| 1990 | 134 |
| 1991 | 152 |
| 1992 | 154 |
| 1993 | 127 |
| 1994 | 172 |
| 1995 | 107 |
| 1996 | 116 |
| 1998 | 168 |
| 1999 | 132 |
| 2000 | 134 |
| 2001 | 155 |
| 2002 | 123 |
| 2003 | 121 |
| 2004 | 146 |
| 2005 | 141 |
| 2006 | 129 |
| 2007 | 124 |
| 2008 | 152 |
| 2010 | 155 |
| 2011 | 156 |
| 2012 | 145 |
| 2013 | 147 |
| 2014 | 165 |
| 2015 | 193 |
| 2016 | 131 |
| 2017 | 136 |
| 2018 | 162 |
| 2019 | 150 |
| 2020 | 178 |
| 2021 | 141 |
| 2022 | 153 |
| 2023 | 183 |
| 2024 | 169 |
| 2025 | 184 |
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1975 | 16.0 °C |
| 1976 | 18.3 °C |
| 1980 | 16.7 °C |
| 1981 | 19.0 °C |
| 1982 | 16.9 °C |
| 1983 | 16.9 °C |
| 1984 | 17.0 °C |
| 1986 | 17.1 °C |
| 1988 | 18.1 °C |
| 1989 | 17.8 °C |
| 1990 | 18.5 °C |
| 1991 | 17.1 °C |
| 1992 | 18.5 °C |
| 1993 | 16.4 °C |
| 1994 | 19.0 °C |
| 1996 | 16.6 °C |
| 1998 | 17.7 °C |
| 2002 | 18.2 °C |
| 2003 | 18.4 °C |
| 2004 | 17.5 °C |
| 2005 | 17.2 °C |
| 2006 | 18.0 °C |
| 2007 | 17.8 °C |
| 2008 | 16.2 °C |
| 2010 | 15.9 °C |
| 2011 | 16.3 °C |
| 2012 | 17.9 °C |
| 2013 | 17.7 °C |
| 2014 | 17.5 °C |
| 2015 | 17.8 °C |
| 2016 | 18.0 °C |
| 2017 | 17.9 °C |
| 2018 | 18.3 °C |
| 2019 | 17.4 °C |
| 2020 | 18.0 °C |
| 2021 | 18.7 °C |
| 2022 | 18.0 °C |
| 2023 | 17.9 °C |
| 2024 | 18.6 °C |
| 2025 | 18.9 °C |
| 2026 | 19.0 °C |
What this means for you: Since 1975, Willard's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 4 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Brigham City Waste Plt (NOAA GHCN-Daily). Years with too many missing days are left out.