When to plant in Ferron, UT
Planting dates worked out from Ferron's own frost records, not a generic zone chart.
Safe to plant out
May 31
1 year in 10 has a later frost
Average last frost
May 12
about a 50% chance of a later one
Average first fall frost
Oct 5
1 year in 10 by Sep 24
Frost-free days
148
median, 1991–2020
Station used: Ferron · 1.5 km away · station 1814 m, town 1820 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 5 – Apr 19 | May 31 – Jun 14 | Jul 25 |
| Sweet pepper | Mar 22 – Apr 5 | May 31 – Jun 14 | Jul 30 |
| Lettuce (leaf) | Mar 10 – Mar 17 | Apr 14 – Apr 28 | May 24 |
| Peas | — | Mar 31 – Apr 28 | May 25 |
| Bush beans | — | May 24 – Jun 14 | Jul 13 |
| Carrot | — | Apr 21 – Jun 2 | Jun 20 |
| Beet | — | Apr 14 – May 26 | Jun 3 |
| Potato | — | Apr 21 – May 12 | Jun 30 |
| Kale | Mar 3 – Mar 17 | Apr 14 – Apr 28 | May 27 |
| Broccoli | Mar 3 – Mar 17 | Apr 14 – May 5 | Jun 13 |
| Cucumber | May 3 – May 10 | May 31 – Jun 14 | Jul 20 |
| Summer squash and zucchini | May 3 – May 10 | May 31 – Jun 14 | Jul 15 |
| Winter squash | May 3 – May 10 | May 31 – Jun 14 | Aug 19 |
| Sweet corn | — | May 24 – Jun 14 | Jul 23 |
| Onion (from sets) | — | Apr 14 – May 5 | Jul 13 |
| Garlic | — | Sep 21 – Oct 19 (fall) | following summer |
| Spinach | — | Mar 31 – Apr 28 | May 8 |
| Basil | Apr 19 – May 3 | May 31 – Jun 14 | Jul 27 |
Ferron'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 |
|---|---|
| 1898 | May 5 |
| 1949 | May 1 |
| 1950 | May 10 |
| 1952 | Apr 16 |
| 1953 | May 29 |
| 1954 | May 28 |
| 1955 | Jun 2 |
| 1956 | Apr 11 |
| 1957 | May 12 |
| 1958 | Apr 29 |
| 1959 | May 20 |
| 1960 | May 24 |
| 1961 | May 7 |
| 1962 | May 18 |
| 1963 | May 12 |
| 1964 | May 9 |
| 1965 | May 9 |
| 1966 | May 12 |
| 1967 | May 13 |
| 1968 | Jun 30 |
| 1969 | Apr 27 |
| 1971 | May 19 |
| 1972 | May 3 |
| 1973 | Jun 19 |
| 1976 | Jun 15 |
| 1977 | May 20 |
| 1978 | May 7 |
| 1979 | Jun 19 |
| 1980 | May 27 |
| 1981 | May 14 |
| 1982 | Jun 6 |
| 1983 | May 15 |
| 1984 | May 9 |
| 1985 | Apr 27 |
| 1986 | May 23 |
| 1987 | May 27 |
| 1988 | May 31 |
| 1989 | May 20 |
| 1990 | Jun 2 |
| 1991 | May 19 |
| 1992 | May 10 |
| 1993 | May 9 |
| 1994 | May 8 |
| 1995 | Jun 9 |
| 1996 | Apr 30 |
| 1997 | May 3 |
| 1998 | May 15 |
| 1999 | May 17 |
| 2000 | May 12 |
| 2001 | Jun 13 |
| 2002 | Jun 10 |
| 2003 | May 19 |
| 2004 | Apr 23 |
| 2005 | May 1 |
| 2006 | May 29 |
| 2007 | May 7 |
| 2008 | May 13 |
| 2009 | Apr 27 |
| 2010 | May 23 |
| 2011 | May 10 |
| 2012 | Apr 29 |
| 2013 | May 2 |
| 2014 | May 14 |
| 2015 | May 16 |
| 2016 | Apr 27 |
| 2017 | May 19 |
| 2018 | May 2 |
| 2019 | May 1 |
| 2021 | May 11 |
| 2022 | May 23 |
| 2023 | Apr 24 |
| 2024 | May 24 |
| 2025 | May 20 |
| 2026 | May 19 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1898 | 149 |
| 1949 | 159 |
| 1950 | 144 |
| 1952 | 181 |
| 1953 | 145 |
| 1954 | 138 |
| 1955 | 115 |
| 1956 | 184 |
| 1957 | 131 |
| 1958 | 148 |
| 1959 | 130 |
| 1960 | 140 |
| 1961 | 139 |
| 1962 | 155 |
| 1963 | 153 |
| 1964 | 163 |
| 1965 | 130 |
| 1966 | 154 |
| 1967 | 146 |
| 1968 | 82 |
| 1969 | 158 |
| 1971 | 121 |
| 1973 | 74 |
| 1976 | 110 |
| 1977 | 133 |
| 1978 | 134 |
| 1979 | 123 |
| 1980 | 117 |
| 1981 | 147 |
| 1982 | 99 |
| 1983 | 127 |
| 1984 | 138 |
| 1985 | 148 |
| 1986 | 129 |
| 1987 | 142 |
| 1988 | 110 |
| 1989 | 137 |
| 1990 | 127 |
| 1991 | 138 |
| 1992 | 138 |
| 1993 | 152 |
| 1994 | 160 |
| 1995 | 103 |
| 1996 | 141 |
| 1997 | 161 |
| 1998 | 143 |
| 1999 | 133 |
| 2000 | 134 |
| 2001 | 118 |
| 2002 | 123 |
| 2003 | 144 |
| 2004 | 173 |
| 2005 | 162 |
| 2006 | 110 |
| 2007 | 145 |
| 2008 | 150 |
| 2009 | 157 |
| 2010 | 155 |
| 2011 | 149 |
| 2012 | 160 |
| 2013 | 148 |
| 2014 | 140 |
| 2015 | 164 |
| 2016 | 159 |
| 2017 | 127 |
| 2018 | 164 |
| 2019 | 156 |
| 2022 | 153 |
| 2023 | 174 |
| 2024 | 159 |
| 2025 | 149 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1898 | 19.1 °C |
| 1949 | 16.7 °C |
| 1950 | 16.4 °C |
| 1951 | 17.0 °C |
| 1952 | 17.1 °C |
| 1953 | 16.6 °C |
| 1954 | 18.0 °C |
| 1955 | 16.6 °C |
| 1956 | 17.4 °C |
| 1957 | 15.8 °C |
| 1958 | 17.5 °C |
| 1959 | 17.0 °C |
| 1960 | 17.8 °C |
| 1961 | 16.8 °C |
| 1962 | 17.0 °C |
| 1963 | 17.1 °C |
| 1964 | 16.4 °C |
| 1965 | 15.1 °C |
| 1966 | 17.4 °C |
| 1967 | 16.0 °C |
| 1968 | 15.1 °C |
| 1969 | 17.2 °C |
| 1970 | 15.9 °C |
| 1971 | 16.3 °C |
| 1972 | 16.6 °C |
| 1973 | 15.9 °C |
| 1974 | 17.0 °C |
| 1976 | 16.4 °C |
| 1977 | 17.4 °C |
| 1978 | 16.4 °C |
| 1979 | 17.0 °C |
| 1980 | 16.2 °C |
| 1981 | 17.5 °C |
| 1982 | 15.9 °C |
| 1983 | 15.8 °C |
| 1984 | 16.9 °C |
| 1985 | 17.5 °C |
| 1986 | 17.0 °C |
| 1987 | 17.6 °C |
| 1988 | 17.5 °C |
| 1989 | 17.8 °C |
| 1990 | 18.2 °C |
| 1991 | 16.8 °C |
| 1992 | 18.1 °C |
| 1993 | 16.7 °C |
| 1994 | 18.7 °C |
| 1995 | 16.4 °C |
| 1996 | 18.1 °C |
| 1997 | 17.1 °C |
| 1998 | 17.3 °C |
| 1999 | 16.6 °C |
| 2000 | 18.9 °C |
| 2001 | 18.8 °C |
| 2002 | 19.1 °C |
| 2003 | 19.1 °C |
| 2004 | 18.0 °C |
| 2005 | 17.6 °C |
| 2006 | 18.5 °C |
| 2007 | 18.9 °C |
| 2008 | 17.4 °C |
| 2009 | 18.0 °C |
| 2010 | 17.5 °C |
| 2011 | 17.0 °C |
| 2012 | 19.3 °C |
| 2013 | 18.3 °C |
| 2014 | 18.0 °C |
| 2015 | 18.1 °C |
| 2016 | 18.1 °C |
| 2017 | 18.4 °C |
| 2018 | 19.7 °C |
| 2019 | 18.2 °C |
| 2022 | 18.2 °C |
| 2023 | 17.3 °C |
| 2024 | 17.8 °C |
| 2025 | 17.4 °C |
What this means for you: Since 1898, Ferron's last spring frost has stayed at about the same time of year. The frost-free season has grown by about 1 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Ferron (NOAA GHCN-Daily). Years with too many missing days are left out.