When to plant in White City, UT
Planting dates worked out from White City's own frost records, not a generic zone chart.
Safe to plant out
May 14
1 year in 10 has a later frost
Average last frost
Apr 26
about a 50% chance of a later one
Average first fall frost
Oct 23
1 year in 10 by Oct 10
Frost-free days
172
median, 1991–2020
Station used: Cottonwood Weir · 9.0 km away · station 1520 m, town 1397 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 | Mar 19 – Apr 2 | May 14 – May 28 | Jul 8 |
| Sweet pepper | Mar 5 – Mar 19 | May 14 – May 28 | Jul 13 |
| Lettuce (leaf) | Feb 22 – Mar 1 | Mar 29 – Apr 12 | May 8 |
| Peas | — | Mar 15 – Apr 12 | May 9 |
| Bush beans | — | May 7 – May 28 | Jun 26 |
| Carrot | — | Apr 5 – May 17 | Jun 4 |
| Beet | — | Mar 29 – May 10 | May 18 |
| Potato | — | Apr 5 – Apr 26 | Jun 14 |
| Kale | Feb 15 – Mar 1 | Mar 29 – Apr 12 | May 11 |
| Broccoli | Feb 15 – Mar 1 | Mar 29 – Apr 19 | May 28 |
| Cucumber | Apr 16 – Apr 23 | May 14 – May 28 | Jul 3 |
| Summer squash and zucchini | Apr 16 – Apr 23 | May 14 – May 28 | Jun 28 |
| Winter squash | Apr 16 – Apr 23 | May 14 – May 28 | Aug 2 |
| Sweet corn | — | May 7 – May 28 | Jul 6 |
| Onion (from sets) | — | Mar 29 – Apr 19 | Jun 27 |
| Garlic | — | Oct 9 – Nov 6 (fall) | following summer |
| Spinach | — | Mar 15 – Apr 12 | Apr 22 |
| Basil | Apr 2 – Apr 16 | May 14 – May 28 | Jul 10 |
White City'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 |
|---|---|
| 1942 | May 12 |
| 1943 | May 12 |
| 1944 | May 2 |
| 1945 | Apr 15 |
| 1946 | Apr 10 |
| 1947 | Apr 10 |
| 1948 | May 10 |
| 1949 | Apr 14 |
| 1950 | May 8 |
| 1951 | May 13 |
| 1952 | Apr 15 |
| 1953 | May 11 |
| 1954 | May 2 |
| 1955 | May 15 |
| 1956 | May 14 |
| 1957 | Apr 25 |
| 1958 | Apr 26 |
| 1959 | Apr 21 |
| 1960 | May 22 |
| 1961 | May 5 |
| 1962 | Apr 30 |
| 1963 | Apr 23 |
| 1966 | May 23 |
| 1967 | May 13 |
| 1968 | May 7 |
| 1969 | Apr 30 |
| 1970 | May 14 |
| 1971 | May 17 |
| 1972 | Apr 30 |
| 1973 | Apr 21 |
| 1974 | Apr 10 |
| 1976 | Apr 27 |
| 1977 | May 16 |
| 1978 | May 7 |
| 1979 | May 9 |
| 1980 | Apr 13 |
| 1981 | May 8 |
| 1982 | Apr 21 |
| 1983 | May 13 |
| 1984 | Apr 29 |
| 1985 | Apr 24 |
| 1987 | Apr 20 |
| 1988 | May 6 |
| 1989 | Apr 26 |
| 1990 | May 8 |
| 1991 | Apr 30 |
| 1992 | Mar 9 |
| 1993 | Apr 13 |
| 1994 | Mar 24 |
| 1995 | May 13 |
| 1996 | Apr 28 |
| 1997 | May 2 |
| 1998 | Apr 18 |
| 1999 | May 4 |
| 2000 | May 12 |
| 2001 | Apr 13 |
| 2002 | May 8 |
| 2004 | Apr 20 |
| 2005 | May 12 |
| 2006 | Apr 19 |
| 2007 | Apr 19 |
| 2008 | May 1 |
| 2009 | Apr 17 |
| 2010 | May 24 |
| 2011 | May 30 |
| 2012 | Apr 7 |
| 2013 | May 4 |
| 2014 | Apr 3 |
| 2015 | Apr 26 |
| 2016 | Apr 16 |
| 2017 | May 18 |
| 2018 | Apr 30 |
| 2019 | May 1 |
| 2020 | Apr 23 |
| 2021 | Apr 20 |
| 2022 | Apr 30 |
| 2023 | Apr 20 |
| 2024 | May 9 |
| 2025 | Apr 19 |
| 2026 | Apr 25 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1942 | 168 |
| 1943 | 159 |
| 1944 | 194 |
| 1945 | 165 |
| 1946 | 179 |
| 1947 | 196 |
| 1948 | 160 |
| 1949 | 186 |
| 1950 | 144 |
| 1951 | 160 |
| 1952 | 200 |
| 1953 | 162 |
| 1954 | 166 |
| 1955 | 143 |
| 1956 | 161 |
| 1958 | 177 |
| 1959 | 159 |
| 1960 | 144 |
| 1961 | 155 |
| 1962 | 168 |
| 1963 | 191 |
| 1966 | 142 |
| 1968 | 153 |
| 1969 | 155 |
| 1970 | 133 |
| 1971 | 122 |
| 1972 | 147 |
| 1973 | 157 |
| 1974 | 214 |
| 1976 | 174 |
| 1977 | 168 |
| 1978 | 133 |
| 1979 | 173 |
| 1980 | 184 |
| 1981 | 159 |
| 1982 | 170 |
| 1983 | 178 |
| 1984 | 168 |
| 1985 | 180 |
| 1987 | 204 |
| 1988 | 191 |
| 1989 | 182 |
| 1990 | 161 |
| 1991 | 176 |
| 1992 | 238 |
| 1993 | 199 |
| 1994 | 218 |
| 1995 | 161 |
| 1996 | 171 |
| 1997 | 163 |
| 1998 | 168 |
| 1999 | 164 |
| 2000 | 173 |
| 2002 | 156 |
| 2004 | 193 |
| 2005 | 184 |
| 2006 | 181 |
| 2007 | 184 |
| 2008 | 161 |
| 2009 | 166 |
| 2010 | 155 |
| 2011 | 148 |
| 2012 | 199 |
| 2013 | 163 |
| 2014 | 213 |
| 2015 | 194 |
| 2016 | 214 |
| 2017 | 149 |
| 2018 | 166 |
| 2019 | 161 |
| 2020 | 182 |
| 2021 | 210 |
| 2022 | 176 |
| 2023 | 189 |
| 2024 | 135 |
| 2025 | 182 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1942 | 19.4 °C |
| 1943 | 20.7 °C |
| 1944 | 19.0 °C |
| 1945 | 18.5 °C |
| 1946 | 20.2 °C |
| 1947 | 19.7 °C |
| 1948 | 20.1 °C |
| 1949 | 20.4 °C |
| 1950 | 19.0 °C |
| 1951 | 19.4 °C |
| 1952 | 20.2 °C |
| 1953 | 19.5 °C |
| 1954 | 20.7 °C |
| 1955 | 19.7 °C |
| 1956 | 20.8 °C |
| 1957 | 20.2 °C |
| 1958 | 21.2 °C |
| 1959 | 19.9 °C |
| 1960 | 21.4 °C |
| 1961 | 20.6 °C |
| 1962 | 20.4 °C |
| 1963 | 19.9 °C |
| 1968 | 17.8 °C |
| 1969 | 20.8 °C |
| 1970 | 18.3 °C |
| 1971 | 19.1 °C |
| 1972 | 19.0 °C |
| 1973 | 19.2 °C |
| 1974 | 20.0 °C |
| 1976 | 19.2 °C |
| 1977 | 20.1 °C |
| 1978 | 18.8 °C |
| 1979 | 20.1 °C |
| 1981 | 20.2 °C |
| 1982 | 18.6 °C |
| 1983 | 18.0 °C |
| 1984 | 18.7 °C |
| 1985 | 20.0 °C |
| 1987 | 20.4 °C |
| 1988 | 20.6 °C |
| 1989 | 20.4 °C |
| 1990 | 20.4 °C |
| 1991 | 18.8 °C |
| 1992 | 21.1 °C |
| 1993 | 18.7 °C |
| 1994 | 21.9 °C |
| 1995 | 19.3 °C |
| 1996 | 20.5 °C |
| 1997 | 20.1 °C |
| 1998 | 19.1 °C |
| 1999 | 19.5 °C |
| 2000 | 21.4 °C |
| 2001 | 21.1 °C |
| 2002 | 20.5 °C |
| 2004 | 19.2 °C |
| 2005 | 18.8 °C |
| 2006 | 20.1 °C |
| 2007 | 21.0 °C |
| 2008 | 19.3 °C |
| 2009 | 19.5 °C |
| 2010 | 18.5 °C |
| 2011 | 18.1 °C |
| 2012 | 21.0 °C |
| 2013 | 19.9 °C |
| 2014 | 19.9 °C |
| 2015 | 20.6 °C |
| 2016 | 20.5 °C |
| 2017 | 20.1 °C |
| 2018 | 21.4 °C |
| 2019 | 19.6 °C |
| 2020 | 20.4 °C |
| 2021 | 21.1 °C |
| 2022 | 20.6 °C |
| 2023 | 19.7 °C |
| 2024 | 19.7 °C |
| 2025 | 20.8 °C |
What this means for you: Since 1942, White City's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 2 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Cottonwood Weir (NOAA GHCN-Daily). Years with too many missing days are left out.