When to plant in Richfield, UT

Planting dates worked out from Richfield's own frost records, not a generic zone chart.

Safe to plant out

Jun 11

1 year in 10 has a later frost

Average last frost

May 24

about a 50% chance of a later one

Average first fall frost

Sep 20

1 year in 10 by Sep 9

Frost-free days

122

median, 1991–2020

Station used: Richfield Radio Ksvc · 1.3 km away · station 1611 m, town 1632 m. How we match towns to stations

This season

Plan your garden.

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Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Apr 16 – Apr 30	Jun 11 – Jun 25	Aug 5
Sweet pepper	Apr 2 – Apr 16	Jun 11 – Jun 25	Aug 10
Lettuce (leaf)	Mar 22 – Mar 29	Apr 26 – May 10	Jun 5
Peas	—	Apr 12 – May 10	Jun 6
Bush beans	—	Jun 4 – Jun 25	Jul 24
Carrot	—	May 3 – Jun 14	Jul 2
Beet	—	Apr 26 – Jun 7	Jun 15
Potato	—	May 3 – May 24	Jul 12
Kale	Mar 15 – Mar 29	Apr 26 – May 10	Jun 8
Broccoli	Mar 15 – Mar 29	Apr 26 – May 17	Jun 25
Cucumber	May 14 – May 21	Jun 11 – Jun 25	Jul 31
Summer squash and zucchini	May 14 – May 21	Jun 11 – Jun 25	Jul 26
Winter squash	May 14 – May 21	Jun 11 – Jun 25	Aug 30
Sweet corn	—	Jun 4 – Jun 25	Aug 3
Onion (from sets)	—	Apr 26 – May 17	Jul 25
Garlic	—	Sep 6 – Oct 4 (fall)	following summer
Spinach	—	Apr 12 – May 10	May 20
Basil	Apr 30 – May 14	Jun 11 – Jun 25	Aug 7

Plan all 65 crops for Richfield

Richfield'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
1894	Jun 9
1897	Jul 9
1898	Jun 20
1900	May 13
1901	May 25
1902	Jul 2
1904	May 17
1906	Jun 24
1907	Jun 16
1908	Jul 2
1909	May 24
1910	May 17
1911	May 27
1921	Apr 29
1924	May 8
1926	May 10
1927	May 31
1928	May 5
1929	Jun 3
1930	May 23
1931	May 21
1932	Jun 9
1933	May 24
1934	Apr 18
1935	May 5
1937	Jun 1
1938	May 19
1942	May 17
1943	May 20
1944	Jun 17
1945	May 21
1946	May 29
1947	May 8
1948	May 20
1950	Jun 9
1951	Jun 4
1952	May 17
1953	May 31
1954	Jun 7
1955	Jun 3
1956	May 29
1957	Jun 17
1958	May 9
1959	May 29
1960	May 24
1961	Jun 2
1962	Jun 8
1963	May 24
1964	May 13
1965	May 27
1966	May 24
1967	May 16
1968	Jun 30
1969	Apr 29
1970	May 15
1971	May 19
1972	May 22
1973	Jun 19
1974	Jun 9
1975	Jun 26
1976	Jun 15
1977	May 21
1978	Jun 1
1979	Jun 9
1980	May 30
1981	Jun 16
1982	Jun 9
1983	May 18
1985	May 14
1986	May 23
1987	May 4
1988	May 31
1989	May 26
1990	Jun 2
1991	May 21
1992	May 10
1993	May 10
1994	May 21
1995	May 14
1996	May 5
1997	May 26
1998	May 23
1999	May 18
2000	Jul 11
2001	Jun 14
2002	Jun 10
2003	Jun 25
2004	May 12
2005	Apr 30
2007	Jun 9
2008	May 24
2009	May 9
2010	May 30
2011	May 31
2012	May 28
2013	Jun 1
2014	May 15
2015	May 10
2016	May 22
2017	May 20
2018	May 13
2019	May 26
2021	May 25
2022	Jun 1
2023	May 12
2024	May 22
2026	May 21

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1897	9
1898	77
1902	70
1908	59
1909	120
1910	138
1911	113
1926	134
1927	121
1928	130
1929	97
1930	124
1931	122
1932	121
1933	142
1934	159
1935	163
1937	115
1938	142
1942	123
1943	145
1945	122
1946	111
1947	125
1948	129
1950	101
1951	97
1952	117
1953	115
1954	100
1955	106
1956	115
1957	84
1958	135
1959	121
1960	121
1961	92
1962	83
1963	142
1964	112
1965	112
1966	113
1967	119
1968	53
1969	156
1970	122
1971	119
1972	130
1973	74
1974	94
1975	86
1976	110
1977	119
1978	103
1979	116
1980	113
1981	101
1982	94
1983	125
1985	121
1986	118
1987	136
1988	110
1989	109
1990	122
1991	117
1992	108
1993	126
1994	128
1995	130
1996	134
1997	135
1998	134
1999	131
2001	86
2002	116
2003	80
2004	114
2007	101
2008	110
2009	135
2010	103
2011	128
2012	131
2013	118
2014	139
2016	110
2018	130
2019	109
2021	118
2022	133
2023	135
2024	145

Each year's average temperature, April to SeptemberLong-term trend

See the data as a table

Year	Growing-season temperature
1897	15.2 °C
1898	14.6 °C
1900	15.3 °C
1901	15.8 °C
1902	15.5 °C
1907	16.9 °C
1908	14.4 °C
1909	15.9 °C
1910	17.6 °C
1911	16.7 °C
1915	16.0 °C
1925	17.4 °C
1926	17.7 °C
1927	16.8 °C
1928	16.9 °C
1930	16.6 °C
1931	17.6 °C
1932	16.3 °C
1933	16.4 °C
1934	18.6 °C
1935	17.2 °C
1937	17.8 °C
1938	17.7 °C
1942	17.7 °C
1943	17.8 °C
1944	16.3 °C
1945	16.1 °C
1946	17.4 °C
1947	16.9 °C
1948	17.0 °C
1950	15.1 °C
1951	15.5 °C
1952	15.9 °C
1953	15.2 °C
1954	17.1 °C
1955	15.3 °C
1956	16.1 °C
1957	15.4 °C
1958	16.1 °C
1959	16.9 °C
1960	16.7 °C
1961	16.2 °C
1962	15.8 °C
1963	16.4 °C
1964	15.8 °C
1965	14.7 °C
1966	16.7 °C
1967	15.3 °C
1968	15.2 °C
1969	17.2 °C
1970	16.0 °C
1971	15.9 °C
1972	16.4 °C
1974	16.6 °C
1975	14.7 °C
1976	16.5 °C
1977	16.9 °C
1978	16.0 °C
1979	16.2 °C
1980	16.2 °C
1981	17.4 °C
1982	15.6 °C
1983	16.1 °C
1985	16.3 °C
1986	16.1 °C
1987	16.5 °C
1989	16.6 °C
1990	17.0 °C
1991	15.9 °C
1992	17.0 °C
1993	15.7 °C
1994	17.7 °C
1995	15.8 °C
1996	16.9 °C
1997	16.5 °C
1998	15.9 °C
1999	15.7 °C
2001	17.6 °C
2002	17.2 °C
2003	17.2 °C
2004	16.9 °C
2005	16.7 °C
2007	17.6 °C
2008	16.1 °C
2009	17.1 °C
2010	16.6 °C
2011	16.4 °C
2012	18.1 °C
2014	17.3 °C
2015	16.9 °C
2016	17.2 °C
2017	18.0 °C
2018	18.4 °C
2019	16.0 °C
2021	17.3 °C
2022	17.0 °C
2023	16.4 °C
2024	17.6 °C

What this means for you: Since 1894, Richfield's last spring frost has stayed at about the same time of year. 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 Richfield Radio Ksvc (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Monroe Aurora Salina Fillmore Centerfield Gunnison