When to plant in Fillmore, UT

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

Safe to plant out

May 30

1 year in 10 has a later frost

Average last frost

May 8

about a 50% chance of a later one

Average first fall frost

Oct 9

1 year in 10 by Sep 21

Frost-free days

160

median, 1991–2020

Station used: Fillmore · 1.0 km away · station 1563 m, town 1565 m. How we match towns to stations

This season

Plan your garden.

Build my Fillmore plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Apr 4 – Apr 18	May 30 – Jun 13	Jul 24
Sweet pepper	Mar 21 – Apr 4	May 30 – Jun 13	Jul 29
Lettuce (leaf)	Mar 6 – Mar 13	Apr 10 – Apr 24	May 20
Peas	—	Mar 27 – Apr 24	May 21
Bush beans	—	May 23 – Jun 13	Jul 12
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	May 2 – May 9	May 30 – Jun 13	Jul 19
Summer squash and zucchini	May 2 – May 9	May 30 – Jun 13	Jul 14
Winter squash	May 2 – May 9	May 30 – Jun 13	Aug 18
Sweet corn	—	May 23 – Jun 13	Jul 22
Onion (from sets)	—	Apr 10 – May 1	Jul 9
Garlic	—	Sep 25 – Oct 23 (fall)	following summer
Spinach	—	Mar 27 – Apr 24	May 4
Basil	Apr 18 – May 2	May 30 – Jun 13	Jul 26

Plan all 65 crops for Fillmore

Fillmore'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
1893	May 27
1894	Jun 14
1895	Jun 19
1897	Jun 17
1898	Jul 2
1899	Jun 14
1900	May 19
1901	Apr 27
1902	May 20
1903	May 17
1904	May 8
1905	May 23
1906	May 17
1907	Jun 16
1908	May 20
1909	May 17
1910	Apr 16
1911	May 26
1912	May 14
1913	May 3
1914	Jun 6
1915	May 3
1916	May 25
1917	Jun 13
1918	May 28
1920	Jun 1
1921	Apr 27
1922	May 27
1923	May 1
1924	May 29
1925	Apr 25
1926	May 10
1927	May 30
1928	May 3
1929	May 27
1930	May 22
1931	May 19
1932	May 22
1933	May 13
1934	Apr 6
1935	May 4
1936	May 7
1937	May 1
1938	May 19
1939	Apr 17
1940	Apr 16
1941	May 20
1942	May 17
1943	Jun 3
1944	May 3
1945	May 20
1946	May 2
1947	Apr 25
1949	Apr 15
1950	May 19
1951	May 13
1952	Apr 15
1953	May 22
1954	Jun 2
1955	May 16
1956	May 14
1957	May 4
1958	Apr 29
1959	May 21
1960	May 22
1961	May 7
1962	May 21
1963	May 12
1964	May 9
1965	May 11
1966	May 23
1967	May 14
1968	May 17
1969	May 16
1970	May 31
1971	Jun 1
1972	May 22
1973	Jun 19
1974	May 20
1975	May 26
1976	Jun 15
1977	May 18
1978	May 6
1979	May 30
1980	May 25
1981	May 13
1982	Jun 6
1983	May 16
1984	May 7
1985	May 13
1986	May 7
1987	May 3
1988	May 30
1989	Apr 29
1990	Jun 1
1991	Apr 30
1992	Apr 24
1993	Apr 19
1994	Apr 30
1995	Jun 6
1996	Apr 29
1997	May 2
1998	Apr 27
1999	May 16
2000	May 12
2001	Jun 13
2002	May 9
2003	May 19
2004	Apr 29
2006	May 29
2007	May 5
2012	May 7
2018	Apr 19
2019	May 22
2020	Apr 16
2021	Apr 28
2022	May 12
2023	Apr 26
2024	May 9
2025	Apr 18
2026	May 24

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1893	102
1894	90
1895	87
1897	88
1898	62
1899	69
1900	121
1901	149
1902	127
1904	141
1905	117
1906	126
1907	95
1908	128
1909	127
1910	171
1911	130
1912	123
1913	143
1914	119
1915	133
1916	107
1917	92
1918	148
1920	133
1921	180
1922	142
1923	160
1924	119
1925	170
1926	137
1927	123
1928	162
1929	149
1930	144
1931	160
1932	140
1933	171
1934	170
1935	164
1936	142
1937	156
1938	151
1939	191
1940	170
1941	130
1942	124
1943	137
1944	182
1945	126
1946	138
1947	181
1949	175
1950	134
1951	161
1952	182
1953	133
1954	119
1955	132
1956	151
1957	156
1958	148
1959	129
1960	139
1961	139
1962	146
1963	171
1964	161
1965	128
1966	142
1967	145
1968	126
1969	139
1970	106
1971	108
1972	125
1973	98
1974	114
1975	134
1976	110
1977	135
1978	134
1979	142
1980	119
1981	152
1982	115
1983	126
1984	140
1985	138
1986	144
1987	169
1988	111
1989	170
1990	128
1991	176
1992	192
1993	172
1994	167
1995	107
1996	170
1998	160
1999	133
2000	171
2001	118
2002	146
2003	121
2004	182
2006	140
2007	146
2018	177
2020	144
2021	163
2022	163
2023	183
2024	160
2025	167

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

See the data as a table

Year	Growing-season temperature
1893	18.1 °C
1894	17.6 °C
1895	16.8 °C
1897	18.1 °C
1898	17.8 °C
1899	17.4 °C
1900	18.4 °C
1901	19.4 °C
1902	19.0 °C
1903	18.4 °C
1904	18.9 °C
1905	18.9 °C
1906	18.3 °C
1907	18.0 °C
1908	17.7 °C
1909	18.2 °C
1910	20.1 °C
1911	18.9 °C
1912	17.4 °C
1913	18.4 °C
1914	18.7 °C
1915	18.1 °C
1916	17.8 °C
1917	17.5 °C
1918	18.8 °C
1920	18.0 °C
1921	18.1 °C
1922	18.9 °C
1924	19.6 °C
1925	18.7 °C
1926	19.6 °C
1927	18.9 °C
1928	19.3 °C
1929	18.4 °C
1930	19.0 °C
1931	20.3 °C
1932	19.1 °C
1933	19.4 °C
1934	20.9 °C
1935	19.4 °C
1936	19.5 °C
1937	20.0 °C
1938	19.2 °C
1939	19.6 °C
1940	20.4 °C
1941	17.5 °C
1942	19.0 °C
1943	19.6 °C
1944	18.1 °C
1945	17.4 °C
1946	19.7 °C
1947	19.0 °C
1949	18.8 °C
1950	18.3 °C
1951	18.6 °C
1952	19.4 °C
1953	18.6 °C
1954	19.4 °C
1955	18.1 °C
1956	19.2 °C
1957	18.0 °C
1958	18.9 °C
1959	18.6 °C
1960	19.4 °C
1961	18.2 °C
1962	18.9 °C
1963	18.5 °C
1964	17.4 °C
1965	16.4 °C
1966	19.1 °C
1967	17.3 °C
1968	16.6 °C
1969	18.9 °C
1970	17.0 °C
1971	17.1 °C
1972	17.9 °C
1973	17.6 °C
1974	18.6 °C
1975	16.2 °C
1976	18.0 °C
1977	19.1 °C
1978	17.8 °C
1979	18.8 °C
1980	17.8 °C
1981	18.9 °C
1982	17.4 °C
1983	17.3 °C
1984	18.2 °C
1985	18.6 °C
1986	18.4 °C
1987	19.1 °C
1988	18.8 °C
1989	19.2 °C
1990	19.3 °C
1991	17.7 °C
1992	19.5 °C
1993	17.7 °C
1994	19.9 °C
1996	18.4 °C
1999	16.6 °C
2000	19.8 °C
2001	19.8 °C
2002	19.6 °C
2003	19.2 °C
2004	18.6 °C
2006	18.9 °C
2007	18.8 °C
2018	20.6 °C
2020	20.9 °C
2021	20.9 °C
2022	20.8 °C
2023	20.1 °C
2024	20.6 °C
2025	20.7 °C

What this means for you: Since 1893, Fillmore's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Fillmore (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Richfield Aurora Salina Monroe Centerfield Delta