When to plant in Heber City, UT

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

Safe to plant out

Jun 13

1 year in 10 has a later frost

Average last frost

May 28

about a 50% chance of a later one

Average first fall frost

Sep 23

1 year in 10 by Sep 9

Frost-free days

115

median, 1991–2020

Station used: Heber · 2.0 km away · station 1704 m, town 1707 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 18 – May 2	Jun 13 – Jun 27	Aug 7
Sweet pepper	Apr 4 – Apr 18	Jun 13 – Jun 27	Aug 12
Lettuce (leaf)	Mar 26 – Apr 2	Apr 30 – May 14	Jun 9
Peas	—	Apr 16 – May 14	Jun 10
Bush beans	—	Jun 6 – Jun 27	Jul 26
Carrot	—	May 7 – Jun 18	Jul 6
Beet	—	Apr 30 – Jun 11	Jun 19
Potato	—	May 7 – May 28	Jul 16
Kale	Mar 19 – Apr 2	Apr 30 – May 14	Jun 12
Broccoli	Mar 19 – Apr 2	Apr 30 – May 21	Jun 29
Cucumber	May 16 – May 23	Jun 13 – Jun 27	Aug 2
Summer squash and zucchini	May 16 – May 23	Jun 13 – Jun 27	Jul 28
Winter squash	May 16 – May 23	Jun 13 – Jun 27	Sep 1
Sweet corn	—	Jun 6 – Jun 27	Aug 5
Onion (from sets)	—	Apr 30 – May 21	Jul 29
Garlic	—	Sep 9 – Oct 7 (fall)	following summer
Spinach	—	Apr 16 – May 14	May 24
Basil	May 2 – May 16	Jun 13 – Jun 27	Aug 9

Plan all 65 crops for Heber City

Heber 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
1894	Jun 14
1895	Jun 21
1896	Jun 12
1897	Jul 10
1898	Jun 6
1899	Jun 15
1900	May 22
1901	Jul 5
1902	Jul 9
1903	Jul 5
1904	Jun 26
1905	Jun 18
1906	Jun 23
1907	Jun 23
1908	Jun 29
1909	Jun 10
1910	Jun 9
1911	Jul 9
1912	Jun 19
1913	Jun 11
1914	Jun 27
1915	Jun 21
1916	Jun 22
1917	Jun 13
1918	Jun 30
1919	Jun 3
1920	Jun 21
1922	May 28
1923	Jun 14
1924	Jun 21
1925	Jun 12
1926	Jun 17
1927	Jun 3
1928	Jul 7
1929	Jun 20
1930	Jun 15
1931	Jul 7
1932	Jul 5
1933	May 29
1934	Jun 27
1935	Jun 3
1936	Jun 9
1937	Jun 13
1938	May 23
1940	Jun 9
1941	Jun 28
1942	Jun 28
1943	Jun 15
1944	May 26
1945	Jun 28
1946	Jun 25
1947	Jun 30
1948	May 23
1949	Jun 2
1950	Jun 26
1951	Jun 11
1952	Jun 17
1953	Jun 25
1954	Jun 12
1956	Jun 6
1957	May 26
1958	May 13
1960	Jun 22
1961	Jun 2
1962	Jun 17
1963	Jun 8
1964	May 18
1965	Jun 18
1966	Jun 6
1967	May 16
1968	Jun 30
1969	May 16
1970	May 31
1971	Jun 12
1972	May 25
1973	Jun 20
1974	Jun 9
1977	May 29
1978	Jun 1
1979	Jun 9
1980	Jun 16
1981	Jun 16
1982	Jun 10
1983	Jun 14
1984	Jun 12
1985	May 30
1986	May 23
1987	Jun 2
1988	May 21
1989	May 27
1990	Jun 2
1991	May 20
1992	May 11
1993	Jun 24
1994	Jun 9
1995	Jun 7
1996	May 24
1997	May 8
1998	May 23
1999	May 18
2000	Jun 1
2001	Jun 13
2002	Jun 11
2003	May 20
2004	May 26
2006	May 29
2007	Apr 17
2009	May 9
2010	Jun 17
2011	Jun 11
2012	Jun 11

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1894	91
1897	8
1899	63
1900	83
1901	60
1902	52
1903	52
1904	56
1905	87
1907	48
1908	62
1909	93
1910	76
1911	46
1912	77
1913	96
1914	56
1915	79
1916	79
1917	92
1918	52
1919	108
1920	69
1922	102
1923	74
1924	58
1925	89
1926	75
1927	99
1928	26
1929	80
1930	88
1931	51
1932	56
1933	83
1934	67
1935	59
1936	97
1937	88
1938	84
1940	114
1941	63
1942	76
1943	76
1944	112
1945	70
1946	75
1947	72
1948	66
1949	77
1950	34
1951	89
1952	87
1953	70
1954	95
1957	105
1958	125
1960	55
1961	92
1962	67
1963	126
1964	94
1965	73
1966	116
1967	119
1968	65
1969	128
1970	101
1971	94
1972	111
1977	111
1978	104
1979	94
1980	64
1981	101
1982	93
1983	97
1984	101
1985	74
1986	110
1987	106
1988	116
1989	106
1990	126
1991	117
1992	106
1993	80
1994	97
1995	105
1996	117
1997	142
1998	134
1999	131
2000	113
2001	87
2002	119
2003	116
2004	111
2006	110
2007	173
2009	145
2010	81
2011	117
2012	114

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

See the data as a table

Year	Growing-season temperature
1894	13.8 °C
1895	14.1 °C
1896	13.6 °C
1897	13.9 °C
1898	14.9 °C
1899	13.7 °C
1900	14.0 °C
1901	14.5 °C
1902	13.7 °C
1903	13.5 °C
1904	13.9 °C
1905	14.4 °C
1906	13.8 °C
1907	13.2 °C
1908	13.4 °C
1909	13.8 °C
1910	15.0 °C
1911	13.7 °C
1912	12.4 °C
1913	13.8 °C
1914	14.0 °C
1915	13.3 °C
1916	14.1 °C
1917	13.5 °C
1918	14.9 °C
1919	15.5 °C
1920	14.4 °C
1922	14.0 °C
1923	13.4 °C
1924	14.0 °C
1925	15.0 °C
1926	15.1 °C
1927	14.1 °C
1928	14.4 °C
1929	13.8 °C
1930	14.7 °C
1931	15.5 °C
1932	14.3 °C
1933	14.1 °C
1934	15.9 °C
1935	14.4 °C
1936	14.8 °C
1937	14.9 °C
1938	14.3 °C
1939	15.4 °C
1940	15.5 °C
1941	13.4 °C
1942	13.8 °C
1943	14.6 °C
1944	13.2 °C
1945	12.8 °C
1946	14.6 °C
1947	13.9 °C
1948	14.0 °C
1949	14.4 °C
1950	13.0 °C
1951	13.6 °C
1952	14.3 °C
1953	13.5 °C
1954	14.6 °C
1955	13.8 °C
1956	14.5 °C
1957	13.7 °C
1958	14.5 °C
1959	14.6 °C
1960	14.9 °C
1961	14.6 °C
1962	13.9 °C
1963	14.7 °C
1964	13.6 °C
1965	12.8 °C
1966	14.6 °C
1967	13.7 °C
1968	13.0 °C
1969	15.3 °C
1970	13.7 °C
1971	14.6 °C
1972	14.7 °C
1973	14.3 °C
1974	14.4 °C
1977	14.8 °C
1978	13.8 °C
1979	14.2 °C
1980	14.2 °C
1981	15.2 °C
1983	13.5 °C
1984	14.1 °C
1985	14.4 °C
1986	14.4 °C
1987	14.8 °C
1988	15.2 °C
1989	15.1 °C
1990	16.3 °C
1991	15.2 °C
2003	16.4 °C
2004	15.9 °C
2005	16.0 °C
2006	16.7 °C
2007	17.4 °C
2009	16.9 °C
2010	15.0 °C
2011	15.2 °C
2012	16.6 °C

What this means for you: Since 1894, Heber City's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 5 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

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

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