When to plant in Blanding, UT

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

Safe to plant out

May 12

1 year in 10 has a later frost

Average last frost

May 1

about a 50% chance of a later one

Average first fall frost

Oct 16

1 year in 10 by Oct 3

Frost-free days

165

median, 1991–2020

Station used: Blanding · 1.3 km away · station 1840 m, town 1861 m. How we match towns to stations

This season

Plan your garden.

Build my Blanding plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 17 – Mar 31	May 12 – May 26	Jul 6
Sweet pepper	Mar 3 – Mar 17	May 12 – May 26	Jul 11
Lettuce (leaf)	Feb 27 – Mar 6	Apr 3 – Apr 17	May 13
Peas	—	Mar 20 – Apr 17	May 14
Bush beans	—	May 5 – May 26	Jun 24
Carrot	—	Apr 10 – May 22	Jun 9
Beet	—	Apr 3 – May 15	May 23
Potato	—	Apr 10 – May 1	Jun 19
Kale	Feb 20 – Mar 6	Apr 3 – Apr 17	May 16
Broccoli	Feb 20 – Mar 6	Apr 3 – Apr 24	Jun 2
Cucumber	Apr 14 – Apr 21	May 12 – May 26	Jul 1
Summer squash and zucchini	Apr 14 – Apr 21	May 12 – May 26	Jun 26
Winter squash	Apr 14 – Apr 21	May 12 – May 26	Jul 31
Sweet corn	—	May 5 – May 26	Jul 4
Onion (from sets)	—	Apr 3 – Apr 24	Jul 2
Garlic	—	Oct 2 – Oct 30 (fall)	following summer
Spinach	—	Mar 20 – Apr 17	Apr 27
Basil	Mar 31 – Apr 14	May 12 – May 26	Jul 8

Plan all 65 crops for Blanding

Blanding'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
1905	May 30
1906	May 2
1907	Jun 3
1908	Jun 6
1909	May 24
1913	Jun 15
1915	May 7
1916	May 26
1918	May 12
1919	Apr 16
1920	Apr 27
1921	May 19
1922	May 12
1923	May 1
1924	Apr 28
1925	Apr 25
1926	Apr 2
1928	May 17
1929	May 27
1930	Jun 1
1931	May 21
1932	May 8
1933	May 23
1934	Jun 7
1935	May 15
1936	Apr 30
1937	Apr 30
1938	May 7
1939	Jun 18
1940	Apr 16
1941	May 19
1942	May 17
1943	May 19
1944	May 17
1945	May 21
1946	May 13
1947	Jun 13
1948	Jun 23
1949	Jun 7
1950	Jun 8
1951	Jun 2
1952	Apr 16
1953	May 29
1954	May 3
1955	Jun 2
1956	Apr 28
1957	May 22
1958	Apr 27
1959	May 4
1960	May 20
1961	May 8
1962	May 18
1963	May 12
1964	May 8
1965	May 9
1966	Apr 28
1967	May 15
1968	May 7
1969	Apr 27
1970	May 2
1971	May 23
1972	May 11
1973	May 6
1974	May 21
1975	May 23
1976	Apr 28
1977	May 19
1978	May 8
1979	May 31
1980	May 25
1981	May 21
1982	Apr 24
1983	May 17
1984	May 7
1985	May 14
1986	May 10
1987	Apr 20
1988	May 7
1990	May 9
1991	May 5
1992	Mar 25
1993	May 5
1994	May 8
1995	May 8
1996	Apr 29
1997	May 2
1998	Apr 19
1999	May 5
2000	May 12
2001	May 4
2002	Apr 21
2003	May 10
2004	Apr 18
2006	Apr 20
2007	May 6
2008	May 2
2009	Apr 26
2010	May 12
2011	May 2
2012	Apr 16
2013	May 2
2014	May 12
2015	May 11
2016	May 1
2017	May 19
2018	Apr 18
2019	May 20
2020	Apr 16
2021	Apr 17
2026	Apr 18

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1905	47
1906	126
1907	118
1908	111
1909	120
1913	100
1915	129
1916	145
1918	165
1919	170
1920	166
1921	158
1923	165
1924	155
1926	220
1928	141
1929	149
1930	124
1931	158
1932	154
1933	146
1934	110
1935	154
1936	149
1937	170
1938	162
1939	108
1940	194
1941	139
1942	162
1943	145
1944	138
1945	152
1946	146
1947	130
1948	105
1949	123
1950	148
1951	125
1952	149
1953	147
1954	163
1955	125
1956	168
1957	152
1958	176
1959	152
1960	151
1961	144
1962	172
1963	172
1964	167
1965	134
1966	167
1967	154
1968	161
1969	159
1970	157
1971	117
1972	170
1973	156
1974	160
1975	137
1976	163
1977	134
1978	134
1979	142
1980	142
1981	145
1982	159
1983	174
1984	158
1985	137
1986	146
1987	201
1988	182
1990	152
1991	175
1992	196
1993	174
1994	159
1995	149
1996	173
1997	162
1998	169
1999	164
2000	134
2001	172
2002	190
2003	176
2004	187
2006	155
2007	146
2008	162
2009	162
2010	165
2011	157
2013	154
2014	174
2015	176
2016	155
2017	143
2018	179
2020	192
2021	177

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

See the data as a table

Year	Growing-season temperature
1905	18.1 °C
1906	17.6 °C
1907	16.3 °C
1908	15.7 °C
1909	16.6 °C
1913	16.8 °C
1914	17.5 °C
1917	16.8 °C
1918	16.9 °C
1919	17.9 °C
1920	15.9 °C
1921	16.3 °C
1922	15.6 °C
1923	16.1 °C
1924	17.7 °C
1925	18.1 °C
1926	19.0 °C
1927	17.5 °C
1928	17.3 °C
1930	16.6 °C
1931	17.9 °C
1932	16.7 °C
1933	16.4 °C
1934	18.1 °C
1935	16.4 °C
1936	18.0 °C
1937	16.9 °C
1938	17.8 °C
1939	18.2 °C
1940	18.3 °C
1941	15.5 °C
1942	16.9 °C
1943	17.7 °C
1944	16.1 °C
1945	16.6 °C
1946	18.0 °C
1947	17.5 °C
1948	17.2 °C
1949	16.9 °C
1950	16.8 °C
1951	17.4 °C
1952	17.4 °C
1953	16.9 °C
1954	18.2 °C
1955	17.0 °C
1956	17.8 °C
1957	16.1 °C
1958	18.2 °C
1959	18.2 °C
1960	18.5 °C
1961	17.5 °C
1962	17.8 °C
1963	17.9 °C
1964	17.0 °C
1965	15.7 °C
1966	18.0 °C
1967	16.6 °C
1968	16.1 °C
1969	18.0 °C
1970	16.9 °C
1971	17.2 °C
1972	17.6 °C
1973	16.2 °C
1974	17.5 °C
1975	15.6 °C
1976	16.9 °C
1977	17.9 °C
1978	17.4 °C
1979	17.3 °C
1980	17.4 °C
1981	18.3 °C
1982	17.0 °C
1983	16.7 °C
1984	17.7 °C
1985	17.6 °C
1986	17.1 °C
1987	17.9 °C
1988	17.8 °C
1990	19.5 °C
1991	18.4 °C
1992	19.0 °C
1993	18.1 °C
1994	19.9 °C
1995	17.6 °C
1996	20.1 °C
1997	18.7 °C
1998	19.2 °C
1999	17.6 °C
2000	20.5 °C
2001	19.9 °C
2002	20.5 °C
2003	20.1 °C
2004	19.1 °C
2006	19.8 °C
2007	20.1 °C
2008	19.1 °C
2009	19.6 °C
2010	18.9 °C
2011	19.2 °C
2012	20.4 °C
2013	19.1 °C
2014	18.9 °C
2015	18.5 °C
2016	18.6 °C
2017	19.1 °C
2018	20.5 °C
2019	18.6 °C
2020	19.9 °C
2021	19.8 °C

What this means for you: Since 1905, Blanding's last spring frost has come about 2 days 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 Blanding (NOAA GHCN-Daily). Years with too many missing days are left out.

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