When to plant in West Hill, OH

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

Safe to plant out

May 23

1 year in 10 has a later frost

Average last frost

May 6

about a 50% chance of a later one

Average first fall frost

Oct 14

1 year in 10 by Sep 29

Frost-free days

160

median, 1991–2020

Station used: Youngstown-Warren Rgnl Ap · 13.1 km away · station 356 m, town 318 m. How we match towns to stations

This season

Plan your garden.

Build my West Hill plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 28 – Apr 11	May 23 – Jun 6	Jul 17
Sweet pepper	Mar 14 – Mar 28	May 23 – Jun 6	Jul 22
Lettuce (leaf)	Mar 4 – Mar 11	Apr 8 – Apr 22	May 18
Peas	—	Mar 31 – Apr 28	May 25
Bush beans	—	May 16 – Jun 6	Jul 5
Carrot	—	Apr 15 – May 27	Jun 14
Beet	—	Apr 8 – May 20	May 28
Potato	—	Apr 15 – May 6	Jun 24
Kale	Feb 25 – Mar 11	Apr 8 – Apr 22	May 21
Broccoli	Feb 25 – Mar 11	Apr 8 – Apr 29	Jun 7
Cucumber	Apr 25 – May 2	May 23 – Jun 6	Jul 12
Summer squash and zucchini	Apr 25 – May 2	May 23 – Jun 6	Jul 7
Winter squash	Apr 25 – May 2	May 23 – Jun 6	Aug 11
Sweet corn	—	May 16 – Jun 6	Jul 15
Onion (from sets)	—	Apr 8 – Apr 29	Jul 7
Garlic	—	Sep 30 – Oct 28 (fall)	following summer
Spinach	—	Mar 31 – Apr 28	May 8
Basil	Apr 11 – Apr 25	May 23 – Jun 6	Jul 19

Plan all 65 crops for West Hill

West Hill'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
1935	Apr 17
1936	Apr 23
1937	Apr 12
1938	Apr 23
1939	Apr 13
1940	Apr 26
1941	Apr 25
1942	Apr 13
1943	Apr 18
1944	Apr 28
1945	May 2
1946	May 13
1948	Apr 18
1949	May 11
1950	May 8
1951	Apr 23
1952	Apr 15
1953	Apr 21
1954	May 5
1955	Apr 8
1956	May 25
1957	May 6
1958	Apr 30
1959	May 16
1960	Apr 29
1961	May 5
1962	Apr 21
1963	May 24
1964	Apr 16
1965	Apr 28
1966	May 11
1967	May 23
1968	May 7
1969	May 27
1970	May 7
1971	May 4
1972	Jun 11
1973	May 5
1974	May 8
1975	Apr 27
1976	May 12
1977	May 8
1978	May 3
1979	May 17
1980	May 9
1981	May 3
1982	Apr 23
1983	May 11
1984	May 16
1985	May 9
1986	May 4
1987	May 1
1988	May 26
1989	Apr 24
1990	May 12
1991	Apr 25
1992	May 25
1993	May 17
1994	May 14
1995	Apr 26
1996	May 14
1997	May 7
1998	Apr 28
1999	Apr 25
2000	Apr 27
2001	Apr 29
2002	May 22
2003	Apr 27
2004	May 4
2005	May 5
2006	May 23
2007	Apr 21
2008	Apr 16
2009	May 19
2010	May 10
2011	Apr 30
2012	Apr 29
2013	May 25
2014	Apr 27
2015	May 23
2016	May 16
2017	May 9
2018	Apr 29
2019	Apr 29
2020	May 13
2021	May 6
2022	Apr 29
2023	May 18
2024	Apr 25

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1935	203
1936	186
1937	194
1938	166
1939	184
1940	176
1941	197
1942	167
1943	199
1945	153
1946	182
1948	182
1949	168
1950	170
1951	172
1952	170
1953	169
1954	154
1955	196
1956	137
1957	143
1958	154
1959	123
1960	177
1961	170
1962	185
1963	141
1964	172
1965	159
1966	165
1967	148
1968	175
1969	143
1970	162
1971	183
1972	119
1973	182
1974	147
1975	158
1976	158
1977	158
1978	166
1979	161
1980	148
1981	158
1982	127
1983	170
1984	169
1985	159
1986	135
1987	163
1988	132
1989	167
1990	159
1991	155
1992	133
1993	141
1994	142
1995	149
1996	167
1997	163
1998	184
1999	149
2000	154
2001	161
2002	138
2003	160
2004	160
2005	167
2006	142
2007	189
2008	185
2009	147
2010	164
2011	175
2012	161
2013	151
2014	167
2015	147
2016	150
2017	174
2018	174
2019	185
2020	155
2021	180
2022	169
2023	157
2024	174

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

See the data as a table

Year	Growing-season temperature
1935	17.6 °C
1936	18.8 °C
1937	18.4 °C
1938	18.8 °C
1939	19.0 °C
1940	17.7 °C
1941	19.7 °C
1942	19.2 °C
1943	18.5 °C
1944	18.0 °C
1945	16.9 °C
1946	16.6 °C
1948	17.5 °C
1949	18.0 °C
1950	16.0 °C
1951	16.6 °C
1952	17.3 °C
1953	17.1 °C
1954	17.3 °C
1955	18.4 °C
1956	16.0 °C
1957	17.1 °C
1958	16.4 °C
1959	18.1 °C
1960	17.1 °C
1961	16.4 °C
1962	16.9 °C
1963	15.7 °C
1964	17.0 °C
1965	16.9 °C
1966	15.9 °C
1967	15.6 °C
1968	16.6 °C
1969	16.5 °C
1970	17.4 °C
1971	16.5 °C
1972	15.7 °C
1973	17.1 °C
1974	16.3 °C
1975	16.8 °C
1976	16.4 °C
1977	17.8 °C
1978	16.8 °C
1979	16.1 °C
1980	16.3 °C
1981	17.4 °C
1982	16.4 °C
1983	17.3 °C
1984	16.8 °C
1985	17.0 °C
1986	17.2 °C
1987	17.8 °C
1988	17.4 °C
1989	16.5 °C
1990	16.5 °C
1991	18.7 °C
1992	15.9 °C
1993	17.0 °C
1994	16.7 °C
1995	17.7 °C
1996	16.2 °C
1997	15.4 °C
1998	17.7 °C
1999	17.5 °C
2000	16.6 °C
2001	17.3 °C
2002	17.7 °C
2003	16.4 °C
2004	16.8 °C
2005	17.7 °C
2006	17.1 °C
2007	17.4 °C
2008	17.3 °C
2009	17.0 °C
2010	18.7 °C
2011	17.9 °C
2012	17.9 °C
2013	17.2 °C
2014	17.1 °C
2015	18.1 °C
2016	18.1 °C
2017	17.9 °C
2018	18.6 °C
2019	18.6 °C
2020	17.6 °C
2021	18.2 °C
2022	18.0 °C
2023	17.6 °C
2024	18.9 °C

What this means for you: Since 1935, West Hill's last spring frost has come about 1 day later per decade, on average. The frost-free season has shrunk 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 Youngstown-Warren Rgnl Ap (NOAA GHCN-Daily). Years with too many missing days are left out.

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