When to plant in Wellsboro, PA

Planting dates worked out from Wellsboro'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 12

about a 50% chance of a later one

Average first fall frost

Oct 7

1 year in 10 by Sep 28

Frost-free days

148

median, 1991–2020

Station used: Wellsboro 4 Sw · 9.0 km away · station 554 m, town 396 m. How we match towns to stations

The station sits 158 m higher than the town, so frost dates here may be off by a week or more. Check them against local experience.

This season

Plan your garden.

Build my Wellsboro 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 10 – Mar 17	Apr 14 – Apr 28	May 24
Peas	—	Apr 12 – May 10	Jun 6
Bush beans	—	May 16 – Jun 6	Jul 5
Carrot	—	Apr 21 – Jun 2	Jun 20
Beet	—	Apr 21 – Jun 2	Jun 10
Potato	—	Apr 21 – May 12	Jun 30
Kale	Mar 8 – Mar 22	Apr 19 – May 3	Jun 1
Broccoli	Mar 3 – Mar 17	Apr 14 – May 5	Jun 13
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 14 – May 5	Jul 13
Garlic	—	Sep 23 – Oct 21 (fall)	following summer
Spinach	—	Apr 12 – May 10	May 20
Basil	Apr 11 – Apr 25	May 23 – Jun 6	Jul 19

Plan all 65 crops for Wellsboro

Wellsboro'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
1926	Jun 4
1927	May 29
1928	Jun 12
1929	Jun 6
1930	Jun 1
1931	May 18
1932	Jun 9
1933	May 5
1934	May 24
1935	May 25
1936	May 29
1937	May 21
1938	May 31
1939	May 12
1940	May 12
1941	May 19
1942	May 12
1943	May 15
1944	May 20
1945	Jun 2
1946	May 13
1947	May 31
1951	Apr 24
1952	May 13
1953	Apr 30
1954	May 6
1955	May 17
1956	May 25
1957	May 17
1958	May 10
1959	May 17
1960	May 2
1961	May 5
1962	May 10
1963	May 25
1964	Apr 16
1965	Apr 26
1966	May 12
1967	May 24
1968	May 21
1969	May 28
1970	May 8
1971	May 5
1972	May 12
1973	May 20
1974	May 12
1975	Apr 29
1976	May 20
1977	May 10
1978	May 5
1979	May 6
1980	May 9
1981	May 9
1982	Apr 30
1983	May 29
1984	May 18
1985	May 20
1986	Jun 3
1987	May 4
1988	Jun 11
1989	May 9
1990	May 13
1991	May 10
1993	May 21
2000	May 17
2001	May 16
2002	May 23
2003	Apr 26
2004	May 7
2005	May 17
2006	May 23
2007	May 15
2008	May 20
2009	May 20
2010	May 12
2011	Apr 23
2012	May 1
2013	May 15
2014	Apr 29
2015	May 24
2016	May 16
2017	May 10
2018	Apr 30
2019	Apr 30
2020	May 14
2021	May 10
2022	May 9
2023	May 26
2024	Apr 27
2025	Apr 18
2026	May 13

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1926	125
1927	115
1928	104
1929	104
1930	120
1931	129
1932	90
1933	151
1934	97
1935	120
1936	119
1937	119
1938	117
1939	153
1940	103
1941	115
1942	135
1943	119
1944	126
1945	119
1946	153
1947	114
1951	157
1952	143
1953	160
1954	153
1955	157
1956	118
1957	132
1958	144
1959	122
1960	155
1961	152
1962	166
1963	111
1964	149
1965	153
1966	153
1967	123
1968	136
1969	114
1970	149
1971	182
1973	123
1974	133
1975	137
1976	127
1977	156
1978	143
1979	137
1980	148
1981	155
1982	120
1983	117
1984	140
1985	144
1986	128
1987	152
1988	109
1989	141
1990	127
1991	140
2000	134
2001	143
2002	144
2003	159
2004	151
2005	157
2006	129
2007	166
2008	136
2009	134
2010	150
2011	165
2012	159
2013	161
2014	158
2015	145
2016	147
2017	143
2018	168
2019	157
2020	127
2021	176
2022	152
2023	149
2024	170
2025	173

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

See the data as a table

Year	Growing-season temperature
1926	14.6 °C
1927	14.7 °C
1928	15.1 °C
1929	15.3 °C
1930	15.9 °C
1931	16.8 °C
1932	15.7 °C
1933	16.9 °C
1934	16.6 °C
1935	14.8 °C
1936	16.3 °C
1937	16.0 °C
1938	16.1 °C
1939	16.7 °C
1940	15.1 °C
1941	16.4 °C
1942	15.9 °C
1943	15.0 °C
1944	15.7 °C
1945	15.4 °C
1946	14.7 °C
1947	16.0 °C
1951	14.8 °C
1952	15.5 °C
1953	15.3 °C
1954	15.2 °C
1955	16.7 °C
1956	14.0 °C
1957	15.2 °C
1958	14.2 °C
1959	16.4 °C
1960	15.2 °C
1961	14.8 °C
1962	14.7 °C
1963	14.2 °C
1964	14.7 °C
1965	14.5 °C
1966	14.5 °C
1967	13.6 °C
1968	14.5 °C
1969	14.6 °C
1970	14.6 °C
1971	14.1 °C
1972	13.7 °C
1973	14.6 °C
1974	13.6 °C
1975	13.6 °C
1976	13.7 °C
1978	13.6 °C
1979	13.9 °C
1980	14.8 °C
1981	14.4 °C
1982	13.7 °C
1983	14.0 °C
1984	13.8 °C
1985	14.1 °C
1986	14.6 °C
1987	15.0 °C
1988	14.7 °C
1989	14.2 °C
1990	14.5 °C
1991	16.2 °C
2000	14.3 °C
2001	14.9 °C
2002	15.5 °C
2003	14.5 °C
2004	15.1 °C
2005	15.6 °C
2006	14.9 °C
2007	14.8 °C
2008	14.9 °C
2009	14.4 °C
2010	16.1 °C
2011	16.1 °C
2012	15.7 °C
2013	15.0 °C
2014	14.7 °C
2015	15.7 °C
2016	15.9 °C
2017	15.4 °C
2018	15.7 °C
2019	15.5 °C
2020	15.2 °C
2021	15.8 °C
2022	15.8 °C
2023	15.3 °C
2024	16.1 °C
2025	15.9 °C
2026	15.8 °C

What this means for you: Since 1926, Wellsboro's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 4 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Wellsboro 4 Sw (NOAA GHCN-Daily). Years with too many missing days are left out.

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