When to plant in Mount Holly, VT

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

Safe to plant out

Jun 1

1 year in 10 has a later frost

Average last frost

May 20

about a 50% chance of a later one

Average first fall frost

Sep 29

1 year in 10 by Sep 17

Frost-free days

132

median, 1991–2020

Station used: Cavendish · 19.7 km away · station 257 m, town 474 m. How we match towns to stations

The station sits 217 m lower 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 Mount Holly plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Apr 6 – Apr 20	Jun 1 – Jun 15	Jul 26
Sweet pepper	Mar 23 – Apr 6	Jun 1 – Jun 15	Jul 31
Lettuce (leaf)	Mar 18 – Mar 25	Apr 22 – May 6	Jun 1
Peas	—	Apr 17 – May 15	Jun 11
Bush beans	—	May 25 – Jun 15	Jul 14
Carrot	—	Apr 29 – Jun 10	Jun 28
Beet	—	Apr 24 – Jun 5	Jun 13
Potato	—	Apr 29 – May 20	Jul 8
Kale	Mar 13 – Mar 27	Apr 24 – May 8	Jun 6
Broccoli	Mar 11 – Mar 25	Apr 22 – May 13	Jun 21
Cucumber	May 4 – May 11	Jun 1 – Jun 15	Jul 21
Summer squash and zucchini	May 4 – May 11	Jun 1 – Jun 15	Jul 16
Winter squash	May 4 – May 11	Jun 1 – Jun 15	Aug 20
Sweet corn	—	May 25 – Jun 15	Jul 24
Onion (from sets)	—	Apr 22 – May 13	Jul 21
Garlic	—	Sep 15 – Oct 13 (fall)	following summer
Spinach	—	Apr 17 – May 15	May 25
Basil	Apr 20 – May 4	Jun 1 – Jun 15	Jul 28

Plan all 65 crops for Mount Holly

Mount Holly'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
1903	May 31
1904	May 2
1905	May 24
1909	May 26
1911	May 15
1913	Jun 10
1914	May 16
1915	Jun 4
1916	May 13
1917	May 31
1918	Jun 21
1919	May 6
1920	May 17
1921	Jun 2
1928	May 17
1929	May 26
1930	Jun 2
1931	May 18
1932	Jun 9
1933	Jun 2
1934	Jun 8
1935	May 26
1936	May 22
1937	May 16
1938	May 13
1939	May 19
1940	Jun 22
1941	May 20
1942	May 12
1943	May 15
1944	May 21
1945	Jun 7
1946	Jun 19
1947	Jun 1
1948	Jun 6
1949	Jun 8
1950	May 22
1951	Jun 8
1952	May 19
1953	Jun 11
1954	May 27
1955	May 20
1956	Jun 19
1957	Jun 10
1958	Jun 18
1959	May 25
1960	Jun 9
1961	Jun 16
1962	May 29
1963	May 26
1964	Jun 6
1965	Jun 26
1966	May 31
1967	Jun 1
1968	May 28
1969	May 27
1970	May 29
1971	Jun 11
1972	Jun 12
1973	Jun 3
1974	May 20
1975	Jun 10
1976	May 14
1977	May 16
1978	Jun 15
1979	Jun 26
1980	May 30
1981	May 21
1982	May 6
1983	Jun 9
1984	May 18
1985	May 30
1986	Jun 3
1987	Jun 7
1988	May 15
1989	May 9
1990	May 31
1991	May 21
1992	May 25
1993	Jun 5
1994	May 28
1995	May 9
1996	May 26
1997	May 28
1998	May 14
1999	May 14
2000	May 16
2001	Jun 1
2002	Jun 4
2003	May 18
2004	May 9
2006	May 9
2007	May 22
2008	May 11
2009	Jun 1
2010	May 17
2011	May 7
2012	May 13
2013	May 27

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1903	99
1904	142
1914	117
1915	109
1916	107
1918	81
1919	143
1920	124
1928	128
1929	115
1930	98
1931	123
1932	93
1933	101
1934	83
1935	113
1936	126
1937	127
1938	115
1939	121
1940	63
1941	115
1942	135
1943	120
1944	125
1945	101
1946	71
1947	110
1948	101
1949	109
1950	117
1951	110
1952	111
1953	103
1954	91
1955	110
1956	82
1957	78
1958	85
1959	109
1960	88
1961	92
1962	100
1963	101
1964	98
1965	64
1966	107
1967	91
1968	124
1969	114
1970	129
1971	105
1972	100
1973	105
1974	125
1975	96
1976	108
1977	118
1978	86
1979	85
1980	117
1981	131
1982	149
1983	97
1984	111
1985	104
1986	87
1987	110
1988	123
1989	138
1990	109
1991	123
1992	121
1993	106
1994	97
1995	124
1996	130
1997	116
1998	132
1999	144
2000	133
2001	128
2002	125
2003	137
2004	148
2006	143
2007	143
2008	148
2009	110
2010	145
2011	132
2012	134

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

See the data as a table

Year	Growing-season temperature
1903	14.1 °C
1904	14.3 °C
1909	14.1 °C
1914	14.6 °C
1915	15.2 °C
1916	15.1 °C
1918	14.9 °C
1920	15.5 °C
1921	15.6 °C
1923	13.3 °C
1925	15.1 °C
1927	13.5 °C
1928	14.2 °C
1929	14.9 °C
1930	15.3 °C
1931	15.7 °C
1932	14.6 °C
1933	15.3 °C
1934	15.3 °C
1935	14.5 °C
1936	15.0 °C
1937	15.4 °C
1938	14.9 °C
1939	15.2 °C
1940	14.1 °C
1941	16.0 °C
1942	16.2 °C
1943	14.5 °C
1944	16.2 °C
1945	15.5 °C
1946	14.1 °C
1947	14.8 °C
1948	14.4 °C
1949	16.0 °C
1950	14.2 °C
1951	14.7 °C
1952	15.3 °C
1953	15.0 °C
1954	13.7 °C
1955	15.8 °C
1956	13.0 °C
1957	14.8 °C
1958	13.9 °C
1959	15.7 °C
1960	15.2 °C
1961	15.4 °C
1962	14.4 °C
1963	14.3 °C
1964	14.6 °C
1965	14.7 °C
1966	14.2 °C
1967	14.4 °C
1968	15.2 °C
1969	15.0 °C
1970	15.3 °C
1971	14.6 °C
1972	14.2 °C
1973	15.7 °C
1974	15.0 °C
1975	15.1 °C
1976	15.1 °C
1977	14.7 °C
1978	14.1 °C
1979	14.7 °C
1980	14.7 °C
1981	14.9 °C
1982	14.0 °C
1983	14.9 °C
1984	14.4 °C
1985	14.4 °C
1986	14.5 °C
1987	14.9 °C
1988	15.0 °C
1989	14.7 °C
1990	14.5 °C
1991	15.3 °C
1992	13.7 °C
1993	14.7 °C
1994	14.4 °C
1995	14.5 °C
1996	14.9 °C
1997	13.6 °C
1998	16.0 °C
1999	16.0 °C
2000	14.4 °C
2001	15.2 °C
2002	15.3 °C
2003	14.9 °C
2004	15.3 °C
2005	16.2 °C
2006	15.7 °C
2007	15.1 °C
2008	15.1 °C
2009	14.9 °C
2010	16.4 °C
2011	16.1 °C
2012	16.0 °C
2013	15.7 °C

What this means for you: Since 1903, Mount Holly's last spring frost has stayed at about the same time of year. The frost-free season has grown 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 Cavendish (NOAA GHCN-Daily). Years with too many missing days are left out.

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