When to plant in Marion Center, MA

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

Safe to plant out
May 5
1 year in 10 has a later frost
Average last frost
Apr 22
about a 50% chance of a later one
Average first fall frost
Oct 25
1 year in 10 by Oct 12
Frost-free days
186
median, 1991–2020

Station used: E Wareham · 10.3 km away · station 9 m, town 5 m. How we match towns to stations

This season

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Planting dates for common crops

CropStart indoorsPlant out or sowHarvest from
Tomato Mar 14 – Mar 28 May 9 – May 23 Jul 3
Sweet pepper Feb 28 – Mar 14 May 9 – May 23 Jul 8
Lettuce (leaf) Feb 28 – Mar 7 Apr 4 – Apr 18 May 14
Peas — Apr 4 – May 2 May 29
Bush beans — May 2 – May 23 Jun 21
Carrot — Apr 16 – May 28 Jun 15
Beet — Apr 16 – May 28 Jun 5
Potato — Apr 16 – May 7 Jun 25
Kale Feb 28 – Mar 14 Apr 11 – Apr 25 May 24
Broccoli Feb 21 – Mar 7 Apr 4 – Apr 25 Jun 3
Cucumber Apr 11 – Apr 18 May 9 – May 23 Jun 28
Summer squash and zucchini Apr 11 – Apr 18 May 9 – May 23 Jun 23
Winter squash Apr 11 – Apr 18 May 9 – May 23 Jul 28
Sweet corn — May 2 – May 23 Jul 1
Onion (from sets) — Apr 4 – Apr 25 Jul 3
Garlic — Oct 11 – Nov 8 (fall) following summer
Spinach — Apr 4 – May 2 May 12
Basil Mar 28 – Apr 11 May 9 – May 23 Jul 5

Plan all 65 crops for Marion Center

Marion Center's weather over time

How the growing season has shifted here, year by year, from the station's own records.

Apr 1Apr 15May 1May 15Jun 1 1930194019501960197019801990200020102020
Each year's last spring frostLong-term trend
See the data as a table
YearLast spring frost
1927May 2
1928Apr 27
1929Apr 24
1930Apr 29
1931May 1
1932May 11
1933May 5
1934Apr 29
1935May 5
1936May 15
1937May 3
1938Apr 24
1939May 15
1940Apr 29
1941Apr 23
1942Apr 28
1943May 6
1944May 19
1945Apr 24
1946May 30
1947May 16
1948May 4
1949Apr 18
1950Apr 27
1951Apr 16
1952Apr 17
1953Apr 16
1954Apr 13
1955Apr 17
1956May 25
1957May 3
1958May 3
1959Apr 23
1960Apr 20
1961May 6
1962May 13
1963Apr 27
1964May 4
1965Apr 23
1966May 3
1967May 7
1968Apr 29
1969Apr 21
1970Apr 20
1971Apr 29
1972Apr 30
1973Apr 21
1974Apr 27
1975May 1
1976Apr 13
1977Apr 16
1978May 1
1979Apr 22
1980Apr 19
1981Apr 23
1982Apr 30
1983Apr 23
1984Apr 27
1985May 9
1986Apr 16
1987Apr 26
1988May 9
1989Apr 26
1990Apr 19
1991Apr 18
1992Apr 30
1993Apr 8
1994Apr 23
1995Apr 17
1996May 7
1997Apr 16
1999May 1
2000May 1
2001May 7
2003Apr 25
2004Apr 17
2005Apr 17
2006Apr 22
2007May 7
2008May 1
2009Apr 17
2010Mar 28
2011Apr 16
2012Apr 7
2013Apr 22
2014Apr 21
2015Apr 16
2020Apr 25
2021Apr 5
2022Apr 30
2023May 18
2024Apr 27
2025Apr 21
2026Apr 26

What this means for you: Since 1927, Marion Center'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 E Wareham (NOAA GHCN-Daily). Years with too many missing days are left out.

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