When to plant in Erin, TN

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

Safe to plant out
Apr 18
1 year in 10 has a later frost
Average last frost
Apr 3
about a 50% chance of a later one
Average first fall frost
Oct 29
1 year in 10 by Oct 15
Frost-free days
205
median, 1991–2020

Station used: Dover 1 W · 23.4 km away · station 150 m, town 136 m. How we match towns to stations

This season

Plan your garden.

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Planting dates for common crops

CropStart indoorsPlant out or sowHarvest from
Tomato Feb 21 – Mar 7 Apr 18 – May 2 Jun 12
Sweet pepper Feb 7 – Feb 21 Apr 18 – May 2 Jun 17
Lettuce (leaf) Jan 30 – Feb 6 Mar 6 – Mar 20 Apr 15
Peas — Feb 20 – Mar 20 Apr 16
Bush beans — Apr 11 – May 2 May 31
Carrot — Mar 13 – Apr 24 May 12
Beet — Mar 6 – Apr 17 Apr 25
Potato — Mar 13 – Apr 3 May 22
Kale Jan 23 – Feb 6 Mar 6 – Mar 20 Apr 18
Broccoli Jan 23 – Feb 6 Mar 6 – Mar 27 May 5
Cucumber Mar 21 – Mar 28 Apr 18 – May 2 Jun 7
Summer squash and zucchini Mar 21 – Mar 28 Apr 18 – May 2 Jun 2
Winter squash Mar 21 – Mar 28 Apr 18 – May 2 Jul 7
Sweet corn — Apr 11 – May 2 Jun 10
Onion (from sets) — Mar 6 – Mar 27 Jun 4
Garlic — Oct 15 – Nov 12 (fall) following summer
Spinach — Feb 20 – Mar 20 Mar 30
Basil Mar 7 – Mar 21 Apr 18 – May 2 Jun 14

Plan all 65 crops for Erin

Erin's weather over time

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

Mar 15Apr 1Apr 15May 1May 15Jun 1 1900191019201930194019501960197019801990200020102020
Each year's last spring frostLong-term trend
See the data as a table
YearLast spring frost
1898Apr 7
1899Apr 10
1904Apr 18
1905Apr 19
1906Apr 2
1907May 16
1908Apr 30
1909May 2
1910Apr 25
1911Apr 1
1912Apr 19
1913Mar 29
1914Apr 13
1915Apr 4
1916Apr 10
1917Apr 14
1918May 2
1919Apr 26
1920Apr 14
1921Apr 12
1922Mar 22
1923Apr 9
1924Apr 3
1925Apr 2
1926Apr 20
1927Apr 23
1928Apr 16
1929Mar 18
1930Apr 25
1931Apr 27
1932Apr 15
1933Apr 12
1934Apr 21
1935Mar 14
1936Apr 19
1937Apr 12
1938Apr 10
1939Apr 12
1940May 4
1941Mar 30
1942Apr 12
1943Apr 21
1944May 7
1946Apr 13
1947May 10
1948Apr 15
1949Apr 20
1950Apr 21
1951Apr 23
1952Apr 17
1953Apr 21
1954May 8
1955Apr 9
1956Apr 21
1957Apr 15
1958Apr 12
1959Apr 23
1960May 9
1961May 27
1962Apr 16
1963May 2
1964Apr 10
1966Apr 15
1967Mar 22
1968Apr 25
1969Apr 30
1970Apr 7
1971May 4
1972Apr 9
1973Apr 29
1974Apr 26
1975Apr 13
1976May 9
1977Apr 7
1978Apr 22
1979Apr 29
1980May 9
1981Mar 25
1982Apr 11
1983Apr 21
1984Apr 2
1985Apr 10
1986Apr 23
1987Apr 4
1988Apr 20
1989Apr 12
1990Apr 12
1991Mar 31
1992Apr 3
1994Apr 8
1995Apr 1
1996Apr 10
1997Apr 18
1998Mar 14
1999Mar 27
2000Apr 9
2001Apr 19
2002Apr 5
2003Apr 6
2005Mar 21
2006Mar 27
2009Mar 31
2010Mar 19
2011Mar 13
2012Apr 14
2013Apr 25
2021Apr 3

What this means for you: Since 1898, Erin's last spring frost has come about 1 day earlier per decade, on average. 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 Dover 1 W (NOAA GHCN-Daily). Years with too many missing days are left out.

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