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When to plant in South Lyon, MI

Planting dates worked out from South Lyon'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 10
about a 50% chance of a later one
Average first fall frost
Oct 10
1 year in 10 by Sep 30
Frost-free days
153
median, 1991–2020

Station used: Milford Gm Proving Ground · 13.5 km away · station 296 m, town 282 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 28 – Apr 11 May 23 – Jun 6 Jul 17
Sweet pepper Mar 14 – Mar 28 May 23 – Jun 6 Jul 22
Lettuce (leaf) Mar 8 – Mar 15 Apr 12 – Apr 26 May 22
Peas — Apr 6 – May 4 May 31
Bush beans — May 16 – Jun 6 Jul 5
Carrot — Apr 19 – May 31 Jun 18
Beet — Apr 17 – May 29 Jun 6
Potato — Apr 19 – May 10 Jun 28
Kale Mar 2 – Mar 16 Apr 13 – Apr 27 May 26
Broccoli Mar 1 – Mar 15 Apr 12 – May 3 Jun 11
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 12 – May 3 Jul 11
Garlic — Sep 26 – Oct 24 (fall) following summer
Spinach — Apr 6 – May 4 May 14
Basil Apr 11 – Apr 25 May 23 – Jun 6 Jul 19

Plan all 65 crops for South Lyon

South Lyon's weather over time

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

Apr 15May 1May 15Jun 1 1930194019501960197019801990200020102020
Each year's last spring frostLong-term trend
See the data as a table
YearLast spring frost
1928May 12
1929May 20
1930Apr 26
1931May 3
1932May 2
1933May 4
1934May 12
1935May 23
1936May 20
1937May 10
1938May 12
1939May 12
1940May 2
1941Apr 25
1942May 10
1943May 1
1944Apr 28
1945May 30
1946May 13
1947May 10
1948May 8
1949May 11
1950May 8
1951May 13
1952Apr 12
1953Apr 28
1954May 20
1955May 17
1956May 24
1957May 3
1958May 5
1959May 16
1960May 10
1961May 27
1962Apr 17
1963May 23
1964Apr 25
1965Apr 19
1966May 10
1967May 3
1968May 6
1969Apr 30
1970May 6
1971May 12
1972Apr 27
1973May 18
1974May 10
1975Apr 26
1976May 8
1977May 10
1978May 3
1979May 5
1980Apr 21
1981May 7
1982Apr 22
1984May 16
1986May 4
1987May 5
1988Apr 25
1990Apr 18
1991Apr 18
1992May 25
1993Apr 27
1995Apr 24
1997May 20
2000Apr 28
2002May 21
2003May 5
2004May 4
2006May 23
2007May 18
2008May 28
2009May 18
2010May 10
2011May 4
2012Apr 29
2014May 16
2015Apr 28
2016May 16
2017May 9
2018Apr 30
2019May 14
2020May 14

What this means for you: Since 1928, South Lyon's last spring frost has stayed at about the same time of year. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Milford Gm Proving Ground (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Whitmore LakeWixomBrightonNorthvilleNoviMilford