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When to plant in Mount Morris, MI

Planting dates worked out from Mount Morris'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 7
about a 50% chance of a later one
Average first fall frost
Oct 8
1 year in 10 by Sep 23
Frost-free days
150
median, 1991–2020

Station used: Flint Fcwos · 17.5 km away · station 235 m, town 235 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 5 – Mar 12 Apr 9 – Apr 23 May 19
Peas — Apr 5 – May 3 May 30
Bush beans — May 16 – Jun 6 Jul 5
Carrot — Apr 16 – May 28 Jun 15
Beet — Apr 15 – May 27 Jun 4
Potato — Apr 16 – May 7 Jun 25
Kale Mar 1 – Mar 15 Apr 12 – Apr 26 May 25
Broccoli Feb 26 – Mar 12 Apr 9 – Apr 30 Jun 8
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 9 – Apr 30 Jul 8
Garlic — Sep 24 – Oct 22 (fall) following summer
Spinach — Apr 5 – May 3 May 13
Basil Apr 11 – Apr 25 May 23 – Jun 6 Jul 19

Plan all 65 crops for Mount Morris

Mount Morris's weather over time

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

Apr 15May 1May 15 19501960197019801990200020102020
Each year's last spring frostLong-term trend
See the data as a table
YearLast spring frost
1949May 11
1950May 8
1951May 13
1952May 3
1953Apr 28
1954May 21
1955May 17
1956May 24
1957May 5
1958May 26
1959May 16
1960May 8
1961May 27
1962Apr 24
1963May 23
1964Apr 25
1965Apr 19
1966May 13
1967May 12
1968May 6
1969Apr 30
1970May 6
1971May 13
1972May 10
1973May 18
1974May 10
1975Apr 21
1976May 8
1977May 10
1978May 3
1979May 5
1980May 8
1981May 7
1982Apr 28
1983May 9
1984May 16
1985Apr 10
1986May 4
1987May 5
1988Apr 25
1989May 7
1990Apr 19
1991May 8
1992May 25
1993Apr 27
1994May 27
1995Apr 29
1996May 13
1997May 20
1998Apr 29
1999Apr 25
2000Apr 30
2001Apr 29
2002May 19
2003May 4
2004May 4
2005May 6
2006May 23
2007May 18
2008May 28
2009May 18
2010May 10
2011Apr 19
2012Apr 29
2013May 13
2014Apr 27
2015Apr 28
2016Apr 27
2017May 9
2018Apr 30
2019Apr 21
2020May 13
2021May 13
2022Apr 29
2023May 26
2024Apr 26

What this means for you: Since 1949, Mount Morris's last spring frost has stayed at about the same time of year. The frost-free season has grown by about 1 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

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

Nearby towns

BeecherClioFlintFlushingBurtonBirch Run