When to plant in Osakis, MN

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

Safe to plant out
May 14
1 year in 10 has a later frost
Average last frost
Apr 30
about a 50% chance of a later one
Average first fall frost
Oct 6
1 year in 10 by Sep 24
Frost-free days
155
median, 1991–2020

Station used: Alexandria Chandler Fld · 18.7 km away · station 433 m, town 413 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 19 – Apr 2 May 14 – May 28 Jul 8
Sweet pepper Mar 5 – Mar 19 May 14 – May 28 Jul 13
Lettuce (leaf) Mar 11 – Mar 18 Apr 15 – Apr 29 May 25
Peas — Apr 15 – May 13 Jun 9
Bush beans — May 7 – May 28 Jun 26
Carrot — Apr 23 – Jun 4 Jun 22
Beet — Apr 23 – Jun 4 Jun 12
Potato — Apr 23 – May 14 Jul 2
Kale Mar 11 – Mar 25 Apr 22 – May 6 Jun 4
Broccoli Mar 4 – Mar 18 Apr 15 – May 6 Jun 14
Cucumber Apr 16 – Apr 23 May 14 – May 28 Jul 3
Summer squash and zucchini Apr 16 – Apr 23 May 14 – May 28 Jun 28
Winter squash Apr 16 – Apr 23 May 14 – May 28 Aug 2
Sweet corn — May 7 – May 28 Jul 6
Onion (from sets) — Apr 15 – May 6 Jul 14
Garlic — Sep 22 – Oct 20 (fall) following summer
Spinach — Apr 15 – May 13 May 23
Basil Apr 2 – Apr 16 May 14 – May 28 Jul 10

Plan all 65 crops for Osakis

Osakis'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 19501960197019801990200020102020
Each year's last spring frostLong-term trend
See the data as a table
YearLast spring frost
1941May 10
1943May 13
1944May 6
1945May 13
1946May 31
1947May 29
1948Apr 16
1949May 24
1950May 6
1951May 10
1952Apr 23
1953May 14
1954May 8
1955May 8
1956May 16
1957May 5
1958May 6
1959May 15
1960May 11
1961May 19
1962Apr 23
1963May 23
1964Apr 22
1965May 28
1966May 11
1967May 20
1968May 18
1969May 12
1970May 2
1971May 12
1972Apr 25
1973May 3
1974May 15
1975Apr 21
1976May 7
1977Apr 8
1978Apr 21
1979May 12
1980Apr 15
1981May 10
1982May 7
1983May 16
1984May 8
1985Apr 26
1986May 2
1987Apr 5
1988May 13
1989May 7
1990May 18
1991May 2
1992Apr 27
1993Apr 26
1994May 6
1995Apr 27
1997May 14
1998Apr 28
1999Apr 24
2000Apr 21
2001Apr 24
2002May 10
2003Apr 22
2004May 14
2005May 12
2006Apr 8
2007Apr 15
2008May 3
2009Apr 21
2010May 9
2011May 3
2012Apr 20
2013May 12
2014May 16
2015Apr 23
2016May 15
2017Apr 29
2018Apr 25
2019Apr 15
2020May 12
2021May 11
2022Apr 28
2023Apr 29
2024Apr 21

What this means for you: Since 1941, Osakis's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

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

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