When to Plant Radishes in Minnesota
Minnesota spans USDA hardiness 3a to 5a (zones 3a to 5a on this page). Plant radishes by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 3a · Zone 3b · Zone 4a · Zone 4b · Zone 5a
Radishes planting calendar for Minnesota, Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
spring planting
Direct sow
May 16
Projected first harvest
Jul 15
fall planting
Direct sow
Jul 16
Projected first harvest
Sep 14
spring planting
fall planting
Most radishes mature in about 24 to 60 days depending on the variety. Full zone 3 guide (both 3a and 3b) →
Radishes planting calendar for Minnesota, Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
spring planting
Direct sow
May 6
Projected first harvest
Jul 5
fall planting
Direct sow
Jul 21
Projected first harvest
Sep 19
spring planting
fall planting
Most radishes mature in about 24 to 60 days depending on the variety. Full zone 3 guide (both 3a and 3b) →
Radishes planting calendar for Minnesota, Zone 4a
Average last spring frost
May 15
Average first fall frost
September 20
spring planting
Direct sow
May 1
Projected first harvest
Jun 30
fall planting
Direct sow
Jul 26
Projected first harvest
Sep 24
spring planting
fall planting
Most radishes mature in about 24 to 60 days depending on the variety. Full zone 4 guide (both 4a and 4b) →
Radishes planting calendar for Minnesota, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
spring planting
Direct sow
Apr 26
Projected first harvest
Jun 25
fall planting
Direct sow
Jul 31
Projected first harvest
Sep 29
spring planting
fall planting
Most radishes mature in about 24 to 60 days depending on the variety. Full zone 4 guide (both 4a and 4b) →
Radishes planting calendar for Minnesota, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
spring planting
Direct sow
Apr 21
Projected first harvest
Jun 20
fall planting
Direct sow
Aug 6
Projected first harvest
Oct 5
spring planting
fall planting
Most radishes mature in about 24 to 60 days depending on the variety. Full zone 5 guide (both 5a and 5b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
6 varieties of radishes in the HomeSown library. Tap any for its full grow guide.
Common problems with radishes
What to watch for, with identification and treatment for each
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