When to plant garlic in Minneapolis, Minnesota

October 23 – October 30

Fall planting · typical Minneapolis year

Climate basis: NOAA station Lower St Anthony Falls, MN (USC00214884), 1 mi (2 km) from downtown Minneapolis (ZCTA 55401 centroid), elevation 754 ft, on the 1991–2020 climate normals. Plant garlic cloves from approximately the dates above, anchored to the median first fall 32°F freeze (October 16). One year in ten still freezes after May 7.

Last spring freezeApril 231-in-10 after May 7
First fall freezeOctober 161-in-10 before Oct 2
Frost-free season175 daysmedian at 32°F
Hard freeze, 28°Apr 14Oct 27kills even hardy greens
USDA zone5a-20 to -15°F winter low not frost timing

The Minneapolis year

Fall plantingOct 23 – Oct 30
  • indoors under lights
  • in the garden
  • frost-free season
  • 1-in-10 years still freeze to May 7
Garlic in Minneapolis · freeze context from Lower St Anthony Falls, MN, 1991–2020 normals.

Every method, with its sources

Fall planting

Oct 23 – Oct 30

Minnesota: plant cloves in the fall, usually one or two weeks AFTER the first killing frost (before the ground freezes). Harvest is the following summer. Anchored to the median first fall freeze (Oct 16). University of Minnesota Extension

Start seeds indoors

Not calculated

Garlic is grown from cloves planted in fall, not from seed or spring transplants.

Transplant outdoors

Not calculated

The cited extension guides do not time an outdoor transplanting window for this crop.

Direct-sow outdoors

Not calculated

The cited extension guides do not time direct sowing for this crop.

Variety assumption: Overwinters in the ground; bulbs are harvested the following summer.

These windows describe typical years (1991–2020 climate normals), not this year's forecast. Freezes happen outside them — especially in frost pockets, valleys, and urban edges. Watch the forecast before committing tender plants.

This week, not a typical year:
Crop rule sources (1)

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