When to plant beets in Minneapolis, Minnesota

March 26 – April 9

Direct-sow outdoors · 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. Direct-sow beets from approximately the dates above, anchored to the median last spring 32°F freeze (April 23). 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

Direct-sow outdoorsMar 26 – Apr 9
Fall plantingAug 21 – Sep 18
  • indoors under lights
  • in the garden
  • frost-free season
  • 1-in-10 years still freeze to May 7
Beets in Minneapolis · freeze context from Lower St Anthony Falls, MN, 1991–2020 normals.

Every method, with its sources

Direct-sow outdoors

Mar 26 – Apr 9

Purdue: semi-hardy — 2–4 weeks before the last frost. Penn State sows from Apr 1 (−30) and UNH keys to 45°F soil; the later Purdue range is used. Anchored to the median last spring freeze (Apr 23). Purdue University Extension · Penn State Extension (York County Master Gardeners) · University of New Hampshire Extension

Fall planting

Aug 21 – Sep 18

Purdue Table 2: plant fall beets at least 4–8 weeks before the first fall frost, allowing for days to maturity. Anchored to the median first fall freeze (Oct 16). Purdue University Extension

Variety assumption: Assumes an average round variety (about 55–70 days; Penn State lists 70).

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 (3)

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