When to plant beets in Anchorage, Alaska

April 3 – April 17

Direct-sow outdoors · typical Anchorage year

Climate basis: NOAA station Anchorage Merrill Fld, AK (USW00026409), 0 mi (0 km) from downtown Anchorage (ZCTA 99501 centroid), elevation 138 ft, on the 1991–2020 climate normals. Direct-sow beets from approximately the dates above, anchored to the median last spring 32°F freeze (May 1). One year in ten still freezes after May 9.

Last spring freezeMay 11-in-10 after May 9
First fall freezeSeptember 291-in-10 before Sep 17
Frost-free season150 daysmedian at 32°F
Hard freeze, 28°Apr 19Oct 8kills even hardy greens
USDA zone5a-20 to -15°F winter low not frost timing

The Anchorage year

Direct-sow outdoorsApr 3 – Apr 17
Fall plantingAug 4 – Sep 1
  • indoors under lights
  • in the garden
  • frost-free season
  • 1-in-10 years still freeze to May 9
Beets in Anchorage · freeze context from Anchorage Merrill Fld, AK, 1991–2020 normals.

Every method, with its sources

Direct-sow outdoors

Apr 3 – Apr 17

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 (May 1). Purdue University Extension · Penn State Extension (York County Master Gardeners) · University of New Hampshire Extension

Fall planting

Aug 4 – Sep 1

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 (Sep 29). 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)

Keep exploring