When to plant beets in Washington, District of Columbia

February 24 – March 10

Direct-sow outdoors · typical Washington year

Climate basis: NOAA station Washington Reagan AP, VA (USW00013743), 3 mi (5 km) from downtown Washington (ZCTA 20004 centroid), elevation 10 ft, on the 1991–2020 climate normals. Direct-sow beets from approximately the dates above, anchored to the median last spring 32°F freeze (March 24). One year in ten still freezes after April 6.

Last spring freezeMarch 241-in-10 after Apr 6
First fall freezeNovember 181-in-10 before Nov 5
Frost-free season241 daysmedian at 32°F
Hard freeze, 28°Mar 12Dec 3kills even hardy greens

The Washington year

Direct-sow outdoorsFeb 24 – Mar 10
Fall plantingSep 23 – Oct 21
  • indoors under lights
  • in the garden
  • frost-free season
  • 1-in-10 years still freeze to Apr 6
Beets in Washington · freeze context from Washington Reagan AP, VA, 1991–2020 normals.

Every method, with its sources

Direct-sow outdoors

Feb 24 – Mar 10

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 (Mar 24). Purdue University Extension · Penn State Extension (York County Master Gardeners) · University of New Hampshire Extension

Fall planting

Sep 23 – Oct 21

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 (Nov 18). 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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