PlantingWindowThe American Planting Almanac

When to plant mustard greens in New York, New York

March 2 – March 16

Direct-sow outdoors · typical New York year

Climate basis: NOAA station New York Cntrl Pk Twr, NY (USW00094728), 5 mi (8 km) from downtown New York (ZCTA 10007 centroid), elevation 130 ft, on the 1991–2020 climate normals. Direct-sow mustard greens from approximately the dates above, anchored to the median last spring 32°F freeze (March 30). One year in ten still freezes after April 9.

Last spring freezeMarch 301-in-10 after Apr 9
First fall freezeNovember 201-in-10 before Nov 6
Frost-free season≈ 236 daysmedian at 32°F
Hard freeze, 28°Mar 19 – Dec 1kills even hardy greens

The New York year

Direct-sow outdoorsMar 2 – Mar 16
Fall plantingSep 25 – Oct 23
  • indoors under lights
  • in the garden
  • frost-free season
  • 1-in-10 years still freeze to Apr 9
Mustard greens in New York · freeze context from New York Cntrl Pk Twr, NY, 1991–2020 normals.

Every method, with its sources

Direct-sow outdoors

Mar 2 – Mar 16

Purdue lists mustard under both hardy (4–6 weeks before the last frost) and semi-hardy (2–4 weeks before); the later semi-hardy start is used. Anchored to the median last spring freeze (Mar 30). Purdue University Extension

Fall planting

Sep 25 – Oct 23

Purdue Table 2: plant fall mustard greens at least 4–8 weeks before the first fall frost. Anchored to the median first fall freeze (Nov 20). Purdue University Extension

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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