When to plant Turnips in New Mexico

In spring, from Feb 1 – Mar 1 in Alamogordo to Apr 15 – June 1 in Las Vegas.

In fall, from June 1 – Aug 1 in Las Vegas to Sept 1 – Oct 15 in Sunland Park.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Turnips planting dates by place in New Mexico
PlaceSpringFall
AlamogordoFeb 1 – Mar 1Sept 1 – Nov 15Now
AlbuquerqueMar 10 – Apr 1July 15 – Aug 15
ArtesiaMar 1 – Apr 1Aug 1 – Sept 15
CarlsbadFeb 10 – Mar 10Sept 1 – Oct 15
ClovisMar 1 – Apr 1Aug 1 – Sept 15
DemingMar 1 – Apr 1Aug 1 – Sept 15
EspañolaApr 1 – June 1July 1 – Aug 1
FarmingtonMar 20 – May 1July 1 – Aug 1
GallupApr 1 – June 1July 1 – Aug 1
HobbsFeb 20 – Mar 20Sept 1 – Oct 15
Las CrucesFeb 1 – Mar 1Sept 1 – Oct 15
Las VegasApr 15 – June 1June 1 – Aug 1
Los LunasMar 10 – Apr 1July 15 – Aug 15
LovingtonFeb 20 – Mar 20Sept 1 – Oct 15
PortalesMar 1 – Apr 1Aug 1 – Sept 15
Rio RanchoMar 1 – Apr 1Aug 1 – Sept 15
RoswellMar 1 – Apr 1Aug 1 – Sept 15
Santa FeApr 1 – June 1July 1 – Aug 1
Sunland ParkFeb 10 – Mar 10Sept 1 – Oct 15

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. The full USDA table for turnips.