When to plant Summer squash (zucchini) in New Mexico

In spring, from Mar 15 – May 1 in Alamogordo to May 20 – June 15 in Las Vegas.

In fall, June 1 – Aug 20.

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

Summer squash planting dates by place in New Mexico
PlaceSpringFall
AlamogordoMar 15 – May 1June 1 – Aug 20
AlbuquerqueMay 1 – June 15June 1 – July 20
ArtesiaApr 20 – June 1June 1 – Aug 1
CarlsbadApr 1 – May 15June 1 – Aug 10
ClovisApr 20 – June 1June 1 – Aug 1
DemingApr 20 – June 1June 1 – Aug 1
EspañolaMay 10 – June 10June 1 – July 15
FarmingtonMay 1 – 30June 1 – July 15
GallupMay 10 – June 10June 1 – July 15
HobbsApr 10 – June 1June 1 – Aug 10
Las CrucesMar 15 – May 1June 1 – Aug 10
Las VegasMay 20 – June 15June 1 – July 1
Los LunasMay 1 – June 15June 1 – July 20
LovingtonApr 10 – June 1June 1 – Aug 10
PortalesApr 20 – June 1June 1 – Aug 1
Rio RanchoApr 20 – June 1June 1 – Aug 1
RoswellApr 20 – June 1June 1 – Aug 1
Santa FeMay 10 – June 10June 1 – July 15
Sunland ParkApr 1 – May 15June 1 – Aug 10

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 summer squash.