Carlsbad, NM 88220 Frost Dates
88220, near Carlsbad, NM: the frost window
Typically, the last spring freeze lands around 03/27, roughly 211 days out. Fall's first freeze usually shows up around 11/07, roughly 223 days after the last spring frost.
Zone 8a (10 to 15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Carlsbad, not a forecast for this year.
Stretching the season past the first frost
Carlsbad's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/13 and only about 1 year in 10 sees frost after that.
Carlsbad against the rest of the dataset
Carlsbad's growing season runs about 223 days, ranking 12,023 of 40,283 US ZIP codes measured here, longest to shortest. Within NM, it ranks 55 of 427.
Learn more
Two guides worth reading on 88220: the frost range, on how to read the range around Carlsbad's dates instead of trusting one, and local microclimates, on what one yard in Carlsbad can differ from the 88220 normal.