Sahuarita, AZ 85738 Frost Dates
When can you plant in Sahuarita, AZ?
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 11/04, about 195 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sahuarita in Zone 9a (20 to 25°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 10 weeks of growing season left in Sahuarita before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sahuarita compares
At roughly 195 frost-free days, Sahuarita places 19,182 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 407 of 506.
Learn more
the frost range covers how to read the range around Sahuarita's dates instead of trusting one. local microclimates covers what one yard in Sahuarita can differ from the 85738 normal.