Avondale, AZ 85073 Frost Dates
When can you plant in Avondale, AZ?
Around 01/14 is the usual last spring frost, about 139 days away. The first fall frost typically arrives around 12/22, about 343 frost-free days later.
Zone 10a (30 to 35°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 Avondale, not a forecast for this year.
What to do before the first frost
About 17 weeks of growing season left in Avondale 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
01/14 is the middle of 30 years of NOAA records, not a promise. Plant by 02/12 and you're betting against frost in roughly 9 years out of 10. 12/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Avondale compares
At roughly 343 frost-free days, Avondale places 2,488 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 102 of 506.
Learn more
the frost range covers how to read the range around Avondale's dates instead of trusting one. local microclimates covers what one yard in Avondale can differ from the 85073 normal.