Paradise Valley, AZ 85252 Frost Dates
When can you plant in Paradise Valley, AZ?
The last spring frost here typically falls around 02/13, about 169 days from today. The first fall frost typically arrives around 12/05, about 298 frost-free days later.
Zone 9b (25 to 30°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 Paradise Valley, not a forecast for this year.
What to do before the first frost
About 14 weeks of growing season left in Paradise Valley 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
02/13 is the middle of 30 years of NOAA records, not a promise. Plant by 01/12 and you're betting against frost in roughly 9 years out of 10. 03/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Paradise Valley compares
Paradise Valley's growing season runs about 298 days, ranking 4,204 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 272 of 506.
Learn more
the frost range covers how to read the range around Paradise Valley's dates instead of trusting one. local microclimates covers what one yard in Paradise Valley can differ from the 85252 normal.