Annabella, UT 84711 Frost Dates
When can you plant in Annabella, UT?
The last spring frost here typically falls around 05/21, about 266 days from today. The first fall frost typically arrives around 09/24, about 125 frost-free days later.
The USDA Plant Hardiness Zone Map puts Annabella in Zone 6a (-10 to -5°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 4 weeks of growing season left in Annabella before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/21 isn't a guarantee
05/21 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 06/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Annabella compares
Annabella's growing season runs about 125 days, ranking 38,778 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 263 of 344.
Learn more
zone vs. frost date covers why Zone 6a and Annabella's frost date answer different questions. the frost range covers how to read the range around Annabella's dates instead of trusting one.