Kingston, UT 84743 Frost Dates
When can you plant in Kingston, UT?
The last spring frost here typically falls around 05/24, about 269 days from today. The first fall frost typically arrives around 09/25, about 123 frost-free days later.
Zone 5b (-15 to -10°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 Kingston, not a forecast for this year.
What to do before the first frost
About 4 weeks of growing season left in Kingston 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
05/24 is the middle of 30 years of NOAA records, not a promise. Plant by 05/06 and you're betting against frost in roughly 9 years out of 10. 06/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kingston compares
About 123 days separate Kingston's last and first frost, putting it 38,925 of 40,283 ZIP codes nationally. Within UT, it ranks 279 of 344.
Learn more
local microclimates covers what one yard in Kingston can differ from the 84743 normal. zone vs. frost date covers why Zone 5b and Kingston's frost date answer different questions.