Blanding, UT 84533 Frost Dates
84533, near Blanding, UT: the frost window
The last spring frost here typically falls around 03/09, about 193 days from today. Fall's first freeze usually shows up around 11/20, roughly 253 days after the last spring frost.
Zone 8a (10 to 15°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 Blanding, not a forecast for this year.
Stretching the season past the first frost
Blanding's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/05 and only about 1 year in 10 sees frost after that.
Blanding against the rest of the dataset
At roughly 253 frost-free days, Blanding places 7,148 of 40,283 ZIP codes in this dataset. Within UT, it ranks 1 of 344.
Learn more
Two guides worth reading on 84533: local microclimates, on what one yard in Blanding can differ from the 84533 normal, and zone vs. frost date, on why Zone 8a and Blanding's frost date answer different questions.