Ivins, UT 84733 Frost Dates
84733, near Ivins, UT: the frost window
Around 03/18 is the usual last spring frost, about 202 days away. Fall's first freeze usually shows up around 11/09, roughly 234 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 Ivins, not a forecast for this year.
Stretching the season past the first frost
Ivins's growing season runs out in roughly 10 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
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Ivins against the rest of the dataset
Ivins's growing season runs about 234 days, ranking 9,723 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 7 of 344.
Learn more
Two guides worth reading on 84733: the frost range, on how to read the range around Ivins's dates instead of trusting one, and local microclimates, on what one yard in Ivins can differ from the 84733 normal.