Mount Enterprise, TX 75680 Frost Dates
75680, near Mount Enterprise, TX: the frost window
Around 03/11 is the usual last spring frost, about 195 days away. Fall's first freeze usually shows up around 11/17, roughly 250 days after the last spring frost.
Zone 8b (15 to 20°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 Mount Enterprise, not a forecast for this year.
Stretching the season past the first frost
Mount Enterprise'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
03/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/30 and only about 1 year in 10 sees frost after that.
Mount Enterprise against the rest of the dataset
At roughly 250 frost-free days, Mount Enterprise places 7,579 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,702 of 2,558.
Learn more
Two guides worth reading on 75680: local microclimates, on what one yard in Mount Enterprise can differ from the 75680 normal, and zone vs. frost date, on why Zone 8b and Mount Enterprise's frost date answer different questions.