Miami, TX 79059 Frost Dates
79059, near Miami, TX: the frost window
Typically, the last spring freeze lands around 04/10, roughly 225 days out. Fall's first freeze usually shows up around 10/30, roughly 201 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Miami in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Miami's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Miami's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Miami against the rest of the dataset
Miami's growing season runs about 201 days, ranking 17,626 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 2,437 of 2,558.
Learn more
Two guides worth reading on 79059: zone vs. frost date, on why Zone 7a and Miami's frost date answer different questions, and the frost range, on how to read the range around Miami's dates instead of trusting one.