Addison, TX 75287 Frost Dates
75287, near Addison, TX: the frost window
Typically, the last spring freeze lands around 03/07, roughly 191 days out. Fall's first freeze usually shows up around 11/21, roughly 259 days after the last spring frost.
Addison sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Addison'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
03/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/29 and only about 1 year in 10 sees frost after that.
Addison against the rest of the dataset
At roughly 259 frost-free days, Addison places 6,566 of 40,283 ZIP codes in this dataset. Within TX, it ranks 1,382 of 2,558.
Learn more
Two guides worth reading on 75287: the frost range, on how to read the range around Addison's dates instead of trusting one, and local microclimates, on what one yard in Addison can differ from the 75287 normal.