Oak Ridge North, TX 77389 Frost Dates
77389, near Oak Ridge North, TX: the frost window
Typically, the last spring freeze lands around 02/19, roughly 175 days out. Fall's first freeze usually shows up around 12/03, roughly 290 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Oak Ridge North in Zone 9b (25 to 30°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
Oak Ridge North's growing season runs out in roughly 14 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 Oak Ridge North's last frost
02/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/15 and only about 1 year in 10 sees frost after that.
Oak Ridge North against the rest of the dataset
At roughly 290 frost-free days, Oak Ridge North places 4,529 of 40,283 ZIP codes in this dataset. Within TX, it ranks 663 of 2,558.
Learn more
Two guides worth reading on 77389: local microclimates, on what one yard in Oak Ridge North can differ from the 77389 normal, and zone vs. frost date, on why Zone 9b and Oak Ridge North's frost date answer different questions.