Mountain Park, OK 73559 Frost Dates
Mountain Park, OK: when does the frost end?
Typically, the last spring freeze lands around 03/28, roughly 212 days out. Fall's first freeze usually shows up around 11/06, roughly 224 days after the last spring frost.
Zone 7b (5 to 10°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 Mountain Park, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Mountain Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Mountain Park's last frost
03/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Mountain Park against the rest of the dataset
Mountain Park's growing season runs about 224 days, ranking 11,950 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 99 of 764.
Learn more
Before leaning on 73559's figures: the frost range explains how to read the range around Mountain Park's dates instead of trusting one, while local microclimates explains what one yard in Mountain Park can differ from the 73559 normal.