Nichols Hills, OK 73116 Frost Dates
Nichols Hills, OK: when does the frost end?
The last spring frost here typically falls around 04/02, about 217 days from today. Fall's first freeze usually shows up around 11/04, roughly 216 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 Nichols Hills, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Nichols Hills's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Nichols Hills against the rest of the dataset
Nichols Hills's growing season runs about 216 days, ranking 13,784 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 323 of 764.
Learn more
Before leaning on 73116's figures: the frost range explains how to read the range around Nichols Hills's dates instead of trusting one, while local microclimates explains what one yard in Nichols Hills can differ from the 73116 normal.