Hollis, OK 73550 Frost Dates
Hollis, OK: when does the frost end?
The last spring frost here typically falls around 04/01, about 216 days from today. Fall's first freeze usually shows up around 11/04, roughly 215 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 Hollis, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Hollis's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hollis's last frost
04/01 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 04/21 and only about 1 year in 10 sees frost after that.
Hollis against the rest of the dataset
About 215 days separate Hollis's last and first frost, putting it 14,127 of 40,283 ZIP codes nationally. Within OK, it ranks 365 of 764.
Learn more
Before leaning on 73550's figures: the frost range explains how to read the range around Hollis's dates instead of trusting one, while local microclimates explains what one yard in Hollis can differ from the 73550 normal.