FrostDateCheck

Silver Lake, OH 44221 Frost Dates

44221, near Silver Lake, OH: the frost window

Zone 6b

Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/28, roughly 186 days after the last spring frost.

Silver Lake sits in USDA Zone 6b (-5 to 0°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

Silver Lake's growing season runs out in roughly 9 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 Silver Lake's last frost

04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.

Silver Lake against the rest of the dataset

Silver Lake's growing season runs about 186 days, ranking 22,846 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 498 of 1,383.

Learn more

Two guides worth reading on 44221: local microclimates, on what one yard in Silver Lake can differ from the 44221 normal, and zone vs. frost date, on why Zone 6b and Silver Lake's frost date answer different questions.