Holland, OH 43542 Frost Dates
43542, near Holland, OH: the frost window
Typically, the last spring freeze lands around 04/22, roughly 237 days out. Fall's first freeze usually shows up around 10/24, roughly 188 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Holland in Zone 6b (-5 to 0°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
Holland's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Holland against the rest of the dataset
At roughly 188 frost-free days, Holland places 22,087 of 40,283 ZIP codes in this dataset. Within OH, it ranks 393 of 1,383.
Learn more
Two guides worth reading on 43542: zone vs. frost date, on why Zone 6b and Holland's frost date answer different questions, and the frost range, on how to read the range around Holland's dates instead of trusting one.