New Virginia, IA 50210 Frost Dates
Frost dates for New Virginia, IA, ZIP 50210
The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/12, about 168 frost-free days later.
Zone 5b (-15 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 New Virginia, not a forecast for this year.
What to do before the first frost
Zone 5b around New Virginia has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Virginia compares
New Virginia's growing season runs about 168 days, ranking 29,768 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 387 of 1,042.
Learn more
the frost range explains how to read the range around New Virginia's dates instead of trusting one, and local microclimates explains what one yard in New Virginia can differ from the 50210 normal.