Linden, IA 50146 Frost Dates
When can you plant in Linden, IA?
Around 05/02 is the usual last spring frost, about 247 days away. The first fall frost typically arrives around 10/03, about 153 frost-free days later.
Zone 5a (-20 to -15°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 Linden, not a forecast for this year.
What to do before the first frost
About 5 weeks of growing season left in Linden before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Linden's last frost
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Linden compares
At roughly 153 frost-free days, Linden places 34,641 of 40,283 ZIP codes in this dataset. Within IA, it ranks 939 of 1,042.
Learn more
the frost range covers how to read the range around Linden's dates instead of trusting one. local microclimates covers what one yard in Linden can differ from the 50146 normal.