FrostDateCheck

Lockridge, IA 52635 Frost Dates

Lockridge, IA: when does the frost end?

Zone 5b

Around 04/30 is the usual last spring frost, about 245 days away. Fall's first freeze usually shows up around 10/10, roughly 163 days after the last spring frost.

Lockridge sits in USDA Zone 5b (-15 to -10°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

With roughly 6 weeks until Lockridge's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Lockridge's last frost

04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.

Lockridge against the rest of the dataset

Lockridge's growing season runs about 163 days, ranking 31,538 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 679 of 1,042.

Learn more

Before leaning on 52635's figures: local microclimates explains what one yard in Lockridge can differ from the 52635 normal, while zone vs. frost date explains why Zone 5b and Lockridge's frost date answer different questions.