FrostDateCheck

Indiantown, FL 34991 Frost Dates

34991, near Indiantown, FL: the frost window

Zone 10b

Around 01/23 is the usual last spring frost, about 148 days away. Fall's first freeze usually shows up around 01/18, roughly 365 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Indiantown in Zone 10b (35 to 40°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

Indiantown's growing season runs out in roughly 20 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 Indiantown's last frost

01/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 02/10 and only about 1 year in 10 sees frost after that.

Indiantown against the rest of the dataset

Indiantown's growing season runs about 365 days, ranking 1,845 of 40,283 US ZIP codes measured here, longest to shortest. Within FL, it ranks 794 of 1,609.

Learn more

Two guides worth reading on 34991: the frost range, on how to read the range around Indiantown's dates instead of trusting one, and local microclimates, on what one yard in Indiantown can differ from the 34991 normal.