Fredericksburg, TX 78675 Frost Dates
Fredericksburg, TX: when does the frost end?
Around 03/20 is the usual last spring frost, about 204 days away. Fall's first freeze usually shows up around 11/10, roughly 235 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Fredericksburg in Zone 8b (15 to 20°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
With roughly 11 weeks until Fredericksburg's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/11 and only about 1 year in 10 sees frost after that.
Fredericksburg against the rest of the dataset
Fredericksburg's growing season runs about 235 days, ranking 9,575 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 2,020 of 2,558.
Learn more
Before leaning on 78675's figures: zone vs. frost date explains why Zone 8b and Fredericksburg's frost date answer different questions, while the frost range explains how to read the range around Fredericksburg's dates instead of trusting one.