FrostDateCheck

Richmond, TX 77487 Frost Dates

77487, near Richmond, TX: the frost window

Zone 9b

Around 02/15 is the usual last spring frost, about 171 days away. Fall's first freeze usually shows up around 12/06, roughly 297 days after the last spring frost.

Richmond sits in USDA Zone 9b (25 to 30°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

Richmond's growing season runs out in roughly 14 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

02/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/15 and only about 1 year in 10 sees frost after that.

Richmond against the rest of the dataset

At roughly 297 frost-free days, Richmond places 4,220 of 40,283 ZIP codes in this dataset. Within TX, it ranks 492 of 2,558.

Learn more

Two guides worth reading on 77487: local microclimates, on what one yard in Richmond can differ from the 77487 normal, and zone vs. frost date, on why Zone 9b and Richmond's frost date answer different questions.