FrostDateCheck

La Vernia, TX 78121 Frost Dates

When can you plant in La Vernia, TX?

Zone 9a

Typically, the last spring freeze lands around 02/21, roughly 177 days out. The first fall frost typically arrives around 12/05, about 289 frost-free days later.

Zone 9a (20 to 25°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 La Vernia, not a forecast for this year.

What to do before the first frost

About 14 weeks of growing season left in La Vernia before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

02/21 is the middle of 30 years of NOAA records, not a promise. Plant by 01/10 and you're betting against frost in roughly 9 years out of 10. 03/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How La Vernia compares

About 289 days separate La Vernia's last and first frost, putting it 4,557 of 40,283 ZIP codes nationally. Within TX, it ranks 677 of 2,558.

Learn more

the frost range covers how to read the range around La Vernia's dates instead of trusting one. local microclimates covers what one yard in La Vernia can differ from the 78121 normal.