Leon Valley, TX 78238 Frost Dates
When can you plant in Leon Valley, TX?
The last spring frost here typically falls around 02/18, about 174 days from today. The first fall frost typically arrives around 12/09, about 296 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 Leon Valley, not a forecast for this year.
What to do before the first frost
About 15 weeks of growing season left in Leon Valley before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 02/18 isn't a guarantee
02/18 is the middle of 30 years of NOAA records, not a promise. Plant by 01/18 and you're betting against frost in roughly 9 years out of 10. 03/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Leon Valley compares
Leon Valley's growing season runs about 296 days, ranking 4,234 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 503 of 2,558.
Learn more
the frost range covers how to read the range around Leon Valley's dates instead of trusting one. local microclimates covers what one yard in Leon Valley can differ from the 78238 normal.