West Lake Hills, TX 78746 Frost Dates
When can you plant in West Lake Hills, TX?
The last spring frost here typically falls around 02/20, about 176 days from today. The first fall frost typically arrives around 12/03, about 291 frost-free days later.
West Lake Hills sits in USDA Zone 9a (20 to 25°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.
What to do before the first frost
About 14 weeks of growing season left in West Lake Hills 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
02/20 is the middle of 30 years of NOAA records, not a promise. Plant by 01/23 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 West Lake Hills compares
At roughly 291 frost-free days, West Lake Hills places 4,449 of 40,283 ZIP codes in this dataset. Within TX, it ranks 604 of 2,558.
Learn more
local microclimates covers what one yard in West Lake Hills can differ from the 78746 normal. zone vs. frost date covers why Zone 9a and West Lake Hills's frost date answer different questions.