Rockwall, TX 75087 Frost Dates
When can you plant in Rockwall, TX?
The last spring frost here typically falls around 03/07, about 191 days from today. The first fall frost typically arrives around 11/21, about 259 frost-free days later.
Zone 8b (15 to 20°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 Rockwall, not a forecast for this year.
What to do before the first frost
About 12 weeks of growing season left in Rockwall 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
03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/18 and you're betting against frost in roughly 9 years out of 10. 03/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rockwall compares
Rockwall's growing season runs about 259 days, ranking 6,551 of 40,283 US ZIP codes measured here, longest to shortest. Within TX, it ranks 1,371 of 2,558.
Learn more
the frost range covers how to read the range around Rockwall's dates instead of trusting one. local microclimates covers what one yard in Rockwall can differ from the 75087 normal.