Find your average first and last frost dates by zip code. Calculate your growing season length. Plan your planting calendar with confidence. Last spring frost and first fall frost dates for Arlington, TX (ZIP code 76001). 247 frost-free days. 8b growing zone. Free planting calendar updated for 2026. Growing Season: Last frost around Mar. 1 - Mar. 10 — First frost around Nov. 11 - Nov. 20 — Approximately 30-40 Days frost days per year. Climate data for Arlington, Texas: monthly average temperatures, precipitation, frost dates, plant hardiness zone, and drought conditions. What is the last frost date in Arlington, TX? The average last spring frost in Arlington is February 15. This is based on USDA zone 8a historical averages. Plan transplanting and spring lawn care around this date — wait 2 weeks after for frost-sensitive plantings. When is the first fall frost in Arlington? Arlington’s average first fall frost is December 1. This sets deadlines for fall. Our frost date calculator will tell you precisely when your garden in Arlington, Texas is at risk for frost. Average last frost in Arlington, TX is March 9. Get frost dates, growing season length, and a free 42-crop planting calendar. Enter your zip code for your average last spring frost, first fall frost, USDA zone, and season length, read from your nearest NOAA station. Find average frost dates for Arlington, TX. View the last spring frost and first fall frost dates to plan your garden and protect your plants. Average Date of. The percentage column tells you the probability that you will experience that row's temperature on or near that date. Here are two examples to help you determine your probable last frost and first freeze dates.