Arlington, TX · zone 8a · ~255 frost-free days
When to plant a garden in Arlington.
In Arlington, the typical last spring frost lands around Mar 10 and the first fall frost around Nov 20, giving you about 255 frost-free days. Cool-season crops go out before the last frost; warm-season crops wait until after it.
The 2026 windows
Sow dates for Arlington, keyed to your frost.
| Crop | Start indoors | Spring sow / set out | Fall sow |
|---|---|---|---|
| Tomato, slicing | Feb 3 to Apr 5 | Mar 17 to May 17 | — |
| Lettuce, leaf | — | Jan 31 to Mar 17 | Sep 6 to Nov 5 |
| Carrot | — | Jan 31 to Mar 5 | Aug 25 to Sep 20 |
| Bush Bean | — | Mar 10 to Apr 30 | Aug 6 to Sep 8 |
| Cucumber, slicing | — | Mar 17 to Jun 16 | Jul 20 to Aug 20 |
| Pepper, bell | Feb 12 to Apr 5 | Mar 26 to May 17 | — |
| Kale | Dec 20 to Jan 17 | Jan 31 to Feb 28 | Aug 20 to Oct 5 |
| Spinach | — | Jan 17 to Feb 28 | Sep 6 to Oct 25 |
Arlington sits in Zone 8a, but two gardens in the same city can be a week or two apart. The planner works from your ZIP code's frost dates, not the zone, so the dates land right for your block, not the metro average.
Build your Arlington garden plan.
Tell the free planner what you want to eat and who you're feeding. It returns plant counts, spacing, and frost-safe sow dates for ZIP 76010 in about 60 seconds.