Corpus Christi, TX · zone 9b · ~327 frost-free days
When to plant in Corpus Christi: frost dates and zone 9b.
In Corpus Christi, the typical last spring frost lands around Jan 29 and the first fall frost around Dec 22, giving you about 327 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 Corpus Christi, keyed to your frost.
| Crop | Start indoors | Spring sow / set out | Fall sow |
|---|---|---|---|
| Tomato, slicing | Dec 25 to Feb 24 | Feb 5 to Apr 7 | — |
| Lettuce, leaf | — | Dec 22 to Feb 5 | Oct 8 to Dec 7 |
| Carrot | — | Dec 22 to Jan 24 | Sep 26 to Oct 22 |
| Bush Bean | — | Jan 29 to Mar 21 | Sep 7 to Oct 10 |
| Cucumber, slicing | — | Feb 5 to May 7 | Aug 21 to Sep 21 |
| Pepper, bell | Jan 3 to Feb 24 | Feb 14 to Apr 7 | — |
| Kale | Nov 10 to Dec 8 | Dec 22 to Jan 19 | Sep 21 to Nov 6 |
| Spinach | — | Dec 8 to Jan 19 | Oct 8 to Nov 26 |
Corpus Christi sits in Zone 9b, 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 Corpus Christi 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 78401 in about 60 seconds.
Corpus Christi planting questions
What planting zone is Corpus Christi, TX?+
Corpus Christi is in USDA hardiness zone 9b. Growing zone, gardening zone, and planting zone all mean the same thing: the USDA number, 9b here. It tells you what survives winter, not when to plant. Frost dates set your planting time, and the free planner uses your exact ZIP code's frost dates, which can differ by weeks across one metro.
When is the last frost date in Corpus Christi?+
The typical last spring frost in Corpus Christi, TX is around Jan 29. That is an average from local history, not a guarantee, so tender crops like tomatoes and peppers are safer with a week of buffer after it.
When is the first frost date in Corpus Christi?+
The typical first fall frost in Corpus Christi, TX arrives around Dec 22, closing a growing season of roughly 327 frost-free days. Count backward from it to find the last date a fall crop can still finish.
What can I plant now in Corpus Christi?+
It depends on the date. Cool-season crops like lettuce, kale, and spinach go out weeks before the last frost; warm-season crops like tomatoes and peppers wait until after Jan 29. The table above shows each crop's window; the free planner turns your ZIP into an exact, dated calendar.