Frost dates for Trinity, TX
When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.
Last spring frost
March 2
typical year
Safe to plant
March 24
frost is over in 9 of 10 years
First fall frost
November 26
typical year
Growing season
272 days
frost-free, typical year
Frost watch this week
Tonight's and the next six nights' lows from the National Weather Service forecast for the station's location. Frost: 32°F or colder. Possible frost: 33–36°F, mostly in low spots on clear, still nights.
When to plant
Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.
| Crop | Start indoors | Plant outside | Fall planting |
|---|---|---|---|
| Cool-season crops | |||
| Peas | – | Feb 2 – 16 | – |
| Spinach | – | Jan 19 – Feb 9 | Oct 1 – 15 |
| Lettuce | – | Feb 2 – 23 | Oct 1 – 15 |
| Radishes | – | Feb 2 – Mar 16 | Oct 15 – 29 |
| Onions | – | Feb 2 – 16 | – |
| Potatoes | – | Feb 9 – 23 | – |
| Carrots | – | Feb 9 – Mar 2 | Sep 3 – 17 |
| Beets | – | Feb 2 – 16 | Sep 17 – Oct 1 |
| Kale | Dec 22 – Jan 5 | Feb 2 – 16 | Sep 17 – Oct 1 |
| Broccoli | Dec 22 – Jan 5 | Feb 16 – Mar 2 | Sep 17 – Oct 1 |
| Cabbage | Dec 8 – 22 | Feb 2 – 16 | Sep 17 – Oct 1 |
| Garlic | – | – | Oct 15 – Nov 5 |
| Warm-season crops | |||
| Tomatoes | Jan 27 – Feb 10 | Mar 24 – Apr 7 | – |
| Peppers | Jan 20 – Feb 3 | Mar 31 – Apr 14 | – |
| Cucumbers | – | Mar 24 – Apr 14 | – |
| Zucchini | – | Mar 24 – Apr 21 | – |
| Pumpkins | – | Mar 24 – Apr 14 | – |
| Green beans | – | Mar 24 – Sep 17 | – |
| Sweet corn | – | Mar 24 – Apr 21 | – |
| Basil | Feb 17 – Mar 3 | Mar 31 – Apr 7 | – |
Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.
The year at a glance
Start indoors Plant outside Fall planting
The chance of frost, by date
| 1 year in 10 | Half of years | 9 years in 10 | |
|---|---|---|---|
| Spring frost after | March 24 | March 2 | January 31 |
| Fall frost before | November 7 | November 26 | December 19 |
Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.
Hard freeze (28°F)
A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around February 8 (March 10 in a late year), and the first one in fall around December 16.
Towns that use these dates
This is the nearest NOAA station with frost records for 1 town.
Trinity
Where these dates come from
NOAA weather station HUNTSVILLE MUNI AP, TX US (USW00053903), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 19 miles:
77320, 77342, 77873, 77876
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.