Frost dates for Schertz, 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
February 21
typical year
Safe to plant
March 14
frost is over in 9 of 10 years
First fall frost
December 5
typical year
Growing season
289 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 | – | Jan 24 – Feb 7 | – |
| Spinach | – | Jan 10 – 31 | Oct 10 – 24 |
| Lettuce | – | Jan 24 – Feb 14 | Oct 10 – 24 |
| Radishes | – | Jan 24 – Mar 7 | Oct 24 – Nov 7 |
| Onions | – | Jan 24 – Feb 7 | – |
| Potatoes | – | Jan 31 – Feb 14 | – |
| Carrots | – | Jan 31 – Feb 21 | Sep 12 – 26 |
| Beets | – | Jan 24 – Feb 7 | Sep 26 – Oct 10 |
| Kale | Dec 13 – 27 | Jan 24 – Feb 7 | Sep 26 – Oct 10 |
| Broccoli | Dec 13 – 27 | Feb 7 – 21 | Sep 26 – Oct 10 |
| Cabbage | Nov 29 – Dec 13 | Jan 24 – Feb 7 | Sep 26 – Oct 10 |
| Garlic | – | – | Oct 24 – Nov 14 |
| Warm-season crops | |||
| Tomatoes | Jan 17 – 31 | Mar 14 – 28 | – |
| Peppers | Jan 10 – 24 | Mar 21 – Apr 4 | – |
| Cucumbers | – | Mar 14 – Apr 4 | – |
| Zucchini | – | Mar 14 – Apr 11 | – |
| Pumpkins | – | Mar 14 – Apr 4 | – |
| Green beans | – | Mar 14 – Sep 26 | – |
| Sweet corn | – | Mar 14 – Apr 11 | – |
| Basil | Feb 7 – 21 | Mar 21 – 28 | – |
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 14 | February 21 | January 10 |
| Fall frost before | November 16 | December 5 | January 1 |
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 January 26 (March 5 in a late year), and the first one in fall around December 19.
Towns that use these dates
This is the nearest NOAA station with frost records for 9 towns.
Schertz, Cibolo, Converse, Universal City, Live Oak, Selma, Garden Ridge, St. Hedwig, New Berlin
Where these dates come from
NOAA weather station RANDOLPH AFB, TX US (USW00012911), 1991–2020 climate normals. It's the nearest station for 11 zip codes, all within 13 miles:
78101, 78108, 78109, 78148, 78150, 78152, 78154, 78233, 78239, 78244, 78266
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.