Cat Spring, TX frost dates
Last spring frostFeb 21median date
First fall frostDec 1median date
Growing season283 daysfrost-free
Hardiness zone9aZone 9a
How Cat Spring compares
- In 8 years out of 10, the last spring frost in Cat Spring falls between January 22 and March 14, a 51-day window. The first fall frost falls between November 10 and December 28.
- The median last frost is 22 days earlier than the Texas median of Mar 15.
- Its 283-day growing season is longer than 89% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 10 days earlier than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 14 nights a year at or below 32°F.
- Compared with Cypress, TX, 72 km away, the last frost here is 2 days later than there and the growing season is 4 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 22 |
| 50% (median) | February 21 |
| 10% (safe for tender plants) | March 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 10 |
| 50% (median) | December 1 |
| 90% (late) | December 28 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Cat Spring, TX
Cat Spring, TX frost dates — last frost Feb 21, first frost Dec 1, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Nov 29 to Dec 13Transplant outside: Jan 24 to Feb 7
Start indoors: Dec 13 to Dec 27Transplant outside: Mar 7 to Mar 21
Start indoors: Dec 13 to Dec 27Transplant outside: Mar 7 to Mar 21
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 28 to Mar 14
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Jan 31 to Feb 14Sow outdoors: Jan 24 to Feb 28Plant for fall: Oct 6 to Nov 3
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Jan 24 to Feb 7Sow outdoors: Jan 24 to Feb 7Plant for fall: Sep 22 to Oct 13
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 7 to Feb 21Plant for fall: Aug 25 to Sep 15
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Jan 31 to Feb 14Plant for fall: Aug 25 to Sep 15
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Feb 7 to Feb 21Plant for fall: Aug 25 to Sep 15
Start indoors: Jan 10 to Jan 24Transplant outside: Mar 14 to Mar 28Sow outdoors: Mar 14 to Mar 28
Start indoors: Jan 10 to Jan 24Transplant outside: Feb 28 to Mar 14
Sow outdoors: Jan 10 to Jan 31Plant for fall: Sep 8 to Sep 29
Sow outdoors: Jan 10 to Jan 31Plant for fall: Oct 6 to Oct 27
Sow outdoors: Jan 17 to Feb 28Plant for fall: Oct 20 to Nov 10
Start indoors: Jan 24 to Jan 31Transplant outside: Mar 7 to Mar 14Sow outdoors: Feb 28 to Mar 14Plant for fall: Sep 15 to Sep 29
Start indoors: Jan 24 to Jan 31Sow outdoors: Feb 28 to Mar 14Plant for fall: Sep 22 to Oct 6
Start indoors: Jan 24 to Jan 31Sow outdoors: Feb 28 to Mar 14
Start indoors: Jan 24 to Jan 31Transplant outside: Mar 7 to Mar 21
Sow outdoors: Jan 31 to Feb 28Plant for fall: Sep 8 to Sep 22
Sow outdoors: Jan 31 to Feb 28Plant for fall: Sep 22 to Oct 6
Sow outdoors: Jan 31 to Feb 21
Sow outdoors: Feb 7 to Mar 7Plant for fall: Sep 22 to Oct 6
Sow outdoors: Feb 7 to Feb 28Plant for fall: Oct 6 to Oct 27
Sow outdoors: Feb 28 to Mar 21Plant for fall: Sep 15 to Sep 29
Sow outdoors: Feb 28 to Mar 14
Transplant outside: Mar 7 to Mar 28
Plant for fall: Nov 17 to Dec 22
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Cat Spring, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 29 – Dec 13 | Jan 24 – Feb 7 | — | — |
| Peppers | Dec 13 – Dec 27 | Mar 7 – Mar 21 | — | — |
| Eggplant | Dec 13 – Dec 27 | Mar 7 – Mar 21 | — | — |
| Tomatoes | Dec 27 – Jan 10 | Feb 28 – Mar 14 | — | — |
| Lettuce | Dec 27 – Jan 10 | Jan 31 – Feb 14 | Jan 24 – Feb 28 | Oct 6 – Nov 3 |
| Kale | Dec 27 – Jan 10 | Jan 24 – Feb 7 | Jan 24 – Feb 7 | Sep 22 – Oct 13 |
| Broccoli | Dec 27 – Jan 10 | Feb 7 – Feb 21 | — | Aug 25 – Sep 15 |
| Cabbage | Dec 27 – Jan 10 | Jan 31 – Feb 14 | — | Aug 25 – Sep 15 |
| Cauliflower | Dec 27 – Jan 10 | Feb 7 – Feb 21 | — | Aug 25 – Sep 15 |
| Okra | Jan 10 – Jan 24 | Mar 14 – Mar 28 | Mar 14 – Mar 28 | — |
| Basil | Jan 10 – Jan 24 | Feb 28 – Mar 14 | — | — |
| Peas | — | — | Jan 10 – Jan 31 | Sep 8 – Sep 29 |
| Spinach | — | — | Jan 10 – Jan 31 | Oct 6 – Oct 27 |
| Radishes | — | — | Jan 17 – Feb 28 | Oct 20 – Nov 10 |
| Cucumbers | Jan 24 – Jan 31 | Mar 7 – Mar 14 | Feb 28 – Mar 14 | Sep 15 – Sep 29 |
| Zucchini & Summer Squash | Jan 24 – Jan 31 | — | Feb 28 – Mar 14 | Sep 22 – Oct 6 |
| Winter Squash & Pumpkins | Jan 24 – Jan 31 | — | Feb 28 – Mar 14 | — |
| Melons & Watermelon | Jan 24 – Jan 31 | Mar 7 – Mar 21 | — | — |
| Carrots | — | — | Jan 31 – Feb 28 | Sep 8 – Sep 22 |
| Beets | — | — | Jan 31 – Feb 28 | Sep 22 – Oct 6 |
| Potatoes | — | — | Jan 31 – Feb 21 | — |
| Swiss Chard | — | — | Feb 7 – Mar 7 | Sep 22 – Oct 6 |
| Cilantro | — | — | Feb 7 – Feb 28 | Oct 6 – Oct 27 |
| Green Beans | — | — | Feb 28 – Mar 21 | Sep 15 – Sep 29 |
| Sweet Corn | — | — | Feb 28 – Mar 14 | — |
| Sweet Potatoes | — | Mar 7 – Mar 28 | — | — |
| Garlic | — | — | — | Nov 17 – Dec 22 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Eagle Lake Resch Ctr, TX weather station, 15 km away (elevation 177 ft (54 m)).
Frost dates near Cat Spring
- Alleyton Mar 9 · Nov 20
- Columbus Mar 9 · Nov 20
- Eagle Lake Feb 21 · Dec 1
- Glidden Mar 9 · Nov 20
- New Ulm Mar 9 · Nov 20
- Altair Feb 21 · Dec 1
- Sealy Feb 28 · Nov 30
- Bellville Feb 28 · Dec 2
- Industry Mar 2 · Nov 30
- San Felipe Feb 28 · Nov 30
Frequently asked questions
When is the last frost in Cat Spring, TX?
The median last spring frost in Cat Spring, TX is February 21. There is still about a 10% chance of frost after March 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Cat Spring, TX?
The median first fall frost is December 1, with about a 10% chance of frost before November 10.
How long is the growing season in Cat Spring, TX?
About 283 days between the median last spring frost and first fall frost.
What planting zone is Cat Spring, TX?
Cat Spring, TX is in USDA hardiness zone 9a.