Frost dates for 77381 — Spring, TX
How Spring compares
- In 8 years out of 10, the last spring frost in Spring falls between January 21 and March 15, a 53-day window. The first fall frost falls between November 13 and January 5.
- The median last frost is 24 days earlier than the Texas median of Mar 15.
- Its 287-day growing season is longer than 92% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 12 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 Conroe, TX, 14 km away, the last frost here is 5 days earlier than there and the growing season is 6 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 21 |
| 50% (median) | February 19 |
| 10% (safe for tender plants) | March 15 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 13 |
| 50% (median) | December 3 |
| 90% (late) | January 5 |
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 Spring, TX
Frost dates for 77381 — Spring, TX — last frost Feb 19, first frost Dec 3, zone 9a. whenisthelastfrost.com
When to plant vegetables in Spring, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 27 – Dec 11 | Jan 22 – Feb 5 | — | — |
| Peppers | Dec 11 – Dec 25 | Mar 5 – Mar 19 | — | — |
| Eggplant | Dec 11 – Dec 25 | Mar 5 – Mar 19 | — | — |
| Tomatoes | Dec 25 – Jan 8 | Feb 26 – Mar 12 | — | — |
| Lettuce | Dec 25 – Jan 8 | Jan 29 – Feb 12 | Jan 22 – Feb 26 | Oct 8 – Nov 5 |
| Kale | Dec 25 – Jan 8 | Jan 22 – Feb 5 | Jan 22 – Feb 5 | Sep 24 – Oct 15 |
| Broccoli | Dec 25 – Jan 8 | Feb 5 – Feb 19 | — | Aug 27 – Sep 17 |
| Cabbage | Dec 25 – Jan 8 | Jan 29 – Feb 12 | — | Aug 27 – Sep 17 |
| Cauliflower | Dec 25 – Jan 8 | Feb 5 – Feb 19 | — | Aug 27 – Sep 17 |
| Okra | Jan 8 – Jan 22 | Mar 12 – Mar 26 | Mar 12 – Mar 26 | — |
| Basil | Jan 8 – Jan 22 | Feb 26 – Mar 12 | — | — |
| Peas | — | — | Jan 8 – Jan 29 | Sep 10 – Oct 1 |
| Spinach | — | — | Jan 8 – Jan 29 | Oct 8 – Oct 29 |
| Radishes | — | — | Jan 15 – Feb 26 | Oct 22 – Nov 12 |
| Cucumbers | Jan 22 – Jan 29 | Mar 5 – Mar 12 | Feb 26 – Mar 12 | Sep 17 – Oct 1 |
| Zucchini & Summer Squash | Jan 22 – Jan 29 | — | Feb 26 – Mar 12 | Sep 24 – Oct 8 |
| Winter Squash & Pumpkins | Jan 22 – Jan 29 | — | Feb 26 – Mar 12 | — |
| Melons & Watermelon | Jan 22 – Jan 29 | Mar 5 – Mar 19 | — | — |
| Carrots | — | — | Jan 29 – Feb 26 | Sep 10 – Sep 24 |
| Beets | — | — | Jan 29 – Feb 26 | Sep 24 – Oct 8 |
| Potatoes | — | — | Jan 29 – Feb 19 | — |
| Swiss Chard | — | — | Feb 5 – Mar 5 | Sep 24 – Oct 8 |
| Cilantro | — | — | Feb 5 – Feb 26 | Oct 8 – Oct 29 |
| Green Beans | — | — | Feb 26 – Mar 19 | Sep 17 – Oct 1 |
| Sweet Corn | — | — | Feb 26 – Mar 12 | — |
| Sweet Potatoes | — | Mar 5 – Mar 26 | — | — |
| Garlic | — | — | — | Nov 19 – Dec 24 |
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 Houston Hooks Mem Ap, TX weather station, 13 km away (elevation 151 ft (46 m)).
ZIP codes in Spring: 77373 77379 77380 77381 77382 77383 77386 77387 77388 77389 77391 77393
Frost dates near Spring
- Hufsmith Feb 19 · Dec 3
- Conroe Feb 24 · Dec 2
- Pinehurst Feb 19 · Dec 3
- Magnolia Feb 19 · Dec 3
- Tomball Feb 19 · Dec 3
- Porter Feb 13 · Dec 9
- New Caney Feb 13 · Dec 9
- Splendora Mar 7 · Nov 20
Frequently asked questions
When is the last frost in Spring, TX?
The median last spring frost in Spring, TX is February 19. There is still about a 10% chance of frost after March 15, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Spring, TX?
The median first fall frost is December 3, with about a 10% chance of frost before November 13.
How long is the growing season in Spring, TX?
About 287 days between the median last spring frost and first fall frost.
What planting zone is Spring, TX?
Spring, TX is in USDA hardiness zone 9a.