Frost dates for 77512 — Alvin, TX
Last spring frostFeb 14median date
First fall frostDec 5median date
Growing season294 daysfrost-free
Hardiness zone9bZone 9b
How Alvin compares
- In 8 years out of 10, the last spring frost in Alvin falls between January 15 and March 13, a 57-day window. The first fall frost falls between November 14 and January 8.
- The median last frost is 29 days earlier than the Texas median of Mar 15.
- Its 294-day growing season is longer than 95% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 6 days earlier than the zone 9b median of Feb 20. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9b chart.
- The weather station records an average of 10 nights a year at or below 32°F.
- Nearby Pearland, TX, 13 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 15 |
| 50% (median) | February 14 |
| 10% (safe for tender plants) | March 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 14 |
| 50% (median) | December 5 |
| 90% (late) | January 8 |
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 Alvin, TX
Frost dates for 77512 — Alvin, TX — last frost Feb 14, first frost Dec 5, zone 9b. whenisthelastfrost.com
Crop
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Start indoors: Nov 22 to Dec 6Transplant outside: Jan 17 to Jan 31
Start indoors: Dec 6 to Dec 20Transplant outside: Feb 28 to Mar 14
Start indoors: Dec 6 to Dec 20Transplant outside: Feb 28 to Mar 14
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Feb 21 to Mar 7
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 24 to Feb 7Sow outdoors: Jan 17 to Feb 21Plant for fall: Oct 10 to Nov 7
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 17 to Jan 31Sow outdoors: Jan 17 to Jan 31Plant for fall: Sep 26 to Oct 17
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 31 to Feb 14Plant for fall: Aug 29 to Sep 19
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 24 to Feb 7Plant for fall: Aug 29 to Sep 19
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Jan 31 to Feb 14Plant for fall: Aug 29 to Sep 19
Start indoors: Jan 3 to Jan 17Transplant outside: Mar 7 to Mar 21Sow outdoors: Mar 7 to Mar 21
Start indoors: Jan 3 to Jan 17Transplant outside: Feb 21 to Mar 7
Sow outdoors: Jan 3 to Jan 24Plant for fall: Sep 12 to Oct 3
Sow outdoors: Jan 3 to Jan 24Plant for fall: Oct 10 to Oct 31
Sow outdoors: Jan 10 to Feb 21Plant for fall: Oct 24 to Nov 14
Start indoors: Jan 17 to Jan 24Transplant outside: Feb 28 to Mar 7Sow outdoors: Feb 21 to Mar 7Plant for fall: Sep 19 to Oct 3
Start indoors: Jan 17 to Jan 24Sow outdoors: Feb 21 to Mar 7Plant for fall: Sep 26 to Oct 10
Start indoors: Jan 17 to Jan 24Sow outdoors: Feb 21 to Mar 7
Start indoors: Jan 17 to Jan 24Transplant outside: Feb 28 to Mar 14
Sow outdoors: Jan 24 to Feb 21Plant for fall: Sep 12 to Sep 26
Sow outdoors: Jan 24 to Feb 21Plant for fall: Sep 26 to Oct 10
Sow outdoors: Jan 24 to Feb 14
Sow outdoors: Jan 31 to Feb 28Plant for fall: Sep 26 to Oct 10
Sow outdoors: Jan 31 to Feb 21Plant for fall: Oct 10 to Oct 31
Sow outdoors: Feb 21 to Mar 14Plant for fall: Sep 19 to Oct 3
Sow outdoors: Feb 21 to Mar 7
Transplant outside: Feb 28 to Mar 21
Plant for fall: Nov 21 to Dec 26
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Alvin, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 22 – Dec 6 | Jan 17 – Jan 31 | — | — |
| Peppers | Dec 6 – Dec 20 | Feb 28 – Mar 14 | — | — |
| Eggplant | Dec 6 – Dec 20 | Feb 28 – Mar 14 | — | — |
| Tomatoes | Dec 20 – Jan 3 | Feb 21 – Mar 7 | — | — |
| Lettuce | Dec 20 – Jan 3 | Jan 24 – Feb 7 | Jan 17 – Feb 21 | Oct 10 – Nov 7 |
| Kale | Dec 20 – Jan 3 | Jan 17 – Jan 31 | Jan 17 – Jan 31 | Sep 26 – Oct 17 |
| Broccoli | Dec 20 – Jan 3 | Jan 31 – Feb 14 | — | Aug 29 – Sep 19 |
| Cabbage | Dec 20 – Jan 3 | Jan 24 – Feb 7 | — | Aug 29 – Sep 19 |
| Cauliflower | Dec 20 – Jan 3 | Jan 31 – Feb 14 | — | Aug 29 – Sep 19 |
| Okra | Jan 3 – Jan 17 | Mar 7 – Mar 21 | Mar 7 – Mar 21 | — |
| Basil | Jan 3 – Jan 17 | Feb 21 – Mar 7 | — | — |
| Peas | — | — | Jan 3 – Jan 24 | Sep 12 – Oct 3 |
| Spinach | — | — | Jan 3 – Jan 24 | Oct 10 – Oct 31 |
| Radishes | — | — | Jan 10 – Feb 21 | Oct 24 – Nov 14 |
| Cucumbers | Jan 17 – Jan 24 | Feb 28 – Mar 7 | Feb 21 – Mar 7 | Sep 19 – Oct 3 |
| Zucchini & Summer Squash | Jan 17 – Jan 24 | — | Feb 21 – Mar 7 | Sep 26 – Oct 10 |
| Winter Squash & Pumpkins | Jan 17 – Jan 24 | — | Feb 21 – Mar 7 | — |
| Melons & Watermelon | Jan 17 – Jan 24 | Feb 28 – Mar 14 | — | — |
| Carrots | — | — | Jan 24 – Feb 21 | Sep 12 – Sep 26 |
| Beets | — | — | Jan 24 – Feb 21 | Sep 26 – Oct 10 |
| Potatoes | — | — | Jan 24 – Feb 14 | — |
| Swiss Chard | — | — | Jan 31 – Feb 28 | Sep 26 – Oct 10 |
| Cilantro | — | — | Jan 31 – Feb 21 | Oct 10 – Oct 31 |
| Green Beans | — | — | Feb 21 – Mar 14 | Sep 19 – Oct 3 |
| Sweet Corn | — | — | Feb 21 – Mar 7 | — |
| Sweet Potatoes | — | Feb 28 – Mar 21 | — | — |
| Garlic | — | — | — | Nov 21 – Dec 26 |
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 Alvin, TX weather station, 7 km away (elevation 30 ft (9 m)).
ZIP codes in Alvin: 77511 77512
Frost dates near Alvin
- Manvel Jan 31 · Dec 27
- Friendswood Jan 31 · Dec 27
- Pearland Jan 31 · Dec 27
- Santa Fe Jan 31 · Dec 14
- Webster Jan 31 · Dec 27
- Liverpool Feb 14 · Dec 5
- League City Jan 31 · Dec 14
- Rosharon Feb 15 · Dec 6
Frequently asked questions
When is the last frost in Alvin, TX?
The median last spring frost in Alvin, TX is February 14. There is still about a 10% chance of frost after March 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Alvin, TX?
The median first fall frost is December 5, with about a 10% chance of frost before November 14.
How long is the growing season in Alvin, TX?
About 294 days between the median last spring frost and first fall frost.
What planting zone is Alvin, TX?
Alvin, TX is in USDA hardiness zone 9b.