Bertram, TX frost dates
Last spring frostMar 2median date
First fall frostNov 29median date
Growing season272 daysfrost-free
Hardiness zone8bZone 8b
How Bertram compares
- In 8 years out of 10, the last spring frost in Bertram falls between February 6 and March 20, a 42-day window. The first fall frost falls between November 10 and December 19.
- The median last frost is 13 days earlier than the Texas median of Mar 15.
- Its 272-day growing season is longer than 82% of the 1,316 Texas places with a regular frost season (state median 245 days).
- The last frost is 14 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 20 nights a year at or below 32°F.
- Compared with Leander, TX, 27 km away, the last frost here is 9 days earlier than there and the growing season is 18 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 6 |
| 50% (median) | March 2 |
| 10% (safe for tender plants) | March 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 10 |
| 50% (median) | November 29 |
| 90% (late) | December 19 |
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 Bertram, TX
Bertram, TX frost dates — last frost Mar 2, first frost Nov 29, zone 8b. whenisthelastfrost.com
Crop
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Start indoors: Dec 8 to Dec 22Transplant outside: Feb 2 to Feb 16
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Mar 16 to Mar 30
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Mar 16 to Mar 30
Start indoors: Jan 5 to Jan 19Transplant outside: Mar 9 to Mar 23
Start indoors: Jan 5 to Jan 19Transplant outside: Feb 9 to Feb 23Sow outdoors: Feb 2 to Mar 9Plant for fall: Oct 4 to Nov 1
Start indoors: Jan 5 to Jan 19Transplant outside: Feb 2 to Feb 16Sow outdoors: Feb 2 to Feb 16Plant for fall: Sep 20 to Oct 11
Start indoors: Jan 5 to Jan 19Transplant outside: Feb 16 to Mar 2Plant for fall: Aug 23 to Sep 13
Start indoors: Jan 5 to Jan 19Transplant outside: Feb 9 to Feb 23Plant for fall: Aug 23 to Sep 13
Start indoors: Jan 5 to Jan 19Transplant outside: Feb 16 to Mar 2Plant for fall: Aug 23 to Sep 13
Start indoors: Jan 19 to Feb 2Transplant outside: Mar 23 to Apr 6Sow outdoors: Mar 23 to Apr 6
Start indoors: Jan 19 to Feb 2Transplant outside: Mar 9 to Mar 23
Sow outdoors: Jan 19 to Feb 9Plant for fall: Sep 6 to Sep 27
Sow outdoors: Jan 19 to Feb 9Plant for fall: Oct 4 to Oct 25
Sow outdoors: Jan 26 to Mar 9Plant for fall: Oct 18 to Nov 8
Start indoors: Feb 2 to Feb 9Transplant outside: Mar 16 to Mar 23Sow outdoors: Mar 9 to Mar 23Plant for fall: Sep 13 to Sep 27
Start indoors: Feb 2 to Feb 9Sow outdoors: Mar 9 to Mar 23Plant for fall: Sep 20 to Oct 4
Start indoors: Feb 2 to Feb 9Sow outdoors: Mar 9 to Mar 23
Start indoors: Feb 2 to Feb 9Transplant outside: Mar 16 to Mar 30
Sow outdoors: Feb 9 to Mar 9Plant for fall: Sep 6 to Sep 20
Sow outdoors: Feb 9 to Mar 9Plant for fall: Sep 20 to Oct 4
Sow outdoors: Feb 9 to Mar 2
Sow outdoors: Feb 16 to Mar 16Plant for fall: Sep 20 to Oct 4
Sow outdoors: Feb 16 to Mar 9Plant for fall: Oct 4 to Oct 25
Sow outdoors: Mar 9 to Mar 30Plant for fall: Sep 13 to Sep 27
Sow outdoors: Mar 9 to Mar 23
Transplant outside: Mar 16 to Apr 6
Plant for fall: Nov 15 to Dec 20
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Bertram, TX
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 8 – Dec 22 | Feb 2 – Feb 16 | — | — |
| Peppers | Dec 22 – Jan 5 | Mar 16 – Mar 30 | — | — |
| Eggplant | Dec 22 – Jan 5 | Mar 16 – Mar 30 | — | — |
| Tomatoes | Jan 5 – Jan 19 | Mar 9 – Mar 23 | — | — |
| Lettuce | Jan 5 – Jan 19 | Feb 9 – Feb 23 | Feb 2 – Mar 9 | Oct 4 – Nov 1 |
| Kale | Jan 5 – Jan 19 | Feb 2 – Feb 16 | Feb 2 – Feb 16 | Sep 20 – Oct 11 |
| Broccoli | Jan 5 – Jan 19 | Feb 16 – Mar 2 | — | Aug 23 – Sep 13 |
| Cabbage | Jan 5 – Jan 19 | Feb 9 – Feb 23 | — | Aug 23 – Sep 13 |
| Cauliflower | Jan 5 – Jan 19 | Feb 16 – Mar 2 | — | Aug 23 – Sep 13 |
| Okra | Jan 19 – Feb 2 | Mar 23 – Apr 6 | Mar 23 – Apr 6 | — |
| Basil | Jan 19 – Feb 2 | Mar 9 – Mar 23 | — | — |
| Peas | — | — | Jan 19 – Feb 9 | Sep 6 – Sep 27 |
| Spinach | — | — | Jan 19 – Feb 9 | Oct 4 – Oct 25 |
| Radishes | — | — | Jan 26 – Mar 9 | Oct 18 – Nov 8 |
| Cucumbers | Feb 2 – Feb 9 | Mar 16 – Mar 23 | Mar 9 – Mar 23 | Sep 13 – Sep 27 |
| Zucchini & Summer Squash | Feb 2 – Feb 9 | — | Mar 9 – Mar 23 | Sep 20 – Oct 4 |
| Winter Squash & Pumpkins | Feb 2 – Feb 9 | — | Mar 9 – Mar 23 | — |
| Melons & Watermelon | Feb 2 – Feb 9 | Mar 16 – Mar 30 | — | — |
| Carrots | — | — | Feb 9 – Mar 9 | Sep 6 – Sep 20 |
| Beets | — | — | Feb 9 – Mar 9 | Sep 20 – Oct 4 |
| Potatoes | — | — | Feb 9 – Mar 2 | — |
| Swiss Chard | — | — | Feb 16 – Mar 16 | Sep 20 – Oct 4 |
| Cilantro | — | — | Feb 16 – Mar 9 | Oct 4 – Oct 25 |
| Green Beans | — | — | Mar 9 – Mar 30 | Sep 13 – Sep 27 |
| Sweet Corn | — | — | Mar 9 – Mar 23 | — |
| Sweet Potatoes | — | Mar 16 – Apr 6 | — | — |
| Garlic | — | — | — | Nov 15 – Dec 20 |
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 Austin 33 Nw, TX weather station, 14 km away (elevation 1,362 ft (415 m)).
Frost dates near Bertram
- Liberty Hill Mar 2 · Nov 29
- Burnet Mar 15 · Nov 11
- Briggs Mar 22 · Nov 12
- Florence Mar 6 · Nov 24
- Leander Mar 11 · Nov 20
- Marble Falls Mar 6 · Nov 23
- Georgetown Mar 6 · Nov 24
- Cedar Park Mar 11 · Nov 20
- Buchanan Dam Mar 6 · Nov 23
- Horseshoe Bay Mar 6 · Nov 23
Frequently asked questions
When is the last frost in Bertram, TX?
The median last spring frost in Bertram, TX is March 2. There is still about a 10% chance of frost after March 20, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Bertram, TX?
The median first fall frost is November 29, with about a 10% chance of frost before November 10.
How long is the growing season in Bertram, TX?
About 272 days between the median last spring frost and first fall frost.
What planting zone is Bertram, TX?
Bertram, TX is in USDA hardiness zone 8b.