Frost Dates for Austin, TX 78745
Last spring frost February 28 · First fall frost November 24 · 269 frost-free days · USDA Zone 9a
Frost probability for 78745
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 29 | February 28 | January 30 |
| Fall (first frost) | November 5 | November 24 | December 13 |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (38.9 km away); the 50% date is the median year.
Frost dates by ZIP code in Austin, TX
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 78745 | February 28 | November 24 | 9a |
| 78753 | February 24 | November 28 | 9a |
| 78748 | February 28 | November 24 | 9a |
| 78744 | February 28 | November 24 | 9a |
| 78704 | February 24 | November 28 | 9a |
| 78758 | February 24 | November 28 | 9a |
| 78741 | February 24 | November 28 | 9a |
| 78759 | February 24 | November 28 | 9a |
| 78723 | February 24 | November 28 | 9a |
| 78717 | February 24 | November 28 | 9a |
| 78749 | February 28 | November 24 | 9a |
| 78705 | February 24 | November 28 | 9a |
| 78754 | February 24 | November 28 | 9a |
| 78724 | February 24 | November 28 | 9a |
| 78738 | February 28 | November 24 | 9a |
| 78729 | February 24 | November 28 | 9a |
| 78727 | February 24 | November 28 | 9a |
| 78750 | February 24 | November 28 | 9a |
| 78746 | February 24 | November 28 | 9a |
| 78731 | February 24 | November 28 | 9a |
| 78737 | February 24 | December 1 | 8b |
| 78728 | February 24 | November 28 | 9a |
| 78702 | February 24 | November 28 | 9a |
| 78757 | February 24 | November 28 | 9a |
| 78703 | February 24 | November 28 | 9a |
| 78752 | February 24 | November 28 | 9a |
| 78747 | February 28 | November 24 | 9a |
| 78734 | March 20 | November 12 | 9a |
| 78732 | February 28 | November 24 | 9a |
| 78735 | February 24 | November 28 | 9a |
| 78739 | February 24 | December 1 | 9a |
| 78751 | February 24 | November 28 | 9a |
| 78726 | February 24 | November 28 | 9a |
| 78701 | February 24 | November 28 | 9a |
| 78721 | February 24 | November 28 | 9a |
| 78725 | February 24 | November 28 | 8b |
| 78736 | February 24 | December 1 | 9a |
| 78756 | February 24 | November 28 | 9a |
| 78730 | February 24 | November 28 | 9a |
| 78733 | February 24 | November 28 | 9a |
| 78722 | February 24 | November 28 | 9a |
| 78719 | February 24 | November 28 | 9a |
| 78742 | February 24 | November 28 | 9a |
| 78712 | February 24 | November 28 | 9a |
Month by month in Austin
| Month | What to do |
|---|---|
| January | Start herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable. |
| February | Last frost around February 28. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings. |
| March | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| April | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| May | Harvest regularly to encourage production. Monitor for pests and disease. |
| June | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| July | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| August | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| September | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| October | First fall frost approaching (around November 24). Transplant fall brassicas. Sow spinach, arugula, and radishes. |
| November | First frost around November 24. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season. |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
What grows in a 269-day season
Frequently Asked Questions
What is the last frost date for Austin, TX (ZIP 78745)?
The median last spring frost date for Austin, TX (ZIP code 78745) is around February 28. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.
What is the first fall frost date in Austin, TX?
The median first fall frost date for Austin, TX is around November 24. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.
How long is the growing season in Austin, TX?
The frost-free growing season in Austin is about 269 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.
What USDA hardiness zone is Austin, TX?
Based on frost date patterns, Austin falls approximately in 9a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.
When should I start tomatoes indoors in Austin, TX?
Start tomato seeds indoors 6–8 weeks before your last frost date (around February 28). For Austin, that's roughly January 3 to January 17. Transplant outdoors 1–2 weeks after your last frost.
Nearby and related
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