Frost dates for 78654Marble Falls, TX
The average last spring frost in Marble Falls is March 6 and the average first fall frost is November 23, giving a typical growing season of about 262 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 6
- Average first fall frost
- Nov 23
- Growing season
- 262 days
Safer after Mar 28 (1-in-10 risk)
Possible by Nov 5 (1-in-10 risk)
First frost typically in 22 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Feb 28 · Mar 19 · Apr 10 | Oct 30 · Nov 12 · Dec 1 | 239 days | 100% |
| Frost / freeze (32°F) | Feb 13 · Mar 6 · Mar 28 | Nov 5 · Nov 23 · Dec 12 | 262 days | 100% |
| Hard freeze (28°F) | Jan 21 · Feb 21 · Mar 13 | Nov 15 · Dec 6 · Jan 3 | 291 days | 100% |
Planting calendar for Marble Falls
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 3 – Apr 11 |
| Tomatoes | Transplant outdoors | Mar 22 – Aug 3 |
| Peppers | Start seeds indoors | Feb 3 – Mar 6 |
| Peppers | Transplant outdoors | Apr 5 – May 6 |
| Eggplant | Start seeds indoors | Feb 20 – Mar 21 |
| Eggplant | Transplant outdoors | Apr 5 – May 6 |
| Cucumbers | Sow outdoors | Apr 5 – Aug 13 |
| Summer squash | Sow outdoors | Mar 22 – May 6 |
| Winter squash & pumpkins | Sow outdoors | Apr 5 – May 6 |
| Snap beans | Sow outdoors | Mar 22 – Sep 5 |
| Sweet corn | Sow outdoors | Mar 22 – Aug 3 |
| Watermelon & cantaloupe | Sow outdoors | Apr 5 – May 6 |
| Okra | Sow outdoors | Mar 29 – Apr 21 |
| Peas | Sow outdoors (spring) | Feb 3 – Mar 21 |
| Potatoes | Plant outdoors (spring) | Feb 3 – Apr 5 |
| Onions | Start seeds indoors (spring) | Dec 23 – Jan 19 |
| Onions | Transplant outdoors (spring) | Feb 20 – Mar 21 |
| Broccoli | Start seeds indoors (spring) | Jan 16 – Feb 19 |
| Broccoli | Transplant outdoors (spring) | Feb 20 – Mar 21 |
| Broccoli | Start seeds indoors (fall) | Jul 24 – Aug 3 |
| Broccoli | Transplant outdoors (fall) | Aug 23 – Sep 3 |
| Cabbage | Start seeds indoors (spring) | Jan 6 – Feb 3 |
| Cabbage | Transplant outdoors (spring) | Feb 3 – Mar 6 |
| Cabbage | Start seeds indoors (fall) | Jul 14 – Aug 13 |
| Cabbage | Transplant outdoors (fall) | Aug 13 – Sep 13 |
| Leaf lettuce | Sow outdoors (spring) | Feb 3 – Apr 21 |
| Leaf lettuce | Sow outdoors (fall) | Aug 13 – Sep 29 |
| Spinach | Sow outdoors (spring) | Jan 27 – Mar 12 |
| Spinach | Sow outdoors (fall) | Aug 30 – Oct 4 |
| Radishes | Sow outdoors (spring) | Feb 3 – Mar 26 |
| Radishes | Sow outdoors (fall) | Aug 13 – Oct 14 |
| Kale | Sow outdoors (spring) | Feb 20 – Mar 12 |
| Kale | Sow outdoors (fall) | Aug 6 – Sep 13 |
| Carrots | Sow outdoors (spring) | Mar 6 – Apr 21 |
| Carrots | Sow outdoors (fall) | Jul 14 – Aug 29 |
| Garlic | Plant outdoors (fall) | Nov 13 – Dec 14 |
Where these dates come from
ZIP code 78654 is matched to the NOAA station Burnet Muni Ap, TX, 18.4 km away, at 1,288 ft elevation (481 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Burnet Muni Ap, TX (used) | 1,288 ft | Mar 6 | Nov 23 |
| Austin 33 Nw, TX | 1,361 ft | Mar 2 | Nov 29 |
| Burnet, TX | 1,285 ft | Mar 15 | Nov 11 |
| Johnson City 2N, TX | 1,137 ft | Mar 22 | Nov 9 |
Frost dates near Marble Falls
- Horseshoe Bay, TX 78657 · last Mar 22, first Nov 9
- Kingsland, TX 78639 · last Mar 20, first Nov 10
- Round Mountain, TX 78663 · last Mar 22, first Nov 9
- Burnet, TX 78611 · last Mar 15, first Nov 11
- Buchanan Dam, TX 78609 · last Mar 20, first Nov 10
- Bertram, TX 78605 · last Mar 15, first Nov 11
- Spicewood, TX 78669 · last Mar 17, first Nov 13
- Johnson City, TX 78636 · last Mar 22, first Nov 9
Frequently asked questions
- When is the last frost in Marble Falls, TX?
- For ZIP code 78654, the average last spring frost (32°F) is March 6, based on NOAA 1991-2020 climate normals for the Burnet Muni Ap, TX weather station. There is a 1-in-10 chance of a frost after March 28.
- When is the first frost in Marble Falls, TX?
- The average first fall frost (32°F) is November 23. There is a 1-in-10 chance of frost by November 5, so tender plants are at risk from that point on.
- How long is the growing season in 78654?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 262 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.