Frost dates for 79330Justiceburg, TX
The average last spring frost in Justiceburg is March 29 and the average first fall frost is November 10, giving a typical growing season of about 225 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 29
- Average first fall frost
- Nov 10
- Growing season
- 225 days
Safer after Apr 18 (1-in-10 risk)
Possible by Oct 26 (1-in-10 risk)
First frost typically in 15 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) | Mar 22 · Apr 8 · Apr 26 | Oct 18 · Nov 1 · Nov 14 | 204 days | 100% |
| Frost / freeze (32°F) | Mar 7 · Mar 29 · Apr 18 | Oct 26 · Nov 10 · Nov 27 | 225 days | 100% |
| Hard freeze (28°F) | Feb 23 · Mar 13 · Apr 5 | Nov 4 · Nov 19 · Dec 7 | 251 days | 100% |
Planting calendar for Justiceburg
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 26 – May 4 |
| Tomatoes | Transplant outdoors | Apr 14 – Jul 21 |
| Peppers | Start seeds indoors | Feb 26 – Mar 29 |
| Peppers | Transplant outdoors | Apr 28 – May 29 |
| Eggplant | Start seeds indoors | Mar 15 – Apr 13 |
| Eggplant | Transplant outdoors | Apr 28 – May 29 |
| Cucumbers | Sow outdoors | Apr 28 – Jul 31 |
| Summer squash | Sow outdoors | Apr 14 – May 29 |
| Winter squash & pumpkins | Sow outdoors | Apr 28 – May 29 |
| Snap beans | Sow outdoors | Apr 14 – Aug 23 |
| Sweet corn | Sow outdoors | Apr 14 – Jul 21 |
| Watermelon & cantaloupe | Sow outdoors | Apr 28 – May 29 |
| Okra | Sow outdoors | Apr 21 – May 14 |
| Peas | Sow outdoors (spring) | Feb 26 – Apr 13 |
| Potatoes | Plant outdoors (spring) | Feb 26 – Apr 28 |
| Onions | Start seeds indoors (spring) | Jan 15 – Feb 11 |
| Onions | Transplant outdoors (spring) | Mar 15 – Apr 13 |
| Broccoli | Start seeds indoors (spring) | Feb 8 – Mar 14 |
| Broccoli | Transplant outdoors (spring) | Mar 15 – Apr 13 |
| Broccoli | Start seeds indoors (fall) | Jul 11 – Jul 21 |
| Broccoli | Transplant outdoors (fall) | Aug 10 – Aug 21 |
| Cabbage | Start seeds indoors (spring) | Jan 29 – Feb 26 |
| Cabbage | Transplant outdoors (spring) | Feb 26 – Mar 29 |
| Cabbage | Start seeds indoors (fall) | Jul 1 – Jul 31 |
| Cabbage | Transplant outdoors (fall) | Jul 31 – Aug 31 |
| Leaf lettuce | Sow outdoors (spring) | Feb 26 – May 14 |
| Leaf lettuce | Sow outdoors (fall) | Jul 31 – Sep 16 |
| Spinach | Sow outdoors (spring) | Feb 19 – Apr 4 |
| Spinach | Sow outdoors (fall) | Aug 17 – Sep 21 |
| Radishes | Sow outdoors (spring) | Feb 26 – Apr 18 |
| Radishes | Sow outdoors (fall) | Jul 31 – Oct 1 |
| Kale | Sow outdoors (spring) | Mar 15 – Apr 4 |
| Kale | Sow outdoors (fall) | Jul 24 – Aug 31 |
| Carrots | Sow outdoors (spring) | Mar 29 – May 14 |
| Carrots | Sow outdoors (fall) | Jul 1 – Aug 16 |
| Garlic | Plant outdoors (fall) | Oct 31 – Dec 1 |
Where these dates come from
ZIP code 79330 is matched to the NOAA station Lake Alan Henry, TX, 13 km away, at 2,280 ft elevation (33 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Lake Alan Henry, TX (used) | 2,280 ft | Mar 29 | Nov 10 |
| Post, TX | 2,611 ft | Apr 1 | Nov 9 |
| Gail, TX | 2,530 ft | Mar 27 | Nov 8 |
| White River Reservoir, TX | 2,412 ft | Mar 31 | Nov 8 |
Frost dates near Justiceburg
- Fluvanna, TX 79517 · last Mar 27, first Nov 10
- Post, TX 79356 · last Apr 1, first Nov 9
- Gail, TX 79738 · last Mar 27, first Nov 8
- Snyder, TX 79549 · last Mar 27, first Nov 10
- Ira, TX 79527 · last Mar 27, first Nov 10
- Spur, TX 79370 · last Apr 6, first Nov 4
- Girard, TX 79518 · last Apr 1, first Nov 5
- Wilson, TX 79381 · last Apr 2, first Nov 8
Frequently asked questions
- When is the last frost in Justiceburg, TX?
- For ZIP code 79330, the average last spring frost (32°F) is March 29, based on NOAA 1991-2020 climate normals for the Lake Alan Henry, TX weather station. There is a 1-in-10 chance of a frost after April 18.
- When is the first frost in Justiceburg, TX?
- The average first fall frost (32°F) is November 10. There is a 1-in-10 chance of frost by October 26, so tender plants are at risk from that point on.
- How long is the growing season in 79330?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 225 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.