Frost dates for 78943Glidden, TX
The average last spring frost in Glidden is March 9 and the average first fall frost is November 20, giving a typical growing season of about 255 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 9
- Average first fall frost
- Nov 20
- Growing season
- 255 days
Safer after Mar 31 (1-in-10 risk)
Possible by Nov 1 (1-in-10 risk)
First frost typically in 25 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 23 · Apr 13 | Oct 21 · Nov 9 · Dec 2 | 231 days | 100% |
| Frost / freeze (32°F) | Feb 13 · Mar 9 · Mar 31 | Nov 1 · Nov 20 · Dec 13 | 255 days | 100% |
| Hard freeze (28°F) | Jan 22 · Feb 25 · Mar 19 | Nov 6 · Dec 3 · Jan 4 | 284 days | 99% |
Planting calendar for Glidden
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 6 – Apr 14 |
| Tomatoes | Transplant outdoors | Mar 25 – Jul 31 |
| Peppers | Start seeds indoors | Feb 6 – Mar 9 |
| Peppers | Transplant outdoors | Apr 8 – May 9 |
| Eggplant | Start seeds indoors | Feb 23 – Mar 24 |
| Eggplant | Transplant outdoors | Apr 8 – May 9 |
| Cucumbers | Sow outdoors | Apr 8 – Aug 10 |
| Summer squash | Sow outdoors | Mar 25 – May 9 |
| Winter squash & pumpkins | Sow outdoors | Apr 8 – May 9 |
| Snap beans | Sow outdoors | Mar 25 – Sep 2 |
| Sweet corn | Sow outdoors | Mar 25 – Jul 31 |
| Watermelon & cantaloupe | Sow outdoors | Apr 8 – May 9 |
| Okra | Sow outdoors | Apr 1 – Apr 24 |
| Peas | Sow outdoors (spring) | Feb 6 – Mar 24 |
| Potatoes | Plant outdoors (spring) | Feb 6 – Apr 8 |
| Onions | Start seeds indoors (spring) | Dec 26 – Jan 22 |
| Onions | Transplant outdoors (spring) | Feb 23 – Mar 24 |
| Broccoli | Start seeds indoors (spring) | Jan 19 – Feb 22 |
| Broccoli | Transplant outdoors (spring) | Feb 23 – Mar 24 |
| Broccoli | Start seeds indoors (fall) | Jul 21 – Jul 31 |
| Broccoli | Transplant outdoors (fall) | Aug 20 – Aug 31 |
| Cabbage | Start seeds indoors (spring) | Jan 9 – Feb 6 |
| Cabbage | Transplant outdoors (spring) | Feb 6 – Mar 9 |
| Cabbage | Start seeds indoors (fall) | Jul 11 – Aug 10 |
| Cabbage | Transplant outdoors (fall) | Aug 10 – Sep 10 |
| Leaf lettuce | Sow outdoors (spring) | Feb 6 – Apr 24 |
| Leaf lettuce | Sow outdoors (fall) | Aug 10 – Sep 26 |
| Spinach | Sow outdoors (spring) | Jan 30 – Mar 15 |
| Spinach | Sow outdoors (fall) | Aug 27 – Oct 1 |
| Radishes | Sow outdoors (spring) | Feb 6 – Mar 29 |
| Radishes | Sow outdoors (fall) | Aug 10 – Oct 11 |
| Kale | Sow outdoors (spring) | Feb 23 – Mar 15 |
| Kale | Sow outdoors (fall) | Aug 3 – Sep 10 |
| Carrots | Sow outdoors (spring) | Mar 9 – Apr 24 |
| Carrots | Sow outdoors (fall) | Jul 11 – Aug 26 |
| Garlic | Plant outdoors (fall) | Nov 10 – Dec 11 |
Where these dates come from
ZIP code 78943 is matched to the NOAA station Columbus, TX, 2 km away, at 225 ft elevation (21 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Columbus, TX (used) | 225 ft | Mar 9 | Nov 20 |
| Eagle Lake Resch Ctr, TX | 176 ft | Feb 21 | Dec 1 |
| La Grange, TX | 357 ft | Mar 4 | Nov 25 |
| Hallettsville 2 N, TX | 275 ft | Feb 17 | Dec 4 |
Frost dates near Glidden
- Columbus, TX 78934 · last Mar 9, first Nov 20
- Alleyton, TX 78935 · last Mar 9, first Nov 20
- Weimar, TX 78962 · last Mar 9, first Nov 20
- Rock Island, TX 77470 · last Mar 9, first Nov 20
- Ellinger, TX 78938 · last Mar 4, first Nov 25
- Altair, TX 77412 · last Mar 9, first Nov 20
- Cat Spring, TX 78933 · last Mar 9, first Nov 20
- Fayetteville, TX 78940 · last Mar 4, first Nov 25
Frequently asked questions
- When is the last frost in Glidden, TX?
- For ZIP code 78943, the average last spring frost (32°F) is March 9, based on NOAA 1991-2020 climate normals for the Columbus, TX weather station. There is a 1-in-10 chance of a frost after March 31.
- When is the first frost in Glidden, TX?
- The average first fall frost (32°F) is November 20. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
- How long is the growing season in 78943?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 255 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.