Frost dates for 78618Doss, TX
The average last spring frost in Doss is March 15 and the average first fall frost is November 15, giving a typical growing season of about 243 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 15
- Average first fall frost
- Nov 15
- Growing season
- 243 days
Safer after Apr 12 (1-in-10 risk)
Possible by Oct 27 (1-in-10 risk)
First frost typically in 12 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 7 · Apr 1 · Apr 24 | Oct 20 · Nov 4 · Nov 24 | 218 days | 100% |
| Frost / freeze (32°F) | Feb 24 · Mar 15 · Apr 12 | Oct 27 · Nov 15 · Dec 6 | 243 days | 100% |
| Hard freeze (28°F) | Feb 5 · Mar 2 · Mar 28 | Nov 4 · Nov 29 · Dec 25 | 270 days | 100% |
Planting calendar for Doss
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 12 – Apr 20 |
| Tomatoes | Transplant outdoors | Mar 31 – Jul 26 |
| Peppers | Start seeds indoors | Feb 12 – Mar 15 |
| Peppers | Transplant outdoors | Apr 14 – May 15 |
| Eggplant | Start seeds indoors | Mar 1 – Mar 30 |
| Eggplant | Transplant outdoors | Apr 14 – May 15 |
| Cucumbers | Sow outdoors | Apr 14 – Aug 5 |
| Summer squash | Sow outdoors | Mar 31 – May 15 |
| Winter squash & pumpkins | Sow outdoors | Apr 14 – May 15 |
| Snap beans | Sow outdoors | Mar 31 – Aug 28 |
| Sweet corn | Sow outdoors | Mar 31 – Jul 26 |
| Watermelon & cantaloupe | Sow outdoors | Apr 14 – May 15 |
| Okra | Sow outdoors | Apr 7 – Apr 30 |
| Peas | Sow outdoors (spring) | Feb 12 – Mar 30 |
| Potatoes | Plant outdoors (spring) | Feb 12 – Apr 14 |
| Onions | Start seeds indoors (spring) | Jan 1 – Jan 28 |
| Onions | Transplant outdoors (spring) | Mar 1 – Mar 30 |
| Broccoli | Start seeds indoors (spring) | Jan 25 – Feb 28 |
| Broccoli | Transplant outdoors (spring) | Mar 1 – Mar 30 |
| Broccoli | Start seeds indoors (fall) | Jul 16 – Jul 26 |
| Broccoli | Transplant outdoors (fall) | Aug 15 – Aug 26 |
| Cabbage | Start seeds indoors (spring) | Jan 15 – Feb 12 |
| Cabbage | Transplant outdoors (spring) | Feb 12 – Mar 15 |
| Cabbage | Start seeds indoors (fall) | Jul 6 – Aug 5 |
| Cabbage | Transplant outdoors (fall) | Aug 5 – Sep 5 |
| Leaf lettuce | Sow outdoors (spring) | Feb 12 – Apr 30 |
| Leaf lettuce | Sow outdoors (fall) | Aug 5 – Sep 21 |
| Spinach | Sow outdoors (spring) | Feb 5 – Mar 21 |
| Spinach | Sow outdoors (fall) | Aug 22 – Sep 26 |
| Radishes | Sow outdoors (spring) | Feb 12 – Apr 4 |
| Radishes | Sow outdoors (fall) | Aug 5 – Oct 6 |
| Kale | Sow outdoors (spring) | Mar 1 – Mar 21 |
| Kale | Sow outdoors (fall) | Jul 29 – Sep 5 |
| Carrots | Sow outdoors (spring) | Mar 15 – Apr 30 |
| Carrots | Sow outdoors (fall) | Jul 6 – Aug 21 |
| Garlic | Plant outdoors (fall) | Nov 5 – Dec 6 |
Where these dates come from
ZIP code 78618 is matched to the NOAA station Harper 3Ene, TX, 17.3 km away, at 2,110 ft elevation (125 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Harper 3Ene, TX (used) | 2,110 ft | Mar 15 | Nov 15 |
| Mason, TX | 1,531 ft | Mar 18 | Nov 13 |
| Fredericksburg, TX | 1,685 ft | Mar 18 | Nov 10 |
| Kerrville 3 Nne, TX | 1,797 ft | Mar 27 | Nov 7 |
Frost dates near Doss
- Harper, TX 78631 · last Mar 15, first Nov 15
- Mason, TX 76856 · last Mar 18, first Nov 13
- Castell, TX 76831 · last Mar 20, first Nov 10
- Fredericksburg, TX 78624 · last Mar 18, first Nov 10
- Art, TX 76820 · last Mar 18, first Nov 13
- Mountain Home, TX 78058 · last Apr 3, first Nov 1
- Ingram, TX 78025 · last Mar 27, first Nov 7
- London, TX 76854 · last Mar 25, first Nov 7
Frequently asked questions
- When is the last frost in Doss, TX?
- For ZIP code 78618, the average last spring frost (32°F) is March 15, based on NOAA 1991-2020 climate normals for the Harper 3Ene, TX weather station. There is a 1-in-10 chance of a frost after April 12.
- When is the first frost in Doss, TX?
- The average first fall frost (32°F) is November 15. There is a 1-in-10 chance of frost by October 27, so tender plants are at risk from that point on.
- How long is the growing season in 78618?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 243 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.