Frost dates for 78058Mountain Home, TX
The average last spring frost in Mountain Home is April 3 and the average first fall frost is November 1, giving a typical growing season of about 211 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 3
- Average first fall frost
- Nov 1
- Growing season
- 211 days
Safer after Apr 21 (1-in-10 risk)
Possible by Oct 19 (1-in-10 risk)
First frost typically in 5 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 31 · Apr 15 · Apr 30 | Oct 10 · Oct 24 · Nov 8 | 191 days | 100% |
| Frost / freeze (32°F) | Mar 12 · Apr 3 · Apr 21 | Oct 19 · Nov 1 · Nov 18 | 211 days | 100% |
| Hard freeze (28°F) | Feb 28 · Mar 19 · Apr 9 | Oct 28 · Nov 12 · Dec 1 | 237 days | 100% |
Planting calendar for Mountain Home
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 | Mar 3 – May 9 |
| Tomatoes | Transplant outdoors | Apr 19 – Jul 12 |
| Peppers | Start seeds indoors | Mar 3 – Apr 3 |
| Peppers | Transplant outdoors | May 3 – Jun 3 |
| Eggplant | Start seeds indoors | Mar 20 – Apr 18 |
| Eggplant | Transplant outdoors | May 3 – Jun 3 |
| Cucumbers | Sow outdoors | May 3 – Jul 22 |
| Summer squash | Sow outdoors | Apr 19 – Jun 3 |
| Winter squash & pumpkins | Sow outdoors | May 3 – Jun 3 |
| Snap beans | Sow outdoors | Apr 19 – Aug 14 |
| Sweet corn | Sow outdoors | Apr 19 – Jul 12 |
| Watermelon & cantaloupe | Sow outdoors | May 3 – Jun 3 |
| Okra | Sow outdoors | Apr 26 – May 19 |
| Peas | Sow outdoors (spring) | Mar 3 – Apr 18 |
| Potatoes | Plant outdoors (spring) | Mar 3 – May 3 |
| Onions | Start seeds indoors (spring) | Jan 20 – Feb 16 |
| Onions | Transplant outdoors (spring) | Mar 20 – Apr 18 |
| Broccoli | Start seeds indoors (spring) | Feb 13 – Mar 19 |
| Broccoli | Transplant outdoors (spring) | Mar 20 – Apr 18 |
| Broccoli | Start seeds indoors (fall) | Jul 2 – Jul 12 |
| Broccoli | Transplant outdoors (fall) | Aug 1 – Aug 12 |
| Cabbage | Start seeds indoors (spring) | Feb 3 – Mar 3 |
| Cabbage | Transplant outdoors (spring) | Mar 3 – Apr 3 |
| Cabbage | Start seeds indoors (fall) | Jun 22 – Jul 22 |
| Cabbage | Transplant outdoors (fall) | Jul 22 – Aug 22 |
| Leaf lettuce | Sow outdoors (spring) | Mar 3 – May 19 |
| Leaf lettuce | Sow outdoors (fall) | Jul 22 – Sep 7 |
| Spinach | Sow outdoors (spring) | Feb 24 – Apr 9 |
| Spinach | Sow outdoors (fall) | Aug 8 – Sep 12 |
| Radishes | Sow outdoors (spring) | Mar 3 – Apr 23 |
| Radishes | Sow outdoors (fall) | Jul 22 – Sep 22 |
| Kale | Sow outdoors (spring) | Mar 20 – Apr 9 |
| Kale | Sow outdoors (fall) | Jul 15 – Aug 22 |
| Carrots | Sow outdoors (spring) | Apr 3 – May 19 |
| Carrots | Sow outdoors (fall) | Jun 22 – Aug 7 |
| Garlic | Plant outdoors (fall) | Oct 22 – Nov 22 |
Where these dates come from
ZIP code 78058 is matched to the NOAA station Hunt 10 W, TX, 12.3 km away, at 2,010 ft elevation (165 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Hunt 10 W, TX (used) | 2,010 ft | Apr 3 | Nov 1 |
| Harper 3Ene, TX | 2,110 ft | Mar 15 | Nov 15 |
| Kerrville 3 Nne, TX | 1,797 ft | Mar 27 | Nov 7 |
| Prade Rch, TX | 2,052 ft | Apr 5 | Nov 2 |
Frost dates near Mountain Home
- Hunt, TX 78024 · last Apr 3, first Nov 1
- Ingram, TX 78025 · last Mar 27, first Nov 7
- Harper, TX 78631 · last Mar 15, first Nov 15
- Kerrville, TX 78028 · last Mar 27, first Nov 7
- Medina, TX 78055 · last Mar 16, first Nov 15
- Junction, TX 76849 · last Mar 25, first Nov 7
- Telegraph, TX 76883 · last Apr 8, first Oct 28
- Doss, TX 78618 · last Mar 15, first Nov 15
Frequently asked questions
- When is the last frost in Mountain Home, TX?
- For ZIP code 78058, the average last spring frost (32°F) is April 3, based on NOAA 1991-2020 climate normals for the Hunt 10 W, TX weather station. There is a 1-in-10 chance of a frost after April 21.
- When is the first frost in Mountain Home, TX?
- The average first fall frost (32°F) is November 1. There is a 1-in-10 chance of frost by October 19, so tender plants are at risk from that point on.
- How long is the growing season in 78058?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 211 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.