Frost dates for 64790Walker, MO
The average last spring frost in Walker is April 7 and the average first fall frost is October 27, giving a typical growing season of about 202 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 7
- Average first fall frost
- Oct 27
- Growing season
- 202 days
Safer after Apr 24 (1-in-10 risk)
Possible by Oct 13 (1-in-10 risk)
First frost typically in 0 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) | Apr 3 · Apr 20 · May 5 | Oct 2 · Oct 18 · Oct 31 | 180 days | 100% |
| Frost / freeze (32°F) | Mar 22 · Apr 7 · Apr 24 | Oct 13 · Oct 27 · Nov 10 | 202 days | 100% |
| Hard freeze (28°F) | Mar 10 · Mar 29 · Apr 12 | Oct 22 · Nov 5 · Nov 24 | 224 days | 100% |
Planting calendar for Walker
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 7 – May 13 |
| Tomatoes | Transplant outdoors | Apr 23 – Jul 7 |
| Peppers | Start seeds indoors | Mar 7 – Apr 7 |
| Peppers | Transplant outdoors | May 7 – Jun 7 |
| Eggplant | Start seeds indoors | Mar 24 – Apr 22 |
| Eggplant | Transplant outdoors | May 7 – Jun 7 |
| Cucumbers | Sow outdoors | May 7 – Jul 17 |
| Summer squash | Sow outdoors | Apr 23 – Jun 7 |
| Winter squash & pumpkins | Sow outdoors | May 7 – Jun 7 |
| Snap beans | Sow outdoors | Apr 23 – Aug 9 |
| Sweet corn | Sow outdoors | Apr 23 – Jul 7 |
| Watermelon & cantaloupe | Sow outdoors | May 7 – Jun 7 |
| Okra | Sow outdoors | Apr 30 – May 23 |
| Peas | Sow outdoors (spring) | Mar 7 – Apr 22 |
| Potatoes | Plant outdoors (spring) | Mar 7 – May 7 |
| Onions | Start seeds indoors (spring) | Jan 24 – Feb 20 |
| Onions | Transplant outdoors (spring) | Mar 24 – Apr 22 |
| Broccoli | Start seeds indoors (spring) | Feb 17 – Mar 23 |
| Broccoli | Transplant outdoors (spring) | Mar 24 – Apr 22 |
| Broccoli | Start seeds indoors (fall) | Jun 27 – Jul 7 |
| Broccoli | Transplant outdoors (fall) | Jul 27 – Aug 7 |
| Cabbage | Start seeds indoors (spring) | Feb 7 – Mar 7 |
| Cabbage | Transplant outdoors (spring) | Mar 7 – Apr 7 |
| Cabbage | Start seeds indoors (fall) | Jun 17 – Jul 17 |
| Cabbage | Transplant outdoors (fall) | Jul 17 – Aug 17 |
| Leaf lettuce | Sow outdoors (spring) | Mar 7 – May 23 |
| Leaf lettuce | Sow outdoors (fall) | Jul 17 – Sep 2 |
| Spinach | Sow outdoors (spring) | Feb 28 – Apr 13 |
| Spinach | Sow outdoors (fall) | Aug 3 – Sep 7 |
| Radishes | Sow outdoors (spring) | Mar 7 – Apr 27 |
| Radishes | Sow outdoors (fall) | Jul 17 – Sep 17 |
| Kale | Sow outdoors (spring) | Mar 24 – Apr 13 |
| Kale | Sow outdoors (fall) | Jul 10 – Aug 17 |
| Carrots | Sow outdoors (spring) | Apr 7 – May 23 |
| Carrots | Sow outdoors (fall) | Jun 17 – Aug 2 |
| Garlic | Plant outdoors (fall) | Oct 17 – Nov 17 |
Where these dates come from
ZIP code 64790 is matched to the NOAA station Nevada Wtp, MO, 14 km away, at 871 ft elevation (34 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Nevada Wtp, MO (used) | 871 ft | Apr 7 | Oct 27 |
| Eldorado Springs, MO | 915 ft | Apr 8 | Oct 29 |
| Lamar 7N, MO | 963 ft | Apr 9 | Oct 27 |
| Appleton City, MO | 866 ft | Apr 7 | Oct 29 |
Frost dates near Walker
- Harwood, MO 64750 · last Apr 8, first Oct 29
- Nevada, MO 64772 · last Apr 7, first Oct 27
- Schell City, MO 64783 · last Apr 8, first Oct 29
- Milo, MO 64767 · last Apr 7, first Oct 27
- El Dorado Springs, MO 64744 · last Apr 8, first Oct 29
- Metz, MO 64765 · last Apr 7, first Oct 27
- Rockville, MO 64780 · last Apr 7, first Oct 29
- Sheldon, MO 64784 · last Apr 9, first Oct 27
Frequently asked questions
- When is the last frost in Walker, MO?
- For ZIP code 64790, the average last spring frost (32°F) is April 7, based on NOAA 1991-2020 climate normals for the Nevada Wtp, MO weather station. There is a 1-in-10 chance of a frost after April 24.
- When is the first frost in Walker, MO?
- The average first fall frost (32°F) is October 27. There is a 1-in-10 chance of frost by October 13, so tender plants are at risk from that point on.
- How long is the growing season in 64790?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 202 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.