Frost dates for 64874Wheaton, MO
The average last spring frost in Wheaton is April 9 and the average first fall frost is October 26, giving a typical growing season of about 199 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 9
- Average first fall frost
- Oct 26
- Growing season
- 199 days
Safer after Apr 27 (1-in-10 risk)
Possible by Oct 13 (1-in-10 risk)
First frost typically in 1 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 22 · May 6 | Oct 4 · Oct 18 · Oct 30 | 177 days | 100% |
| Frost / freeze (32°F) | Mar 24 · Apr 9 · Apr 27 | Oct 13 · Oct 26 · Nov 10 | 199 days | 100% |
| Hard freeze (28°F) | Mar 11 · Mar 31 · Apr 14 | Oct 20 · Nov 4 · Nov 20 | 220 days | 100% |
Planting calendar for Wheaton
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 9 – May 15 |
| Tomatoes | Transplant outdoors | Apr 25 – Jul 6 |
| Peppers | Start seeds indoors | Mar 9 – Apr 9 |
| Peppers | Transplant outdoors | May 9 – Jun 9 |
| Eggplant | Start seeds indoors | Mar 26 – Apr 24 |
| Eggplant | Transplant outdoors | May 9 – Jun 9 |
| Cucumbers | Sow outdoors | May 9 – Jul 16 |
| Summer squash | Sow outdoors | Apr 25 – Jun 9 |
| Winter squash & pumpkins | Sow outdoors | May 9 – Jun 9 |
| Snap beans | Sow outdoors | Apr 25 – Aug 8 |
| Sweet corn | Sow outdoors | Apr 25 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | May 9 – Jun 9 |
| Okra | Sow outdoors | May 2 – May 25 |
| Peas | Sow outdoors (spring) | Mar 9 – Apr 24 |
| Potatoes | Plant outdoors (spring) | Mar 9 – May 9 |
| Onions | Start seeds indoors (spring) | Jan 26 – Feb 22 |
| Onions | Transplant outdoors (spring) | Mar 26 – Apr 24 |
| Broccoli | Start seeds indoors (spring) | Feb 19 – Mar 25 |
| Broccoli | Transplant outdoors (spring) | Mar 26 – Apr 24 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Feb 9 – Mar 9 |
| Cabbage | Transplant outdoors (spring) | Mar 9 – Apr 9 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Mar 9 – May 25 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Mar 2 – Apr 15 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Mar 9 – Apr 29 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Mar 26 – Apr 15 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | Apr 9 – May 25 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 64874 is matched to the NOAA station Monett 4Sw, MO, 13.2 km away, at 1,420 ft elevation (16 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Monett 4Sw, MO (used) | 1,420 ft | Apr 9 | Oct 26 |
| Cassville, MO | 1,376 ft | Apr 14 | Oct 26 |
| Washburn 5 W, MO | 1,400 ft | Apr 4 | Oct 30 |
| Seligman, MO | 1,530 ft | Apr 18 | Oct 22 |
Frost dates near Wheaton
- Rocky Comfort, MO 64861 · last Apr 9, first Oct 26
- Fairview, MO 64842 · last Apr 9, first Oct 26
- Exeter, MO 65647 · last Apr 9, first Oct 26
- Purdy, MO 65734 · last Apr 9, first Oct 26
- Butterfield, MO 65623 · last Apr 9, first Oct 26
- Stella, MO 64867 · last Apr 7, first Oct 31
- Stark City, MO 64866 · last Apr 9, first Oct 26
- Newtonia, MO 64853 · last Apr 7, first Oct 31
Frequently asked questions
- When is the last frost in Wheaton, MO?
- For ZIP code 64874, the average last spring frost (32°F) is April 9, based on NOAA 1991-2020 climate normals for the Monett 4Sw, MO weather station. There is a 1-in-10 chance of a frost after April 27.
- When is the first frost in Wheaton, MO?
- The average first fall frost (32°F) is October 26. 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 64874?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 199 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.