Frost dates for 64781Roscoe, MO
The average last spring frost in Roscoe is April 16 and the average first fall frost is October 24, giving a typical growing season of about 189 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 16
- Average first fall frost
- Oct 24
- Growing season
- 189 days
Safer after May 3 (1-in-10 risk)
Possible by Oct 10 (1-in-10 risk)
Last frost typically in 171 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 11 · Apr 27 · May 11 | Sep 29 · Oct 13 · Oct 25 | 169 days | 100% |
| Frost / freeze (32°F) | Mar 31 · Apr 16 · May 3 | Oct 10 · Oct 24 · Nov 3 | 189 days | 100% |
| Hard freeze (28°F) | Mar 18 · Apr 4 · Apr 21 | Oct 19 · Nov 1 · Nov 15 | 209 days | 100% |
Planting calendar for Roscoe
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 16 – May 22 |
| Tomatoes | Transplant outdoors | May 2 – Jul 4 |
| Peppers | Start seeds indoors | Mar 16 – Apr 16 |
| Peppers | Transplant outdoors | May 16 – Jun 16 |
| Eggplant | Start seeds indoors | Apr 2 – May 1 |
| Eggplant | Transplant outdoors | May 16 – Jun 16 |
| Cucumbers | Sow outdoors | May 16 – Jul 14 |
| Summer squash | Sow outdoors | May 2 – Jun 16 |
| Winter squash & pumpkins | Sow outdoors | May 16 – Jun 16 |
| Snap beans | Sow outdoors | May 2 – Aug 6 |
| Sweet corn | Sow outdoors | May 2 – Jul 4 |
| Watermelon & cantaloupe | Sow outdoors | May 16 – Jun 16 |
| Okra | Sow outdoors | May 9 – Jun 1 |
| Peas | Sow outdoors (spring) | Mar 16 – May 1 |
| Potatoes | Plant outdoors (spring) | Mar 16 – May 16 |
| Onions | Start seeds indoors (spring) | Feb 2 – Mar 1 |
| Onions | Transplant outdoors (spring) | Apr 2 – May 1 |
| Broccoli | Start seeds indoors (spring) | Feb 26 – Apr 1 |
| Broccoli | Transplant outdoors (spring) | Apr 2 – May 1 |
| Broccoli | Start seeds indoors (fall) | Jun 24 – Jul 4 |
| Broccoli | Transplant outdoors (fall) | Jul 24 – Aug 4 |
| Cabbage | Start seeds indoors (spring) | Feb 16 – Mar 16 |
| Cabbage | Transplant outdoors (spring) | Mar 16 – Apr 16 |
| Cabbage | Start seeds indoors (fall) | Jun 14 – Jul 14 |
| Cabbage | Transplant outdoors (fall) | Jul 14 – Aug 14 |
| Leaf lettuce | Sow outdoors (spring) | Mar 16 – Jun 1 |
| Leaf lettuce | Sow outdoors (fall) | Jul 14 – Aug 30 |
| Spinach | Sow outdoors (spring) | Mar 9 – Apr 22 |
| Spinach | Sow outdoors (fall) | Jul 31 – Sep 4 |
| Radishes | Sow outdoors (spring) | Mar 16 – May 6 |
| Radishes | Sow outdoors (fall) | Jul 14 – Sep 14 |
| Kale | Sow outdoors (spring) | Apr 2 – Apr 22 |
| Kale | Sow outdoors (fall) | Jul 7 – Aug 14 |
| Carrots | Sow outdoors (spring) | Apr 16 – Jun 1 |
| Carrots | Sow outdoors (fall) | Jun 14 – Jul 30 |
| Garlic | Plant outdoors (fall) | Oct 14 – Nov 14 |
Where these dates come from
ZIP code 64781 is matched to the NOAA station Osceola, MO, 12.7 km away, at 744 ft elevation (14 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Osceola, MO (used) | 744 ft | Apr 16 | Oct 24 |
| Eldorado Springs, MO | 915 ft | Apr 8 | Oct 29 |
| Appleton City, MO | 866 ft | Apr 7 | Oct 29 |
| Stockton Dam, MO | 922 ft | Apr 6 | Oct 30 |
Frost dates near Roscoe
- Osceola, MO 64776 · last Apr 16, first Oct 24
- Collins, MO 64738 · last Apr 6, first Oct 30
- Caplinger Mills, MO 65607 · last Apr 6, first Oct 30
- Lowry City, MO 64763 · last Apr 16, first Oct 24
- El Dorado Springs, MO 64744 · last Apr 8, first Oct 29
- Weaubleau, MO 65774 · last Apr 7, first Oct 28
- Stockton, MO 65785 · last Apr 6, first Oct 30
- Humansville, MO 65674 · last Apr 6, first Oct 30
Frequently asked questions
- When is the last frost in Roscoe, MO?
- For ZIP code 64781, the average last spring frost (32°F) is April 16, based on NOAA 1991-2020 climate normals for the Osceola, MO weather station. There is a 1-in-10 chance of a frost after May 3.
- When is the first frost in Roscoe, MO?
- The average first fall frost (32°F) is October 24. There is a 1-in-10 chance of frost by October 10, so tender plants are at risk from that point on.
- How long is the growing season in 64781?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 189 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.