Frost dates for 65772Washburn, MO
The average last spring frost in Washburn is April 4 and the average first fall frost is October 30, giving a typical growing season of about 207 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 4
- Average first fall frost
- Oct 30
- Growing season
- 207 days
Safer after Apr 23 (1-in-10 risk)
Possible by Oct 17 (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 16 · May 6 | Oct 7 · Oct 22 · Nov 5 | 186 days | 100% |
| Frost / freeze (32°F) | Mar 18 · Apr 4 · Apr 23 | Oct 17 · Oct 30 · Nov 15 | 207 days | 100% |
| Hard freeze (28°F) | Mar 6 · Mar 25 · Apr 9 | Oct 24 · Nov 8 · Nov 27 | 229 days | 100% |
Planting calendar for Washburn
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 4 – May 10 |
| Tomatoes | Transplant outdoors | Apr 20 – Jul 10 |
| Peppers | Start seeds indoors | Mar 4 – Apr 4 |
| Peppers | Transplant outdoors | May 4 – Jun 4 |
| Eggplant | Start seeds indoors | Mar 21 – Apr 19 |
| Eggplant | Transplant outdoors | May 4 – Jun 4 |
| Cucumbers | Sow outdoors | May 4 – Jul 20 |
| Summer squash | Sow outdoors | Apr 20 – Jun 4 |
| Winter squash & pumpkins | Sow outdoors | May 4 – Jun 4 |
| Snap beans | Sow outdoors | Apr 20 – Aug 12 |
| Sweet corn | Sow outdoors | Apr 20 – Jul 10 |
| Watermelon & cantaloupe | Sow outdoors | May 4 – Jun 4 |
| Okra | Sow outdoors | Apr 27 – May 20 |
| Peas | Sow outdoors (spring) | Mar 4 – Apr 19 |
| Potatoes | Plant outdoors (spring) | Mar 4 – May 4 |
| Onions | Start seeds indoors (spring) | Jan 21 – Feb 17 |
| Onions | Transplant outdoors (spring) | Mar 21 – Apr 19 |
| Broccoli | Start seeds indoors (spring) | Feb 14 – Mar 20 |
| Broccoli | Transplant outdoors (spring) | Mar 21 – Apr 19 |
| Broccoli | Start seeds indoors (fall) | Jun 30 – Jul 10 |
| Broccoli | Transplant outdoors (fall) | Jul 30 – Aug 10 |
| Cabbage | Start seeds indoors (spring) | Feb 4 – Mar 4 |
| Cabbage | Transplant outdoors (spring) | Mar 4 – Apr 4 |
| Cabbage | Start seeds indoors (fall) | Jun 20 – Jul 20 |
| Cabbage | Transplant outdoors (fall) | Jul 20 – Aug 20 |
| Leaf lettuce | Sow outdoors (spring) | Mar 4 – May 20 |
| Leaf lettuce | Sow outdoors (fall) | Jul 20 – Sep 5 |
| Spinach | Sow outdoors (spring) | Feb 25 – Apr 10 |
| Spinach | Sow outdoors (fall) | Aug 6 – Sep 10 |
| Radishes | Sow outdoors (spring) | Mar 4 – Apr 24 |
| Radishes | Sow outdoors (fall) | Jul 20 – Sep 20 |
| Kale | Sow outdoors (spring) | Mar 21 – Apr 10 |
| Kale | Sow outdoors (fall) | Jul 13 – Aug 20 |
| Carrots | Sow outdoors (spring) | Apr 4 – May 20 |
| Carrots | Sow outdoors (fall) | Jun 20 – Aug 5 |
| Garlic | Plant outdoors (fall) | Oct 20 – Nov 20 |
Where these dates come from
ZIP code 65772 is matched to the NOAA station Washburn 5 W, MO, 5.5 km away, at 1,400 ft elevation (24 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Washburn 5 W, MO (used) | 1,400 ft | Apr 4 | Oct 30 |
| Seligman, MO | 1,530 ft | Apr 18 | Oct 22 |
| Cassville, MO | 1,376 ft | Apr 14 | Oct 26 |
| Monett 4Sw, MO | 1,420 ft | Apr 9 | Oct 26 |
Frost dates near Washburn
- Seligman, MO 65745 · last Apr 18, first Oct 22
- Exeter, MO 65647 · last Apr 9, first Oct 26
- Gateway, AR 72733 · last Apr 18, first Oct 22
- Cassville, MO 65625 · last Apr 14, first Oct 26
- Powell, MO 65730 · last Apr 15, first Oct 23
- Garfield, AR 72732 · last Apr 18, first Oct 22
- Pea Ridge, AR 72751 · last Apr 12, first Oct 26
- Rocky Comfort, MO 64861 · last Apr 9, first Oct 26
Frequently asked questions
- When is the last frost in Washburn, MO?
- For ZIP code 65772, the average last spring frost (32°F) is April 4, based on NOAA 1991-2020 climate normals for the Washburn 5 W, MO weather station. There is a 1-in-10 chance of a frost after April 23.
- When is the first frost in Washburn, MO?
- The average first fall frost (32°F) is October 30. There is a 1-in-10 chance of frost by October 17, so tender plants are at risk from that point on.
- How long is the growing season in 65772?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 207 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.