Frost dates for 63738Brownwood, MO
The average last spring frost in Brownwood is April 7 and the average first fall frost is October 27, giving a typical growing season of about 204 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 7
- Average first fall frost
- Oct 27
- Growing season
- 204 days
Safer after Apr 21 (1-in-10 risk)
Possible by Oct 15 (1-in-10 risk)
Last frost typically in 157 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 17 · May 2 | Oct 5 · Oct 17 · Oct 30 | 183 days | 100% |
| Frost / freeze (32°F) | Mar 22 · Apr 7 · Apr 21 | Oct 15 · Oct 27 · Nov 9 | 204 days | 100% |
| Hard freeze (28°F) | Mar 8 · Mar 27 · Apr 11 | Oct 24 · Nov 7 · Nov 26 | 227 days | 100% |
Planting calendar for Brownwood
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 63738 is matched to the NOAA station Advance 1 S, MO, 3.5 km away, at 360 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Advance 1 S, MO (used) | 360 ft | Apr 7 | Oct 27 |
| Marble Hill, MO | 390 ft | Apr 12 | Oct 23 |
| Wappapello Dam, MO | 410 ft | Apr 2 | Nov 2 |
| Sikeston Pwr Stn, MO | 310 ft | Mar 26 | Nov 6 |
Frost dates near Brownwood
- Advance, MO 63730 · last Apr 7, first Oct 27
- Sturdivant, MO 63782 · last Apr 7, first Oct 27
- Zalma, MO 63787 · last Apr 12, first Oct 23
- Perkins, MO 63774 · last Apr 5, first Oct 25
- Bell City, MO 63735 · last Mar 26, first Nov 6
- Leopold, MO 63760 · last Apr 12, first Oct 23
- Bloomfield, MO 63825 · last Apr 2, first Nov 2
- Gipsy, MO 63750 · last Apr 12, first Oct 23
Frequently asked questions
- When is the last frost in Brownwood, MO?
- For ZIP code 63738, the average last spring frost (32°F) is April 7, based on NOAA 1991-2020 climate normals for the Advance 1 S, MO weather station. There is a 1-in-10 chance of a frost after April 21.
- When is the first frost in Brownwood, MO?
- The average first fall frost (32°F) is October 27. There is a 1-in-10 chance of frost by October 15, so tender plants are at risk from that point on.
- How long is the growing season in 63738?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 204 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.