Frost dates for 65443Brinktown, MO
The average last spring frost in Brinktown is April 8 and the average first fall frost is October 26, giving a typical growing season of about 200 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 8
- Average first fall frost
- Oct 26
- Growing season
- 200 days
Safer after Apr 27 (1-in-10 risk)
Possible by Oct 12 (1-in-10 risk)
Last frost typically in 156 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 2 · Apr 21 · May 7 | Oct 1 · Oct 16 · Oct 28 | 176 days | 100% |
| Frost / freeze (32°F) | Mar 21 · Apr 8 · Apr 27 | Oct 12 · Oct 26 · Nov 8 | 200 days | 100% |
| Hard freeze (28°F) | Mar 10 · Mar 28 · Apr 13 | Oct 23 · Nov 5 · Nov 24 | 223 days | 100% |
Planting calendar for Brinktown
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 8 – May 14 |
| Tomatoes | Transplant outdoors | Apr 24 – Jul 6 |
| Peppers | Start seeds indoors | Mar 8 – Apr 8 |
| Peppers | Transplant outdoors | May 8 – Jun 8 |
| Eggplant | Start seeds indoors | Mar 25 – Apr 23 |
| Eggplant | Transplant outdoors | May 8 – Jun 8 |
| Cucumbers | Sow outdoors | May 8 – Jul 16 |
| Summer squash | Sow outdoors | Apr 24 – Jun 8 |
| Winter squash & pumpkins | Sow outdoors | May 8 – Jun 8 |
| Snap beans | Sow outdoors | Apr 24 – Aug 8 |
| Sweet corn | Sow outdoors | Apr 24 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | May 8 – Jun 8 |
| Okra | Sow outdoors | May 1 – May 24 |
| Peas | Sow outdoors (spring) | Mar 8 – Apr 23 |
| Potatoes | Plant outdoors (spring) | Mar 8 – May 8 |
| Onions | Start seeds indoors (spring) | Jan 25 – Feb 21 |
| Onions | Transplant outdoors (spring) | Mar 25 – Apr 23 |
| Broccoli | Start seeds indoors (spring) | Feb 18 – Mar 24 |
| Broccoli | Transplant outdoors (spring) | Mar 25 – Apr 23 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Feb 8 – Mar 8 |
| Cabbage | Transplant outdoors (spring) | Mar 8 – Apr 8 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Mar 8 – May 24 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Mar 1 – Apr 14 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Mar 8 – Apr 28 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Mar 25 – Apr 14 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | Apr 8 – May 24 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 65443 is matched to the NOAA station Vienna 2 Wnw, MO, 12.1 km away, at 770 ft elevation (152 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Vienna 2 Wnw, MO (used) | 770 ft | Apr 8 | Oct 26 |
| Iberia, MO | 938 ft | Apr 8 | Oct 28 |
| Vichy Rolla National Ap, MO | 1,127 ft | Apr 12 | Oct 25 |
| Rolla Missouri S&T, MO | 1,173 ft | Apr 5 | Nov 1 |
Frost dates near Brinktown
- Meta, MO 65058 · last Apr 8, first Oct 26
- Vienna, MO 65582 · last Apr 8, first Oct 26
- Iberia, MO 65486 · last Apr 8, first Oct 28
- Dixon, MO 65459 · last Apr 5, first Nov 1
- Argyle, MO 65001 · last Apr 8, first Oct 26
- Saint Elizabeth, MO 65075 · last Apr 8, first Oct 26
- Koeltztown, MO 65048 · last Apr 8, first Oct 26
- Jerome, MO 65529 · last Apr 8, first Oct 26
Frequently asked questions
- When is the last frost in Brinktown, MO?
- For ZIP code 65443, the average last spring frost (32°F) is April 8, based on NOAA 1991-2020 climate normals for the Vienna 2 Wnw, MO weather station. There is a 1-in-10 chance of a frost after April 27.
- When is the first frost in Brinktown, MO?
- The average first fall frost (32°F) is October 26. There is a 1-in-10 chance of frost by October 12, so tender plants are at risk from that point on.
- How long is the growing season in 65443?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 200 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.