Frost dates for 63540Gibbs, MO
The average last spring frost in Gibbs is April 19 and the average first fall frost is October 18, giving a typical growing season of about 180 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 19
- Average first fall frost
- Oct 18
- Growing season
- 180 days
Safer after May 5 (1-in-10 risk)
Possible by Oct 1 (1-in-10 risk)
Last frost typically in 169 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 15 · May 1 · May 16 | Sep 19 · Oct 6 · Oct 20 | 158 days | 100% |
| Frost / freeze (32°F) | Apr 5 · Apr 19 · May 5 | Oct 1 · Oct 18 · Oct 31 | 180 days | 100% |
| Hard freeze (28°F) | Mar 25 · Apr 9 · Apr 25 | Oct 15 · Oct 29 · Nov 9 | 201 days | 100% |
Planting calendar for Gibbs
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 19 – May 25 |
| Tomatoes | Transplant outdoors | May 5 – Jun 28 |
| Peppers | Start seeds indoors | Mar 19 – Apr 19 |
| Peppers | Transplant outdoors | May 19 – Jun 19 |
| Eggplant | Start seeds indoors | Apr 5 – May 4 |
| Eggplant | Transplant outdoors | May 19 – Jun 19 |
| Cucumbers | Sow outdoors | May 19 – Jul 8 |
| Summer squash | Sow outdoors | May 5 – Jun 19 |
| Winter squash & pumpkins | Sow outdoors | May 19 – Jun 19 |
| Snap beans | Sow outdoors | May 5 – Jul 31 |
| Sweet corn | Sow outdoors | May 5 – Jun 28 |
| Watermelon & cantaloupe | Sow outdoors | May 19 – Jun 19 |
| Okra | Sow outdoors | May 12 – Jun 4 |
| Peas | Sow outdoors (spring) | Mar 19 – May 4 |
| Potatoes | Plant outdoors (spring) | Mar 19 – May 19 |
| Onions | Start seeds indoors (spring) | Feb 5 – Mar 4 |
| Onions | Transplant outdoors (spring) | Apr 5 – May 4 |
| Broccoli | Start seeds indoors (spring) | Mar 1 – Apr 4 |
| Broccoli | Transplant outdoors (spring) | Apr 5 – May 4 |
| Broccoli | Start seeds indoors (fall) | Jun 18 – Jun 28 |
| Broccoli | Transplant outdoors (fall) | Jul 18 – Jul 29 |
| Cabbage | Start seeds indoors (spring) | Feb 19 – Mar 19 |
| Cabbage | Transplant outdoors (spring) | Mar 19 – Apr 19 |
| Cabbage | Start seeds indoors (fall) | Jun 8 – Jul 8 |
| Cabbage | Transplant outdoors (fall) | Jul 8 – Aug 8 |
| Leaf lettuce | Sow outdoors (spring) | Mar 19 – Jun 4 |
| Leaf lettuce | Sow outdoors (fall) | Jul 8 – Aug 24 |
| Spinach | Sow outdoors (spring) | Mar 12 – Apr 25 |
| Spinach | Sow outdoors (fall) | Jul 25 – Aug 29 |
| Radishes | Sow outdoors (spring) | Mar 19 – May 9 |
| Radishes | Sow outdoors (fall) | Jul 8 – Sep 8 |
| Kale | Sow outdoors (spring) | Apr 5 – Apr 25 |
| Kale | Sow outdoors (fall) | Jul 1 – Aug 8 |
| Carrots | Sow outdoors (spring) | Apr 19 – Jun 4 |
| Carrots | Sow outdoors (fall) | Jun 8 – Jul 24 |
| Garlic | Plant outdoors (fall) | Oct 8 – Nov 8 |
Where these dates come from
ZIP code 63540 is matched to the NOAA station Kirksville Rgnl Ap, MO, 11.7 km away, at 966 ft elevation (73 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Kirksville Rgnl Ap, MO (used) | 966 ft | Apr 19 | Oct 18 |
| Kirksville, MO | 970 ft | Apr 21 | Oct 19 |
| Long Branch Rsvr, MO | 820 ft | Apr 8 | Oct 28 |
| Memphis, MO | 770 ft | Apr 23 | Oct 17 |
Frost dates near Gibbs
- Brashear, MO 63533 · last Apr 21, first Oct 19
- Hurdland, MO 63547 · last Apr 19, first Oct 18
- La Plata, MO 63549 · last Apr 19, first Oct 18
- Kirksville, MO 63501 · last Apr 21, first Oct 19
- Novelty, MO 63460 · last Apr 17, first Oct 19
- Atlanta, MO 63530 · last Apr 8, first Oct 28
- Baring, MO 63531 · last Apr 23, first Oct 17
- Edina, MO 63537 · last Apr 23, first Oct 17
Frequently asked questions
- When is the last frost in Gibbs, MO?
- For ZIP code 63540, the average last spring frost (32°F) is April 19, based on NOAA 1991-2020 climate normals for the Kirksville Rgnl Ap, MO weather station. There is a 1-in-10 chance of a frost after May 5.
- When is the first frost in Gibbs, MO?
- The average first fall frost (32°F) is October 18. There is a 1-in-10 chance of frost by October 1, so tender plants are at risk from that point on.
- How long is the growing season in 63540?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 180 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.