Frost dates for 64642Gilman City, MO
The average last spring frost in Gilman City is April 20 and the average first fall frost is October 16, giving a typical growing season of about 177 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 20
- Average first fall frost
- Oct 16
- Growing season
- 177 days
Safer after May 5 (1-in-10 risk)
Possible by Sep 30 (1-in-10 risk)
Last frost typically in 170 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 17 · Apr 30 · May 15 | Sep 19 · Oct 6 · Oct 20 | 157 days | 100% |
| Frost / freeze (32°F) | Apr 7 · Apr 20 · May 5 | Sep 30 · Oct 16 · Oct 29 | 177 days | 100% |
| Hard freeze (28°F) | Mar 27 · Apr 10 · Apr 25 | Oct 12 · Oct 27 · Nov 9 | 199 days | 100% |
Planting calendar for Gilman City
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 20 – May 26 |
| Tomatoes | Transplant outdoors | May 6 – Jun 26 |
| Peppers | Start seeds indoors | Mar 20 – Apr 20 |
| Peppers | Transplant outdoors | May 20 – Jun 20 |
| Eggplant | Start seeds indoors | Apr 6 – May 5 |
| Eggplant | Transplant outdoors | May 20 – Jun 20 |
| Cucumbers | Sow outdoors | May 20 – Jul 6 |
| Summer squash | Sow outdoors | May 6 – Jun 20 |
| Winter squash & pumpkins | Sow outdoors | May 20 – Jun 20 |
| Snap beans | Sow outdoors | May 6 – Jul 29 |
| Sweet corn | Sow outdoors | May 6 – Jun 26 |
| Watermelon & cantaloupe | Sow outdoors | May 20 – Jun 20 |
| Okra | Sow outdoors | May 13 – Jun 5 |
| Peas | Sow outdoors (spring) | Mar 20 – May 5 |
| Potatoes | Plant outdoors (spring) | Mar 20 – May 20 |
| Onions | Start seeds indoors (spring) | Feb 6 – Mar 5 |
| Onions | Transplant outdoors (spring) | Apr 6 – May 5 |
| Broccoli | Start seeds indoors (spring) | Mar 2 – Apr 5 |
| Broccoli | Transplant outdoors (spring) | Apr 6 – May 5 |
| Broccoli | Start seeds indoors (fall) | Jun 16 – Jun 26 |
| Broccoli | Transplant outdoors (fall) | Jul 16 – Jul 27 |
| Cabbage | Start seeds indoors (spring) | Feb 20 – Mar 20 |
| Cabbage | Transplant outdoors (spring) | Mar 20 – Apr 20 |
| Cabbage | Start seeds indoors (fall) | Jun 6 – Jul 6 |
| Cabbage | Transplant outdoors (fall) | Jul 6 – Aug 6 |
| Leaf lettuce | Sow outdoors (spring) | Mar 20 – Jun 5 |
| Leaf lettuce | Sow outdoors (fall) | Jul 6 – Aug 22 |
| Spinach | Sow outdoors (spring) | Mar 13 – Apr 26 |
| Spinach | Sow outdoors (fall) | Jul 23 – Aug 27 |
| Radishes | Sow outdoors (spring) | Mar 20 – May 10 |
| Radishes | Sow outdoors (fall) | Jul 6 – Sep 6 |
| Kale | Sow outdoors (spring) | Apr 6 – Apr 26 |
| Kale | Sow outdoors (fall) | Jun 29 – Aug 6 |
| Carrots | Sow outdoors (spring) | Apr 20 – Jun 5 |
| Carrots | Sow outdoors (fall) | Jun 6 – Jul 22 |
| Garlic | Plant outdoors (fall) | Oct 6 – Nov 6 |
Where these dates come from
ZIP code 64642 is matched to the NOAA station Spickard 7 W, MO, 15.1 km away, at 875 ft elevation (53 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Spickard 7 W, MO (used) | 875 ft | Apr 20 | Oct 16 |
| Trenton, MO | 837 ft | Apr 16 | Oct 20 |
| Bethany, MO | 949 ft | Apr 16 | Oct 22 |
| Gallatin 1W, MO | 921 ft | Apr 19 | Oct 21 |
Frost dates near Gilman City
- Coffey, MO 64636 · last Apr 16, first Oct 22
- Jamesport, MO 64648 · last Apr 19, first Oct 21
- Jameson, MO 64647 · last Apr 19, first Oct 21
- Trenton, MO 64683 · last Apr 16, first Oct 20
- Bethany, MO 64424 · last Apr 16, first Oct 22
- Spickard, MO 64679 · last Apr 20, first Oct 16
- Pattonsburg, MO 64670 · last Apr 19, first Oct 21
- Gallatin, MO 64640 · last Apr 19, first Oct 21
Frequently asked questions
- When is the last frost in Gilman City, MO?
- For ZIP code 64642, the average last spring frost (32°F) is April 20, based on NOAA 1991-2020 climate normals for the Spickard 7 W, MO weather station. There is a 1-in-10 chance of a frost after May 5.
- When is the first frost in Gilman City, MO?
- The average first fall frost (32°F) is October 16. There is a 1-in-10 chance of frost by September 30, so tender plants are at risk from that point on.
- How long is the growing season in 64642?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 177 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.