Frost dates for 67651Natoma, KS
The average last spring frost in Natoma is April 23 and the average first fall frost is October 20, giving a typical growing season of about 178 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 23
- Average first fall frost
- Oct 20
- Growing season
- 178 days
Safer after May 6 (1-in-10 risk)
Possible by Oct 3 (1-in-10 risk)
Last frost typically in 173 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 19 · May 3 · May 14 | Sep 27 · Oct 10 · Oct 23 | 160 days | 100% |
| Frost / freeze (32°F) | Apr 7 · Apr 23 · May 6 | Oct 3 · Oct 20 · Nov 1 | 178 days | 100% |
| Hard freeze (28°F) | Mar 27 · Apr 12 · Apr 30 | Oct 13 · Oct 29 · Nov 12 | 197 days | 100% |
Planting calendar for Natoma
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 23 – May 29 |
| Tomatoes | Transplant outdoors | May 9 – Jun 30 |
| Peppers | Start seeds indoors | Mar 23 – Apr 23 |
| Peppers | Transplant outdoors | May 23 – Jun 23 |
| Eggplant | Start seeds indoors | Apr 9 – May 8 |
| Eggplant | Transplant outdoors | May 23 – Jun 23 |
| Cucumbers | Sow outdoors | May 23 – Jul 10 |
| Summer squash | Sow outdoors | May 9 – Jun 23 |
| Winter squash & pumpkins | Sow outdoors | May 23 – Jun 23 |
| Snap beans | Sow outdoors | May 9 – Aug 2 |
| Sweet corn | Sow outdoors | May 9 – Jun 30 |
| Watermelon & cantaloupe | Sow outdoors | May 23 – Jun 23 |
| Okra | Sow outdoors | May 16 – Jun 8 |
| Peas | Sow outdoors (spring) | Mar 23 – May 8 |
| Potatoes | Plant outdoors (spring) | Mar 23 – May 23 |
| Onions | Start seeds indoors (spring) | Feb 9 – Mar 8 |
| Onions | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (spring) | Mar 5 – Apr 8 |
| Broccoli | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (fall) | Jun 20 – Jun 30 |
| Broccoli | Transplant outdoors (fall) | Jul 20 – Jul 31 |
| Cabbage | Start seeds indoors (spring) | Feb 23 – Mar 23 |
| Cabbage | Transplant outdoors (spring) | Mar 23 – Apr 23 |
| Cabbage | Start seeds indoors (fall) | Jun 10 – Jul 10 |
| Cabbage | Transplant outdoors (fall) | Jul 10 – Aug 10 |
| Leaf lettuce | Sow outdoors (spring) | Mar 23 – Jun 8 |
| Leaf lettuce | Sow outdoors (fall) | Jul 10 – Aug 26 |
| Spinach | Sow outdoors (spring) | Mar 16 – Apr 29 |
| Spinach | Sow outdoors (fall) | Jul 27 – Aug 31 |
| Radishes | Sow outdoors (spring) | Mar 23 – May 13 |
| Radishes | Sow outdoors (fall) | Jul 10 – Sep 10 |
| Kale | Sow outdoors (spring) | Apr 9 – Apr 29 |
| Kale | Sow outdoors (fall) | Jul 3 – Aug 10 |
| Carrots | Sow outdoors (spring) | Apr 23 – Jun 8 |
| Carrots | Sow outdoors (fall) | Jun 10 – Jul 26 |
| Garlic | Plant outdoors (fall) | Oct 10 – Nov 10 |
Where these dates come from
ZIP code 67651 is matched to the NOAA station Plainville 4Wnw, KS, 34.6 km away, at 2,194 ft elevation (199 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Plainville 4Wnw, KS (used) | 2,194 ft | Apr 23 | Oct 20 |
| Alton 1 W, KS | 1,685 ft | Apr 29 | Oct 12 |
| Russell Muni Ap, KS | 1,864 ft | Apr 22 | Oct 17 |
| Webster Dam, KS | 1,863 ft | Apr 30 | Oct 12 |
Frost dates near Natoma
- Paradise, KS 67658 · last Apr 22, first Oct 17
- Waldo, KS 67673 · last Apr 22, first Oct 17
- Plainville, KS 67663 · last Apr 23, first Oct 20
- Luray, KS 67649 · last Apr 21, first Oct 17
- Alton, KS 67623 · last Apr 29, first Oct 12
- Woodston, KS 67675 · last Apr 29, first Oct 12
- Osborne, KS 67473 · last Apr 29, first Oct 12
- Catharine, KS 67627 · last Apr 25, first Oct 15
Frequently asked questions
- When is the last frost in Natoma, KS?
- For ZIP code 67651, the average last spring frost (32°F) is April 23, based on NOAA 1991-2020 climate normals for the Plainville 4Wnw, KS weather station. There is a 1-in-10 chance of a frost after May 6.
- When is the first frost in Natoma, KS?
- The average first fall frost (32°F) is October 20. There is a 1-in-10 chance of frost by October 3, so tender plants are at risk from that point on.
- How long is the growing season in 67651?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 178 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.