Frost dates for 67351Liberty, KS
The average last spring frost in Liberty is April 6 and the average first fall frost is October 29, giving a typical growing season of about 204 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 6
- Average first fall frost
- Oct 29
- Growing season
- 204 days
Safer after Apr 24 (1-in-10 risk)
Possible by Oct 13 (1-in-10 risk)
First frost typically in 2 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 18 · May 3 | Oct 4 · Oct 19 · Nov 1 | 183 days | 100% |
| Frost / freeze (32°F) | Mar 22 · Apr 6 · Apr 24 | Oct 13 · Oct 29 · Nov 10 | 204 days | 100% |
| Hard freeze (28°F) | Mar 9 · Mar 27 · Apr 11 | Oct 23 · Nov 6 · Nov 23 | 224 days | 100% |
Planting calendar for Liberty
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 6 – May 12 |
| Tomatoes | Transplant outdoors | Apr 22 – Jul 9 |
| Peppers | Start seeds indoors | Mar 6 – Apr 6 |
| Peppers | Transplant outdoors | May 6 – Jun 6 |
| Eggplant | Start seeds indoors | Mar 23 – Apr 21 |
| Eggplant | Transplant outdoors | May 6 – Jun 6 |
| Cucumbers | Sow outdoors | May 6 – Jul 19 |
| Summer squash | Sow outdoors | Apr 22 – Jun 6 |
| Winter squash & pumpkins | Sow outdoors | May 6 – Jun 6 |
| Snap beans | Sow outdoors | Apr 22 – Aug 11 |
| Sweet corn | Sow outdoors | Apr 22 – Jul 9 |
| Watermelon & cantaloupe | Sow outdoors | May 6 – Jun 6 |
| Okra | Sow outdoors | Apr 29 – May 22 |
| Peas | Sow outdoors (spring) | Mar 6 – Apr 21 |
| Potatoes | Plant outdoors (spring) | Mar 6 – May 6 |
| Onions | Start seeds indoors (spring) | Jan 23 – Feb 19 |
| Onions | Transplant outdoors (spring) | Mar 23 – Apr 21 |
| Broccoli | Start seeds indoors (spring) | Feb 16 – Mar 22 |
| Broccoli | Transplant outdoors (spring) | Mar 23 – Apr 21 |
| Broccoli | Start seeds indoors (fall) | Jun 29 – Jul 9 |
| Broccoli | Transplant outdoors (fall) | Jul 29 – Aug 9 |
| Cabbage | Start seeds indoors (spring) | Feb 6 – Mar 6 |
| Cabbage | Transplant outdoors (spring) | Mar 6 – Apr 6 |
| Cabbage | Start seeds indoors (fall) | Jun 19 – Jul 19 |
| Cabbage | Transplant outdoors (fall) | Jul 19 – Aug 19 |
| Leaf lettuce | Sow outdoors (spring) | Mar 6 – May 22 |
| Leaf lettuce | Sow outdoors (fall) | Jul 19 – Sep 4 |
| Spinach | Sow outdoors (spring) | Feb 27 – Apr 12 |
| Spinach | Sow outdoors (fall) | Aug 5 – Sep 9 |
| Radishes | Sow outdoors (spring) | Mar 6 – Apr 26 |
| Radishes | Sow outdoors (fall) | Jul 19 – Sep 19 |
| Kale | Sow outdoors (spring) | Mar 23 – Apr 12 |
| Kale | Sow outdoors (fall) | Jul 12 – Aug 19 |
| Carrots | Sow outdoors (spring) | Apr 6 – May 22 |
| Carrots | Sow outdoors (fall) | Jun 19 – Aug 4 |
| Garlic | Plant outdoors (fall) | Oct 19 – Nov 19 |
Where these dates come from
ZIP code 67351 is matched to the NOAA station Coffeyville Muni Ap, KS, 8 km away, at 752 ft elevation (22 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Coffeyville Muni Ap, KS (used) | 752 ft | Apr 6 | Oct 29 |
| Coffeyville Wtr Wks, KS | 737 ft | Apr 6 | Nov 1 |
| Independence, KS | 805 ft | Apr 5 | Oct 31 |
| Mound Valley 3 Wsw, KS | 800 ft | Apr 15 | Oct 24 |
Frost dates near Liberty
- Cherryvale, KS 67335 · last Apr 10, first Oct 26
- Independence, KS 67301 · last Apr 5, first Oct 31
- Coffeyville, KS 67337 · last Apr 6, first Nov 1
- Dearing, KS 67340 · last Apr 6, first Nov 1
- Mound Valley, KS 67354 · last Apr 15, first Oct 24
- S Coffeyville, OK 74072 · last Apr 6, first Nov 1
- Sycamore, KS 67363 · last Apr 5, first Oct 31
- Tyro, KS 67364 · last Apr 6, first Nov 1
Frequently asked questions
- When is the last frost in Liberty, KS?
- For ZIP code 67351, the average last spring frost (32°F) is April 6, based on NOAA 1991-2020 climate normals for the Coffeyville Muni Ap, KS weather station. There is a 1-in-10 chance of a frost after April 24.
- When is the first frost in Liberty, KS?
- The average first fall frost (32°F) is October 29. There is a 1-in-10 chance of frost by October 13, so tender plants are at risk from that point on.
- How long is the growing season in 67351?
- 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.